/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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:56:24,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:56:24,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:56:24,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:56:24,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:56:24,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:56:24,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:56:24,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:56:24,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:56:24,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:56:24,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:56:24,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:56:24,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:56:24,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:56:24,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:56:24,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:56:24,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:56:24,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:56:24,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:56:24,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:56:24,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:56:24,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:56:24,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:56:24,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:56:24,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:56:24,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:56:24,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:56:24,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:56:24,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:56:24,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:56:24,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:56:24,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:56:24,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:56:24,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:56:24,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:56:24,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:56:24,948 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:56:25,005 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:56:25,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:56:25,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:56:25,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:56:25,009 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:56:25,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:56:25,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:56:25,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:56:25,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:56:25,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:56:25,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:56:25,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:56:25,012 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:56:25,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:56:25,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:56:25,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:56:25,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:56:25,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:25,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:56:25,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:56:25,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:56:25,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:56:25,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:56:25,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:56:25,014 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:56:25,015 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:56:25,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:56:25,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:56:25,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:56:25,523 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:56:25,524 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:56:25,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2020-12-22 06:56:25,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e1a9408/c1a16703a1ac4a2d83fcbe3de128a97a/FLAG3dc301048 [2020-12-22 06:56:26,339 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:56:26,340 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2020-12-22 06:56:26,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e1a9408/c1a16703a1ac4a2d83fcbe3de128a97a/FLAG3dc301048 [2020-12-22 06:56:26,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e1a9408/c1a16703a1ac4a2d83fcbe3de128a97a [2020-12-22 06:56:26,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:56:26,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:56:26,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:26,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:56:26,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:56:26,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:26" (1/1) ... [2020-12-22 06:56:26,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@351b9361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:26, skipping insertion in model container [2020-12-22 06:56:26,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:26" (1/1) ... [2020-12-22 06:56:26,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:56:26,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:56:26,978 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_product23.cil.c[1281,1294] [2020-12-22 06:56:27,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:27,236 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:56:27,253 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_product23.cil.c[1281,1294] [2020-12-22 06:56:27,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:27,357 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:56:27,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27 WrapperNode [2020-12-22 06:56:27,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:27,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:27,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:56:27,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:56:27,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (1/1) ... [2020-12-22 06:56:27,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (1/1) ... [2020-12-22 06:56:27,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:27,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:56:27,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:56:27,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:56:27,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (1/1) ... [2020-12-22 06:56:27,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (1/1) ... [2020-12-22 06:56:27,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (1/1) ... [2020-12-22 06:56:27,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (1/1) ... [2020-12-22 06:56:27,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (1/1) ... [2020-12-22 06:56:27,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (1/1) ... [2020-12-22 06:56:27,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (1/1) ... [2020-12-22 06:56:27,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:56:27,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:56:27,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:56:27,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:56:27,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (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 06:56:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:56:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:56:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:56:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:56:28,780 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:56:28,781 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2020-12-22 06:56:28,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:28 BoogieIcfgContainer [2020-12-22 06:56:28,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:56:28,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:56:28,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:56:28,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:56:28,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:56:26" (1/3) ... [2020-12-22 06:56:28,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a815ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:28, skipping insertion in model container [2020-12-22 06:56:28,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:27" (2/3) ... [2020-12-22 06:56:28,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a815ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:28, skipping insertion in model container [2020-12-22 06:56:28,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:28" (3/3) ... [2020-12-22 06:56:28,794 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product23.cil.c [2020-12-22 06:56:28,802 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:56:28,808 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:56:28,833 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:56:28,864 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:56:28,865 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:56:28,865 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:56:28,865 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:56:28,865 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:56:28,865 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:56:28,866 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:56:28,866 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:56:28,897 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2020-12-22 06:56:28,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:56:28,905 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:28,906 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:28,906 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:28,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:28,913 INFO L82 PathProgramCache]: Analyzing trace with hash 872829117, now seen corresponding path program 1 times [2020-12-22 06:56:28,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:28,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034301663] [2020-12-22 06:56:28,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:29,223 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 06:56:29,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034301663] [2020-12-22 06:56:29,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:29,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:29,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143051750] [2020-12-22 06:56:29,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:56:29,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:29,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:56:29,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:29,251 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2020-12-22 06:56:29,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:29,287 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2020-12-22 06:56:29,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:56:29,289 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:56:29,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:29,301 INFO L225 Difference]: With dead ends: 208 [2020-12-22 06:56:29,302 INFO L226 Difference]: Without dead ends: 103 [2020-12-22 06:56:29,306 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 06:56:29,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-12-22 06:56:29,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-12-22 06:56:29,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-12-22 06:56:29,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2020-12-22 06:56:29,377 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2020-12-22 06:56:29,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:29,378 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2020-12-22 06:56:29,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:56:29,378 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2020-12-22 06:56:29,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:56:29,380 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:29,380 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 06:56:29,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:56:29,381 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:29,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:29,382 INFO L82 PathProgramCache]: Analyzing trace with hash -340316278, now seen corresponding path program 1 times [2020-12-22 06:56:29,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:29,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413235435] [2020-12-22 06:56:29,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:29,501 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 06:56:29,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413235435] [2020-12-22 06:56:29,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:29,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:29,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746714285] [2020-12-22 06:56:29,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:29,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:29,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:29,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:29,511 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2020-12-22 06:56:29,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:29,540 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2020-12-22 06:56:29,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:29,541 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:56:29,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:29,544 INFO L225 Difference]: With dead ends: 103 [2020-12-22 06:56:29,544 INFO L226 Difference]: Without dead ends: 45 [2020-12-22 06:56:29,548 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 06:56:29,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-12-22 06:56:29,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-12-22 06:56:29,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-22 06:56:29,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-12-22 06:56:29,561 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2020-12-22 06:56:29,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:29,562 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-12-22 06:56:29,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:29,562 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-12-22 06:56:29,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:56:29,564 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:29,565 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 06:56:29,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:56:29,565 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:29,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:29,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2020-12-22 06:56:29,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:29,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199750194] [2020-12-22 06:56:29,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:29,743 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 06:56:29,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199750194] [2020-12-22 06:56:29,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:29,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:29,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755860573] [2020-12-22 06:56:29,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:29,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:29,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:29,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:29,746 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2020-12-22 06:56:29,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:29,785 INFO L93 Difference]: Finished difference Result 123 states and 180 transitions. [2020-12-22 06:56:29,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:29,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-22 06:56:29,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:29,791 INFO L225 Difference]: With dead ends: 123 [2020-12-22 06:56:29,791 INFO L226 Difference]: Without dead ends: 84 [2020-12-22 06:56:29,792 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 06:56:29,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-12-22 06:56:29,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2020-12-22 06:56:29,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-12-22 06:56:29,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2020-12-22 06:56:29,804 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 22 [2020-12-22 06:56:29,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:29,804 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2020-12-22 06:56:29,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:29,804 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2020-12-22 06:56:29,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:56:29,806 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:29,806 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 06:56:29,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:56:29,807 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:29,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:29,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2020-12-22 06:56:29,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:29,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911707689] [2020-12-22 06:56:29,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:29,883 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 06:56:29,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911707689] [2020-12-22 06:56:29,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:29,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:29,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214175876] [2020-12-22 06:56:29,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:56:29,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:29,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:56:29,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:56:29,886 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand 6 states. [2020-12-22 06:56:30,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:30,234 INFO L93 Difference]: Finished difference Result 516 states and 785 transitions. [2020-12-22 06:56:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:56:30,235 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-12-22 06:56:30,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:30,241 INFO L225 Difference]: With dead ends: 516 [2020-12-22 06:56:30,241 INFO L226 Difference]: Without dead ends: 442 [2020-12-22 06:56:30,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:56:30,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-12-22 06:56:30,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 146. [2020-12-22 06:56:30,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-12-22 06:56:30,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 215 transitions. [2020-12-22 06:56:30,293 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 215 transitions. Word has length 24 [2020-12-22 06:56:30,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:30,293 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 215 transitions. [2020-12-22 06:56:30,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:56:30,293 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 215 transitions. [2020-12-22 06:56:30,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:56:30,297 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:30,297 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] [2020-12-22 06:56:30,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:56:30,298 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:30,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:30,299 INFO L82 PathProgramCache]: Analyzing trace with hash 576039046, now seen corresponding path program 1 times [2020-12-22 06:56:30,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:30,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430268857] [2020-12-22 06:56:30,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:30,392 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 06:56:30,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430268857] [2020-12-22 06:56:30,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:30,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:30,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309862833] [2020-12-22 06:56:30,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:30,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:30,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:30,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:30,395 INFO L87 Difference]: Start difference. First operand 146 states and 215 transitions. Second operand 5 states. [2020-12-22 06:56:30,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:30,496 INFO L93 Difference]: Finished difference Result 356 states and 543 transitions. [2020-12-22 06:56:30,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:30,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:56:30,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:30,500 INFO L225 Difference]: With dead ends: 356 [2020-12-22 06:56:30,500 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:56:30,503 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 06:56:30,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:56:30,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:56:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:56:30,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:56:30,504 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-12-22 06:56:30,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:30,504 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:56:30,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:30,505 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:56:30,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:56:30,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:56:30,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:56:30,865 INFO L189 CegarLoopUtils]: For program point L927(lines 927 934) no Hoare annotation was computed. [2020-12-22 06:56:30,866 INFO L192 CegarLoopUtils]: At program point L927-1(lines 927 934) the Hoare annotation is: true [2020-12-22 06:56:30,866 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:56:30,866 INFO L189 CegarLoopUtils]: For program point L565(lines 564 611) no Hoare annotation was computed. [2020-12-22 06:56:30,866 INFO L185 CegarLoopUtils]: At program point L499(lines 494 502) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,866 INFO L185 CegarLoopUtils]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2020-12-22 06:56:30,866 INFO L185 CegarLoopUtils]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2020-12-22 06:56:30,867 INFO L189 CegarLoopUtils]: For program point L665(lines 665 682) no Hoare annotation was computed. [2020-12-22 06:56:30,867 INFO L189 CegarLoopUtils]: For program point L665-1(lines 665 682) no Hoare annotation was computed. [2020-12-22 06:56:30,867 INFO L189 CegarLoopUtils]: For program point L665-2(lines 665 682) no Hoare annotation was computed. [2020-12-22 06:56:30,867 INFO L189 CegarLoopUtils]: For program point L566(lines 566 570) no Hoare annotation was computed. [2020-12-22 06:56:30,867 INFO L189 CegarLoopUtils]: For program point L665-3(lines 665 682) no Hoare annotation was computed. [2020-12-22 06:56:30,867 INFO L189 CegarLoopUtils]: For program point L665-4(lines 665 682) no Hoare annotation was computed. [2020-12-22 06:56:30,868 INFO L189 CegarLoopUtils]: For program point L665-5(lines 665 682) no Hoare annotation was computed. [2020-12-22 06:56:30,868 INFO L185 CegarLoopUtils]: At program point L467(lines 462 470) the Hoare annotation is: false [2020-12-22 06:56:30,868 INFO L185 CegarLoopUtils]: At program point L467-1(lines 462 470) the Hoare annotation is: false [2020-12-22 06:56:30,868 INFO L185 CegarLoopUtils]: At program point L467-2(lines 462 470) the Hoare annotation is: false [2020-12-22 06:56:30,868 INFO L189 CegarLoopUtils]: For program point L831(lines 831 837) no Hoare annotation was computed. [2020-12-22 06:56:30,868 INFO L189 CegarLoopUtils]: For program point L831-2(lines 831 837) no Hoare annotation was computed. [2020-12-22 06:56:30,868 INFO L189 CegarLoopUtils]: For program point L831-4(lines 831 837) no Hoare annotation was computed. [2020-12-22 06:56:30,869 INFO L185 CegarLoopUtils]: At program point L633(lines 632 651) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,869 INFO L189 CegarLoopUtils]: For program point L600(lines 600 606) no Hoare annotation was computed. [2020-12-22 06:56:30,869 INFO L189 CegarLoopUtils]: For program point L633-1(lines 633 639) no Hoare annotation was computed. [2020-12-22 06:56:30,869 INFO L185 CegarLoopUtils]: At program point L600-1(lines 633 639) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,869 INFO L185 CegarLoopUtils]: At program point L633-2(lines 632 651) the Hoare annotation is: false [2020-12-22 06:56:30,869 INFO L185 CegarLoopUtils]: At program point L633-3(lines 632 651) the Hoare annotation is: false [2020-12-22 06:56:30,870 INFO L185 CegarLoopUtils]: At program point L799(lines 784 802) the Hoare annotation is: false [2020-12-22 06:56:30,870 INFO L185 CegarLoopUtils]: At program point L799-1(lines 784 802) the Hoare annotation is: false [2020-12-22 06:56:30,870 INFO L185 CegarLoopUtils]: At program point L799-2(lines 784 802) the Hoare annotation is: false [2020-12-22 06:56:30,870 INFO L185 CegarLoopUtils]: At program point L799-3(lines 784 802) the Hoare annotation is: false [2020-12-22 06:56:30,870 INFO L185 CegarLoopUtils]: At program point L799-4(lines 784 802) the Hoare annotation is: false [2020-12-22 06:56:30,870 INFO L185 CegarLoopUtils]: At program point L799-5(lines 784 802) the Hoare annotation is: false [2020-12-22 06:56:30,871 INFO L185 CegarLoopUtils]: At program point L735(lines 728 738) the Hoare annotation is: false [2020-12-22 06:56:30,871 INFO L185 CegarLoopUtils]: At program point L735-1(lines 728 738) the Hoare annotation is: false [2020-12-22 06:56:30,871 INFO L189 CegarLoopUtils]: For program point L669(lines 669 677) no Hoare annotation was computed. [2020-12-22 06:56:30,871 INFO L185 CegarLoopUtils]: At program point L735-2(lines 728 738) the Hoare annotation is: false [2020-12-22 06:56:30,871 INFO L189 CegarLoopUtils]: For program point L669-1(lines 669 677) no Hoare annotation was computed. [2020-12-22 06:56:30,871 INFO L189 CegarLoopUtils]: For program point L669-2(lines 669 677) no Hoare annotation was computed. [2020-12-22 06:56:30,871 INFO L189 CegarLoopUtils]: For program point L669-3(lines 669 677) no Hoare annotation was computed. [2020-12-22 06:56:30,872 INFO L189 CegarLoopUtils]: For program point L669-4(lines 669 677) no Hoare annotation was computed. [2020-12-22 06:56:30,872 INFO L189 CegarLoopUtils]: For program point L669-5(lines 669 677) no Hoare annotation was computed. [2020-12-22 06:56:30,872 INFO L185 CegarLoopUtils]: At program point L538(lines 1 939) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:30,872 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:56:30,872 INFO L192 CegarLoopUtils]: At program point L936(lines 917 939) the Hoare annotation is: true [2020-12-22 06:56:30,873 INFO L185 CegarLoopUtils]: At program point L904(lines 900 906) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:30,873 INFO L185 CegarLoopUtils]: At program point L640(lines 640 646) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,873 INFO L185 CegarLoopUtils]: At program point L640-1(lines 640 646) the Hoare annotation is: false [2020-12-22 06:56:30,873 INFO L189 CegarLoopUtils]: For program point L574(lines 574 580) no Hoare annotation was computed. [2020-12-22 06:56:30,873 INFO L185 CegarLoopUtils]: At program point L640-2(lines 640 646) the Hoare annotation is: false [2020-12-22 06:56:30,873 INFO L185 CegarLoopUtils]: At program point L574-1(lines 574 580) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,874 INFO L185 CegarLoopUtils]: At program point L508(lines 503 511) the Hoare annotation is: false [2020-12-22 06:56:30,874 INFO L185 CegarLoopUtils]: At program point L508-1(lines 503 511) the Hoare annotation is: false [2020-12-22 06:56:30,874 INFO L189 CegarLoopUtils]: For program point L442(lines 442 446) no Hoare annotation was computed. [2020-12-22 06:56:30,874 INFO L185 CegarLoopUtils]: At program point L508-2(lines 503 511) the Hoare annotation is: false [2020-12-22 06:56:30,874 INFO L185 CegarLoopUtils]: At program point L508-3(lines 503 511) the Hoare annotation is: false [2020-12-22 06:56:30,874 INFO L185 CegarLoopUtils]: At program point L508-4(lines 503 511) the Hoare annotation is: false [2020-12-22 06:56:30,875 INFO L185 CegarLoopUtils]: At program point L508-5(lines 503 511) the Hoare annotation is: false [2020-12-22 06:56:30,875 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 06:56:30,875 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-22 06:56:30,875 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-22 06:56:30,875 INFO L189 CegarLoopUtils]: For program point L807(lines 807 813) no Hoare annotation was computed. [2020-12-22 06:56:30,875 INFO L185 CegarLoopUtils]: At program point L807-1(lines 807 813) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,875 INFO L185 CegarLoopUtils]: At program point L744(lines 739 747) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,876 INFO L185 CegarLoopUtils]: At program point L744-1(lines 739 747) the Hoare annotation is: false [2020-12-22 06:56:30,876 INFO L185 CegarLoopUtils]: At program point L744-2(lines 739 747) the Hoare annotation is: false [2020-12-22 06:56:30,876 INFO L185 CegarLoopUtils]: At program point L612(lines 563 613) the Hoare annotation is: false [2020-12-22 06:56:30,876 INFO L185 CegarLoopUtils]: At program point L546(lines 541 549) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:30,876 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:56:30,877 INFO L189 CegarLoopUtils]: For program point L584(lines 584 590) no Hoare annotation was computed. [2020-12-22 06:56:30,877 INFO L185 CegarLoopUtils]: At program point L584-1(lines 584 590) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,877 INFO L189 CegarLoopUtils]: For program point L454(lines 454 458) no Hoare annotation was computed. [2020-12-22 06:56:30,877 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:56:30,877 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:56:30,877 INFO L185 CegarLoopUtils]: At program point L856-2(lines 856 870) the Hoare annotation is: false [2020-12-22 06:56:30,877 INFO L189 CegarLoopUtils]: For program point L691(lines 691 708) no Hoare annotation was computed. [2020-12-22 06:56:30,878 INFO L189 CegarLoopUtils]: For program point L691-1(lines 691 708) no Hoare annotation was computed. [2020-12-22 06:56:30,878 INFO L189 CegarLoopUtils]: For program point L691-2(lines 691 708) no Hoare annotation was computed. [2020-12-22 06:56:30,878 INFO L189 CegarLoopUtils]: For program point L857(line 857) no Hoare annotation was computed. [2020-12-22 06:56:30,878 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:56:30,878 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:56:30,878 INFO L189 CegarLoopUtils]: For program point L594(lines 594 607) no Hoare annotation was computed. [2020-12-22 06:56:30,879 INFO L189 CegarLoopUtils]: For program point L793(lines 793 797) no Hoare annotation was computed. [2020-12-22 06:56:30,879 INFO L189 CegarLoopUtils]: For program point L793-2(lines 793 797) no Hoare annotation was computed. [2020-12-22 06:56:30,879 INFO L189 CegarLoopUtils]: For program point L793-3(lines 793 797) no Hoare annotation was computed. [2020-12-22 06:56:30,879 INFO L189 CegarLoopUtils]: For program point L793-5(lines 793 797) no Hoare annotation was computed. [2020-12-22 06:56:30,879 INFO L189 CegarLoopUtils]: For program point L793-6(lines 793 797) no Hoare annotation was computed. [2020-12-22 06:56:30,879 INFO L189 CegarLoopUtils]: For program point L793-8(lines 793 797) no Hoare annotation was computed. [2020-12-22 06:56:30,879 INFO L189 CegarLoopUtils]: For program point L793-9(lines 793 797) no Hoare annotation was computed. [2020-12-22 06:56:30,879 INFO L189 CegarLoopUtils]: For program point L430(lines 430 434) no Hoare annotation was computed. [2020-12-22 06:56:30,880 INFO L189 CegarLoopUtils]: For program point L793-11(lines 793 797) no Hoare annotation was computed. [2020-12-22 06:56:30,880 INFO L189 CegarLoopUtils]: For program point L793-12(lines 793 797) no Hoare annotation was computed. [2020-12-22 06:56:30,880 INFO L189 CegarLoopUtils]: For program point L430-3(lines 430 434) no Hoare annotation was computed. [2020-12-22 06:56:30,880 INFO L189 CegarLoopUtils]: For program point L793-14(lines 793 797) no Hoare annotation was computed. [2020-12-22 06:56:30,880 INFO L189 CegarLoopUtils]: For program point L793-15(lines 793 797) no Hoare annotation was computed. [2020-12-22 06:56:30,880 INFO L189 CegarLoopUtils]: For program point L430-6(lines 430 434) no Hoare annotation was computed. [2020-12-22 06:56:30,880 INFO L189 CegarLoopUtils]: For program point L793-17(lines 793 797) no Hoare annotation was computed. [2020-12-22 06:56:30,880 INFO L189 CegarLoopUtils]: For program point L860(lines 860 864) no Hoare annotation was computed. [2020-12-22 06:56:30,881 INFO L189 CegarLoopUtils]: For program point L827(lines 827 840) no Hoare annotation was computed. [2020-12-22 06:56:30,881 INFO L189 CegarLoopUtils]: For program point L860-1(lines 633 639) no Hoare annotation was computed. [2020-12-22 06:56:30,881 INFO L185 CegarLoopUtils]: At program point L827-1(lines 1 939) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:56:30,881 INFO L189 CegarLoopUtils]: For program point L827-2(lines 827 840) no Hoare annotation was computed. [2020-12-22 06:56:30,881 INFO L185 CegarLoopUtils]: At program point L827-3(lines 1 939) the Hoare annotation is: false [2020-12-22 06:56:30,881 INFO L189 CegarLoopUtils]: For program point L695(lines 695 703) no Hoare annotation was computed. [2020-12-22 06:56:30,881 INFO L189 CegarLoopUtils]: For program point L827-4(lines 827 840) no Hoare annotation was computed. [2020-12-22 06:56:30,882 INFO L189 CegarLoopUtils]: For program point L695-1(lines 695 703) no Hoare annotation was computed. [2020-12-22 06:56:30,882 INFO L185 CegarLoopUtils]: At program point L827-5(lines 1 939) the Hoare annotation is: false [2020-12-22 06:56:30,882 INFO L189 CegarLoopUtils]: For program point L695-2(lines 695 703) no Hoare annotation was computed. [2020-12-22 06:56:30,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:56:30 BoogieIcfgContainer [2020-12-22 06:56:30,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:56:30,904 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:56:30,904 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:56:30,904 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:56:30,905 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:28" (3/4) ... [2020-12-22 06:56:30,909 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:56:30,931 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:56:30,933 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:56:30,934 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:56:30,935 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:56:30,936 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:56:30,937 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:30,938 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:30,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:56:31,074 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product23.cil.c-witness.graphml [2020-12-22 06:56:31,074 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:56:31,077 INFO L168 Benchmark]: Toolchain (without parser) took 4453.40 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 126.1 MB in the beginning and 97.9 MB in the end (delta: 28.2 MB). Peak memory consumption was 60.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:31,077 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 152.0 MB. Free memory is still 125.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:56:31,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.16 ms. Allocated memory is still 152.0 MB. Free memory was 125.9 MB in the beginning and 105.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:31,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.68 ms. Allocated memory is still 152.0 MB. Free memory was 105.0 MB in the beginning and 133.3 MB in the end (delta: -28.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:31,079 INFO L168 Benchmark]: Boogie Preprocessor took 71.08 ms. Allocated memory is still 152.0 MB. Free memory was 133.3 MB in the beginning and 130.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:31,079 INFO L168 Benchmark]: RCFGBuilder took 1216.80 ms. Allocated memory is still 152.0 MB. Free memory was 130.7 MB in the beginning and 70.4 MB in the end (delta: 60.3 MB). Peak memory consumption was 59.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:31,080 INFO L168 Benchmark]: TraceAbstraction took 2117.73 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 69.8 MB in the beginning and 107.3 MB in the end (delta: -37.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:56:31,080 INFO L168 Benchmark]: Witness Printer took 170.57 ms. Allocated memory is still 182.5 MB. Free memory was 107.3 MB in the beginning and 97.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:31,086 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 152.0 MB. Free memory is still 125.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 731.16 ms. Allocated memory is still 152.0 MB. Free memory was 125.9 MB in the beginning and 105.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 122.68 ms. Allocated memory is still 152.0 MB. Free memory was 105.0 MB in the beginning and 133.3 MB in the end (delta: -28.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 71.08 ms. Allocated memory is still 152.0 MB. Free memory was 133.3 MB in the beginning and 130.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1216.80 ms. Allocated memory is still 152.0 MB. Free memory was 130.7 MB in the beginning and 70.4 MB in the end (delta: 60.3 MB). Peak memory consumption was 59.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2117.73 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 69.8 MB in the beginning and 107.3 MB in the end (delta: -37.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 170.57 ms. Allocated memory is still 182.5 MB. Free memory was 107.3 MB in the beginning and 97.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 563]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 427 SDtfs, 564 SDslu, 650 SDs, 0 SdLazy, 130 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=146occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 300 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 132 NumberOfFragments, 128 HoareAnnotationTreeSize, 44 FomulaSimplifications, 3996 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 44 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4860 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...