/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_spec1_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:52:57,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:52:57,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:52:57,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:52:57,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:52:57,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:52:57,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:52:57,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:52:57,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:52:57,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:52:57,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:52:57,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:52:57,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:52:57,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:52:57,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:52:57,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:52:57,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:52:57,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:52:57,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:52:57,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:52:57,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:52:57,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:52:57,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:52:57,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:52:58,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:52:58,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:52:58,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:52:58,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:52:58,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:52:58,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:52:58,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:52:58,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:52:58,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:52:58,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:52:58,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:52:58,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:52:58,023 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:52:58,082 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:52:58,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:52:58,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:52:58,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:52:58,087 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:52:58,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:52:58,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:52:58,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:52:58,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:52:58,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:52:58,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:52:58,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:52:58,090 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:52:58,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:52:58,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:52:58,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:52:58,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:52:58,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:52:58,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:52:58,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:52:58,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:52:58,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:52:58,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:52:58,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:52:58,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:52:58,093 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:52:58,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:52:58,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:52:58,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:52:58,557 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:52:58,558 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:52:58,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2020-12-22 06:52:58,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/539cb788d/5d7fd48fd15c4da1a8c9b73380464fe0/FLAGce974bf31 [2020-12-22 06:52:59,416 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:52:59,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2020-12-22 06:52:59,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/539cb788d/5d7fd48fd15c4da1a8c9b73380464fe0/FLAGce974bf31 [2020-12-22 06:52:59,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/539cb788d/5d7fd48fd15c4da1a8c9b73380464fe0 [2020-12-22 06:52:59,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:52:59,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:52:59,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:52:59,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:52:59,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:52:59,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:52:59" (1/1) ... [2020-12-22 06:52:59,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@554ff2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:59, skipping insertion in model container [2020-12-22 06:52:59,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:52:59" (1/1) ... [2020-12-22 06:52:59,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:52:59,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:53:00,046 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_spec1_product22.cil.c[13152,13165] [2020-12-22 06:53:00,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:53:00,117 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:53:00,176 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_spec1_product22.cil.c[13152,13165] [2020-12-22 06:53:00,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:53:00,257 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:53:00,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:00 WrapperNode [2020-12-22 06:53:00,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:53:00,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:53:00,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:53:00,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:53:00,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:00" (1/1) ... [2020-12-22 06:53:00,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:00" (1/1) ... [2020-12-22 06:53:00,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:53:00,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:53:00,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:53:00,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:53:00,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:00" (1/1) ... [2020-12-22 06:53:00,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:00" (1/1) ... [2020-12-22 06:53:00,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:00" (1/1) ... [2020-12-22 06:53:00,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:00" (1/1) ... [2020-12-22 06:53:00,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:00" (1/1) ... [2020-12-22 06:53:00,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:00" (1/1) ... [2020-12-22 06:53:00,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:00" (1/1) ... [2020-12-22 06:53:00,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:53:00,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:53:00,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:53:00,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:53:00,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:00" (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 06:53:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:53:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:53:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:53:00,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:53:01,651 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:53:01,652 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2020-12-22 06:53:01,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:01 BoogieIcfgContainer [2020-12-22 06:53:01,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:53:01,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:53:01,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:53:01,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:53:01,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:52:59" (1/3) ... [2020-12-22 06:53:01,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349687d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:53:01, skipping insertion in model container [2020-12-22 06:53:01,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:00" (2/3) ... [2020-12-22 06:53:01,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349687d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:53:01, skipping insertion in model container [2020-12-22 06:53:01,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:01" (3/3) ... [2020-12-22 06:53:01,663 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product22.cil.c [2020-12-22 06:53:01,670 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:53:01,675 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:53:01,695 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:53:01,722 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:53:01,723 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:53:01,723 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:53:01,723 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:53:01,723 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:53:01,723 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:53:01,723 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:53:01,723 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:53:01,742 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-12-22 06:53:01,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:53:01,749 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:01,750 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:01,750 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:01,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:01,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1818136157, now seen corresponding path program 1 times [2020-12-22 06:53:01,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:01,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739213470] [2020-12-22 06:53:01,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:02,176 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 06:53:02,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739213470] [2020-12-22 06:53:02,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:02,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:53:02,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489091518] [2020-12-22 06:53:02,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:53:02,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:02,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:53:02,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:53:02,209 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2020-12-22 06:53:02,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:02,270 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2020-12-22 06:53:02,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:53:02,275 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:53:02,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:02,286 INFO L225 Difference]: With dead ends: 204 [2020-12-22 06:53:02,286 INFO L226 Difference]: Without dead ends: 101 [2020-12-22 06:53:02,290 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 06:53:02,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-12-22 06:53:02,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-12-22 06:53:02,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-12-22 06:53:02,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2020-12-22 06:53:02,338 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2020-12-22 06:53:02,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:02,339 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2020-12-22 06:53:02,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:53:02,339 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2020-12-22 06:53:02,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:53:02,340 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:02,341 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 06:53:02,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:53:02,341 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:02,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:02,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1430074242, now seen corresponding path program 1 times [2020-12-22 06:53:02,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:02,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351376207] [2020-12-22 06:53:02,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:02,478 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 06:53:02,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351376207] [2020-12-22 06:53:02,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:02,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:53:02,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811653506] [2020-12-22 06:53:02,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:02,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:02,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:02,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:02,489 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2020-12-22 06:53:02,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:02,518 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2020-12-22 06:53:02,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:02,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:53:02,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:02,521 INFO L225 Difference]: With dead ends: 101 [2020-12-22 06:53:02,524 INFO L226 Difference]: Without dead ends: 43 [2020-12-22 06:53:02,525 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 06:53:02,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-22 06:53:02,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-12-22 06:53:02,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-22 06:53:02,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2020-12-22 06:53:02,535 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2020-12-22 06:53:02,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:02,535 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2020-12-22 06:53:02,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:02,536 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2020-12-22 06:53:02,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:53:02,537 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:02,537 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 06:53:02,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:53:02,538 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:02,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:02,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1358801466, now seen corresponding path program 1 times [2020-12-22 06:53:02,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:02,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203095790] [2020-12-22 06:53:02,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:02,610 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 06:53:02,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203095790] [2020-12-22 06:53:02,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:02,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:53:02,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672075234] [2020-12-22 06:53:02,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:02,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:02,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:02,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:02,613 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 3 states. [2020-12-22 06:53:02,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:02,640 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2020-12-22 06:53:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:02,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-22 06:53:02,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:02,642 INFO L225 Difference]: With dead ends: 80 [2020-12-22 06:53:02,642 INFO L226 Difference]: Without dead ends: 43 [2020-12-22 06:53:02,643 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 06:53:02,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-22 06:53:02,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-12-22 06:53:02,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-22 06:53:02,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-12-22 06:53:02,649 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2020-12-22 06:53:02,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:02,650 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-12-22 06:53:02,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:02,653 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-12-22 06:53:02,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:53:02,654 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:02,654 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 06:53:02,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:53:02,655 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:02,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:02,656 INFO L82 PathProgramCache]: Analyzing trace with hash 2042078472, now seen corresponding path program 1 times [2020-12-22 06:53:02,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:02,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612819661] [2020-12-22 06:53:02,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:02,814 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 06:53:02,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612819661] [2020-12-22 06:53:02,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:02,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:02,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486727527] [2020-12-22 06:53:02,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:02,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:02,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:02,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:02,817 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2020-12-22 06:53:02,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:02,927 INFO L93 Difference]: Finished difference Result 204 states and 303 transitions. [2020-12-22 06:53:02,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:53:02,928 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:53:02,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:02,931 INFO L225 Difference]: With dead ends: 204 [2020-12-22 06:53:02,931 INFO L226 Difference]: Without dead ends: 167 [2020-12-22 06:53:02,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 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 06:53:02,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-12-22 06:53:02,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 76. [2020-12-22 06:53:02,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-12-22 06:53:02,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2020-12-22 06:53:02,947 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 24 [2020-12-22 06:53:02,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:02,947 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2020-12-22 06:53:02,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:02,948 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2020-12-22 06:53:02,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:53:02,949 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:02,949 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 06:53:02,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:53:02,950 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:02,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:02,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1843821250, now seen corresponding path program 1 times [2020-12-22 06:53:02,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:02,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211905541] [2020-12-22 06:53:02,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:03,089 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 06:53:03,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211905541] [2020-12-22 06:53:03,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:03,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:03,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296109203] [2020-12-22 06:53:03,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:03,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:03,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:03,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:03,093 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand 5 states. [2020-12-22 06:53:03,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:03,154 INFO L93 Difference]: Finished difference Result 174 states and 257 transitions. [2020-12-22 06:53:03,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:53:03,155 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:53:03,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:03,156 INFO L225 Difference]: With dead ends: 174 [2020-12-22 06:53:03,156 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:53:03,157 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 06:53:03,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:53:03,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:53:03,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:53:03,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:53:03,159 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-12-22 06:53:03,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:03,159 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:53:03,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:03,159 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:53:03,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:53:03,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:53:03,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:53:03,461 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2020-12-22 06:53:03,461 INFO L185 CegarLoopUtils]: At program point L632(lines 627 635) the Hoare annotation is: false [2020-12-22 06:53:03,462 INFO L185 CegarLoopUtils]: At program point L632-1(lines 627 635) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:03,462 INFO L185 CegarLoopUtils]: At program point L632-2(lines 627 635) the Hoare annotation is: false [2020-12-22 06:53:03,462 INFO L185 CegarLoopUtils]: At program point L632-3(lines 627 635) the Hoare annotation is: false [2020-12-22 06:53:03,462 INFO L185 CegarLoopUtils]: At program point L632-4(lines 627 635) the Hoare annotation is: false [2020-12-22 06:53:03,463 INFO L185 CegarLoopUtils]: At program point L632-5(lines 627 635) the Hoare annotation is: false [2020-12-22 06:53:03,463 INFO L189 CegarLoopUtils]: For program point L897(lines 897 903) no Hoare annotation was computed. [2020-12-22 06:53:03,464 INFO L185 CegarLoopUtils]: At program point L897-1(lines 897 903) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:03,465 INFO L185 CegarLoopUtils]: At program point L799(lines 794 802) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:03,465 INFO L185 CegarLoopUtils]: At program point L799-1(lines 794 802) the Hoare annotation is: false [2020-12-22 06:53:03,465 INFO L185 CegarLoopUtils]: At program point L799-2(lines 794 802) the Hoare annotation is: false [2020-12-22 06:53:03,466 INFO L192 CegarLoopUtils]: At program point L205(lines 186 208) the Hoare annotation is: true [2020-12-22 06:53:03,466 INFO L185 CegarLoopUtils]: At program point L172(lines 168 174) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:53:03,467 INFO L185 CegarLoopUtils]: At program point L75(lines 70 78) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:53:03,467 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2020-12-22 06:53:03,468 INFO L185 CegarLoopUtils]: At program point L673(lines 668 676) the Hoare annotation is: false [2020-12-22 06:53:03,469 INFO L185 CegarLoopUtils]: At program point L673-1(lines 668 676) the Hoare annotation is: false [2020-12-22 06:53:03,469 INFO L189 CegarLoopUtils]: For program point L607(lines 607 611) no Hoare annotation was computed. [2020-12-22 06:53:03,470 INFO L185 CegarLoopUtils]: At program point L673-2(lines 668 676) the Hoare annotation is: false [2020-12-22 06:53:03,470 INFO L185 CegarLoopUtils]: At program point L673-3(lines 668 676) the Hoare annotation is: false [2020-12-22 06:53:03,470 INFO L185 CegarLoopUtils]: At program point L673-4(lines 668 676) the Hoare annotation is: false [2020-12-22 06:53:03,471 INFO L185 CegarLoopUtils]: At program point L673-5(lines 668 676) the Hoare annotation is: false [2020-12-22 06:53:03,471 INFO L189 CegarLoopUtils]: For program point L907(lines 907 920) no Hoare annotation was computed. [2020-12-22 06:53:03,471 INFO L189 CegarLoopUtils]: For program point L580(line 580) no Hoare annotation was computed. [2020-12-22 06:53:03,472 INFO L189 CegarLoopUtils]: For program point L580-1(line 580) no Hoare annotation was computed. [2020-12-22 06:53:03,472 INFO L189 CegarLoopUtils]: For program point L580-2(line 580) no Hoare annotation was computed. [2020-12-22 06:53:03,472 INFO L189 CegarLoopUtils]: For program point L878(lines 877 924) no Hoare annotation was computed. [2020-12-22 06:53:03,472 INFO L189 CegarLoopUtils]: For program point L746(lines 746 763) no Hoare annotation was computed. [2020-12-22 06:53:03,473 INFO L189 CegarLoopUtils]: For program point L746-1(lines 746 763) no Hoare annotation was computed. [2020-12-22 06:53:03,473 INFO L189 CegarLoopUtils]: For program point L746-2(lines 746 763) no Hoare annotation was computed. [2020-12-22 06:53:03,473 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:53:03,474 INFO L189 CegarLoopUtils]: For program point L879(lines 879 883) no Hoare annotation was computed. [2020-12-22 06:53:03,474 INFO L185 CegarLoopUtils]: At program point L121-2(lines 121 135) the Hoare annotation is: false [2020-12-22 06:53:03,474 INFO L189 CegarLoopUtils]: For program point L848(lines 848 852) no Hoare annotation was computed. [2020-12-22 06:53:03,474 INFO L189 CegarLoopUtils]: For program point L848-2(lines 848 852) no Hoare annotation was computed. [2020-12-22 06:53:03,475 INFO L189 CegarLoopUtils]: For program point L848-3(lines 848 852) no Hoare annotation was computed. [2020-12-22 06:53:03,475 INFO L189 CegarLoopUtils]: For program point L848-5(lines 848 852) no Hoare annotation was computed. [2020-12-22 06:53:03,475 INFO L189 CegarLoopUtils]: For program point L848-6(lines 848 852) no Hoare annotation was computed. [2020-12-22 06:53:03,476 INFO L189 CegarLoopUtils]: For program point L848-8(lines 848 852) no Hoare annotation was computed. [2020-12-22 06:53:03,477 INFO L189 CegarLoopUtils]: For program point L848-9(lines 848 852) no Hoare annotation was computed. [2020-12-22 06:53:03,478 INFO L189 CegarLoopUtils]: For program point L848-11(lines 848 852) no Hoare annotation was computed. [2020-12-22 06:53:03,482 INFO L189 CegarLoopUtils]: For program point L848-12(lines 848 852) no Hoare annotation was computed. [2020-12-22 06:53:03,483 INFO L189 CegarLoopUtils]: For program point L848-14(lines 848 852) no Hoare annotation was computed. [2020-12-22 06:53:03,483 INFO L189 CegarLoopUtils]: For program point L848-15(lines 848 852) no Hoare annotation was computed. [2020-12-22 06:53:03,484 INFO L189 CegarLoopUtils]: For program point L848-17(lines 848 852) no Hoare annotation was computed. [2020-12-22 06:53:03,488 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-22 06:53:03,489 INFO L189 CegarLoopUtils]: For program point L915(lines 915 919) no Hoare annotation was computed. [2020-12-22 06:53:03,489 INFO L185 CegarLoopUtils]: At program point L915-2(lines 688 694) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:03,489 INFO L189 CegarLoopUtils]: For program point L750(lines 750 758) no Hoare annotation was computed. [2020-12-22 06:53:03,489 INFO L189 CegarLoopUtils]: For program point L750-1(lines 750 758) no Hoare annotation was computed. [2020-12-22 06:53:03,489 INFO L189 CegarLoopUtils]: For program point L750-2(lines 750 758) no Hoare annotation was computed. [2020-12-22 06:53:03,490 INFO L189 CegarLoopUtils]: For program point L619(lines 619 623) no Hoare annotation was computed. [2020-12-22 06:53:03,490 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:53:03,490 INFO L189 CegarLoopUtils]: For program point L91(lines 91 104) no Hoare annotation was computed. [2020-12-22 06:53:03,490 INFO L185 CegarLoopUtils]: At program point L91-1(lines 1 932) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:03,490 INFO L189 CegarLoopUtils]: For program point L91-2(lines 91 104) no Hoare annotation was computed. [2020-12-22 06:53:03,490 INFO L185 CegarLoopUtils]: At program point L91-3(lines 1 932) the Hoare annotation is: false [2020-12-22 06:53:03,491 INFO L189 CegarLoopUtils]: For program point L91-4(lines 91 104) no Hoare annotation was computed. [2020-12-22 06:53:03,491 INFO L185 CegarLoopUtils]: At program point L91-5(lines 1 932) the Hoare annotation is: false [2020-12-22 06:53:03,493 INFO L189 CegarLoopUtils]: For program point L125(lines 125 129) no Hoare annotation was computed. [2020-12-22 06:53:03,493 INFO L189 CegarLoopUtils]: For program point L125-1(lines 688 694) no Hoare annotation was computed. [2020-12-22 06:53:03,494 INFO L189 CegarLoopUtils]: For program point L720(lines 720 737) no Hoare annotation was computed. [2020-12-22 06:53:03,494 INFO L189 CegarLoopUtils]: For program point L720-1(lines 720 737) no Hoare annotation was computed. [2020-12-22 06:53:03,494 INFO L189 CegarLoopUtils]: For program point L720-2(lines 720 737) no Hoare annotation was computed. [2020-12-22 06:53:03,494 INFO L189 CegarLoopUtils]: For program point L720-3(lines 720 737) no Hoare annotation was computed. [2020-12-22 06:53:03,494 INFO L189 CegarLoopUtils]: For program point L720-4(lines 720 737) no Hoare annotation was computed. [2020-12-22 06:53:03,495 INFO L189 CegarLoopUtils]: For program point L720-5(lines 720 737) no Hoare annotation was computed. [2020-12-22 06:53:03,495 INFO L185 CegarLoopUtils]: At program point L688(lines 687 706) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:03,495 INFO L189 CegarLoopUtils]: For program point L688-1(lines 688 694) no Hoare annotation was computed. [2020-12-22 06:53:03,495 INFO L185 CegarLoopUtils]: At program point L688-2(lines 687 706) the Hoare annotation is: false [2020-12-22 06:53:03,495 INFO L185 CegarLoopUtils]: At program point L688-3(lines 687 706) the Hoare annotation is: false [2020-12-22 06:53:03,495 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:53:03,496 INFO L189 CegarLoopUtils]: For program point L887(lines 887 893) no Hoare annotation was computed. [2020-12-22 06:53:03,496 INFO L185 CegarLoopUtils]: At program point L887-1(lines 887 893) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:03,497 INFO L185 CegarLoopUtils]: At program point L854(lines 839 857) the Hoare annotation is: false [2020-12-22 06:53:03,497 INFO L185 CegarLoopUtils]: At program point L854-1(lines 839 857) the Hoare annotation is: false [2020-12-22 06:53:03,497 INFO L185 CegarLoopUtils]: At program point L854-2(lines 839 857) the Hoare annotation is: false [2020-12-22 06:53:03,497 INFO L185 CegarLoopUtils]: At program point L854-3(lines 839 857) the Hoare annotation is: false [2020-12-22 06:53:03,497 INFO L185 CegarLoopUtils]: At program point L854-4(lines 839 857) the Hoare annotation is: false [2020-12-22 06:53:03,498 INFO L185 CegarLoopUtils]: At program point L854-5(lines 839 857) the Hoare annotation is: false [2020-12-22 06:53:03,498 INFO L189 CegarLoopUtils]: For program point L95(lines 95 101) no Hoare annotation was computed. [2020-12-22 06:53:03,498 INFO L189 CegarLoopUtils]: For program point L95-2(lines 95 101) no Hoare annotation was computed. [2020-12-22 06:53:03,498 INFO L189 CegarLoopUtils]: For program point L95-4(lines 95 101) no Hoare annotation was computed. [2020-12-22 06:53:03,499 INFO L185 CegarLoopUtils]: At program point L790(lines 783 793) the Hoare annotation is: false [2020-12-22 06:53:03,499 INFO L185 CegarLoopUtils]: At program point L790-1(lines 783 793) the Hoare annotation is: false [2020-12-22 06:53:03,499 INFO L189 CegarLoopUtils]: For program point L724(lines 724 732) no Hoare annotation was computed. [2020-12-22 06:53:03,499 INFO L185 CegarLoopUtils]: At program point L790-2(lines 783 793) the Hoare annotation is: false [2020-12-22 06:53:03,499 INFO L189 CegarLoopUtils]: For program point L724-1(lines 724 732) no Hoare annotation was computed. [2020-12-22 06:53:03,499 INFO L189 CegarLoopUtils]: For program point L724-2(lines 724 732) no Hoare annotation was computed. [2020-12-22 06:53:03,499 INFO L189 CegarLoopUtils]: For program point L724-3(lines 724 732) no Hoare annotation was computed. [2020-12-22 06:53:03,500 INFO L189 CegarLoopUtils]: For program point L724-4(lines 724 732) no Hoare annotation was computed. [2020-12-22 06:53:03,500 INFO L189 CegarLoopUtils]: For program point L724-5(lines 724 732) no Hoare annotation was computed. [2020-12-22 06:53:03,500 INFO L189 CegarLoopUtils]: For program point L196(lines 196 203) no Hoare annotation was computed. [2020-12-22 06:53:03,500 INFO L192 CegarLoopUtils]: At program point L196-1(lines 196 203) the Hoare annotation is: true [2020-12-22 06:53:03,500 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:53:03,500 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2020-12-22 06:53:03,500 INFO L185 CegarLoopUtils]: At program point L925(lines 876 926) the Hoare annotation is: false [2020-12-22 06:53:03,501 INFO L189 CegarLoopUtils]: For program point L595(lines 595 599) no Hoare annotation was computed. [2020-12-22 06:53:03,501 INFO L189 CegarLoopUtils]: For program point L595-3(lines 595 599) no Hoare annotation was computed. [2020-12-22 06:53:03,501 INFO L189 CegarLoopUtils]: For program point L595-6(lines 595 599) no Hoare annotation was computed. [2020-12-22 06:53:03,501 INFO L185 CegarLoopUtils]: At program point L67(lines 1 932) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:53:03,501 INFO L185 CegarLoopUtils]: At program point L695(lines 695 701) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:03,501 INFO L185 CegarLoopUtils]: At program point L695-1(lines 695 701) the Hoare annotation is: false [2020-12-22 06:53:03,501 INFO L185 CegarLoopUtils]: At program point L695-2(lines 695 701) the Hoare annotation is: false [2020-12-22 06:53:03,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:53:03 BoogieIcfgContainer [2020-12-22 06:53:03,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:53:03,544 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:53:03,544 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:53:03,544 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:53:03,545 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:01" (3/4) ... [2020-12-22 06:53:03,549 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:53:03,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:53:03,583 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:53:03,585 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:53:03,586 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:53:03,587 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:53:03,588 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:53:03,589 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:53:03,630 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:53:03,726 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec1_product22.cil.c-witness.graphml [2020-12-22 06:53:03,726 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:53:03,729 INFO L168 Benchmark]: Toolchain (without parser) took 4065.78 ms. Allocated memory was 164.6 MB in the beginning and 213.9 MB in the end (delta: 49.3 MB). Free memory was 138.6 MB in the beginning and 131.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 57.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:03,729 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 164.6 MB. Free memory is still 137.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:53:03,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.97 ms. Allocated memory is still 164.6 MB. Free memory was 138.6 MB in the beginning and 117.6 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:03,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.42 ms. Allocated memory is still 164.6 MB. Free memory was 117.6 MB in the beginning and 114.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:03,730 INFO L168 Benchmark]: Boogie Preprocessor took 74.69 ms. Allocated memory is still 164.6 MB. Free memory was 114.3 MB in the beginning and 111.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:03,731 INFO L168 Benchmark]: RCFGBuilder took 1238.07 ms. Allocated memory is still 164.6 MB. Free memory was 111.3 MB in the beginning and 134.2 MB in the end (delta: -22.9 MB). Peak memory consumption was 55.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:03,731 INFO L168 Benchmark]: TraceAbstraction took 1887.40 ms. Allocated memory was 164.6 MB in the beginning and 213.9 MB in the end (delta: 49.3 MB). Free memory was 133.7 MB in the beginning and 140.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 42.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:03,732 INFO L168 Benchmark]: Witness Printer took 182.53 ms. Allocated memory is still 213.9 MB. Free memory was 140.7 MB in the beginning and 131.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:03,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 164.6 MB. Free memory is still 137.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 592.97 ms. Allocated memory is still 164.6 MB. Free memory was 138.6 MB in the beginning and 117.6 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 80.42 ms. Allocated memory is still 164.6 MB. Free memory was 117.6 MB in the beginning and 114.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 74.69 ms. Allocated memory is still 164.6 MB. Free memory was 114.3 MB in the beginning and 111.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1238.07 ms. Allocated memory is still 164.6 MB. Free memory was 111.3 MB in the beginning and 134.2 MB in the end (delta: -22.9 MB). Peak memory consumption was 55.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1887.40 ms. Allocated memory was 164.6 MB in the beginning and 213.9 MB in the end (delta: 49.3 MB). Free memory was 133.7 MB in the beginning and 140.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 42.2 MB. Max. memory is 8.0 GB. * Witness Printer took 182.53 ms. Allocated memory is still 213.9 MB. Free memory was 140.7 MB in the beginning and 131.8 MB in the end (delta: 8.9 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: 580]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 580]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 580]: 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: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 412 SDtfs, 404 SDslu, 332 SDs, 0 SdLazy, 58 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 84 NumberOfFragments, 145 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1306 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 28 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4199 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...