/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_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:53:02,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:53:02,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:53:02,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:53:02,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:53:02,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:53:02,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:53:02,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:53:02,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:53:02,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:53:02,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:53:02,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:53:02,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:53:02,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:53:02,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:53:02,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:53:02,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:53:02,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:53:02,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:53:02,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:53:02,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:53:02,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:53:02,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:53:02,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:53:02,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:53:02,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:53:02,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:53:02,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:53:02,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:53:02,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:53:02,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:53:02,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:53:02,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:53:02,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:53:02,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:53:02,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:53:02,833 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:53:02,885 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:53:02,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:53:02,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:53:02,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:53:02,890 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:53:02,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:53:02,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:53:02,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:53:02,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:53:02,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:53:02,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:53:02,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:53:02,893 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:53:02,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:53:02,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:53:02,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:53:02,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:53:02,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:53:02,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:53:02,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:53:02,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:53:02,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:53:02,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:53:02,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:53:02,896 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:53:02,896 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:53:03,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:53:03,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:53:03,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:53:03,313 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:53:03,313 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:53:03,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2020-12-22 06:53:03,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2af0f63c4/d127f4c8fcab44bf9dfe87a5c26cf5c8/FLAG7a551e0a0 [2020-12-22 06:53:03,977 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:53:03,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2020-12-22 06:53:04,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2af0f63c4/d127f4c8fcab44bf9dfe87a5c26cf5c8/FLAG7a551e0a0 [2020-12-22 06:53:04,286 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2af0f63c4/d127f4c8fcab44bf9dfe87a5c26cf5c8 [2020-12-22 06:53:04,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:53:04,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:53:04,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:53:04,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:53:04,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:53:04,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:53:04" (1/1) ... [2020-12-22 06:53:04,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca2132e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:04, skipping insertion in model container [2020-12-22 06:53:04,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:53:04" (1/1) ... [2020-12-22 06:53:04,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:53:04,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:53:04,574 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_product25.cil.c[3600,3613] [2020-12-22 06:53:04,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:53:04,689 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:53:04,716 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_product25.cil.c[3600,3613] [2020-12-22 06:53:04,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:53:04,860 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:53:04,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:04 WrapperNode [2020-12-22 06:53:04,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:53:04,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:53:04,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:53:04,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:53:04,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:04" (1/1) ... [2020-12-22 06:53:04,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:04" (1/1) ... [2020-12-22 06:53:04,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:53:04,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:53:04,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:53:04,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:53:04,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:04" (1/1) ... [2020-12-22 06:53:04,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:04" (1/1) ... [2020-12-22 06:53:04,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:04" (1/1) ... [2020-12-22 06:53:04,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:04" (1/1) ... [2020-12-22 06:53:04,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:04" (1/1) ... [2020-12-22 06:53:05,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:04" (1/1) ... [2020-12-22 06:53:05,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:04" (1/1) ... [2020-12-22 06:53:05,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:53:05,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:53:05,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:53:05,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:53:05,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:04" (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 06:53:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:53:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:53:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:53:05,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:53:06,105 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:53:06,106 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2020-12-22 06:53:06,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:06 BoogieIcfgContainer [2020-12-22 06:53:06,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:53:06,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:53:06,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:53:06,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:53:06,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:53:04" (1/3) ... [2020-12-22 06:53:06,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e34563a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:53:06, skipping insertion in model container [2020-12-22 06:53:06,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:04" (2/3) ... [2020-12-22 06:53:06,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e34563a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:53:06, skipping insertion in model container [2020-12-22 06:53:06,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:06" (3/3) ... [2020-12-22 06:53:06,125 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product25.cil.c [2020-12-22 06:53:06,135 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:53:06,141 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:53:06,163 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:53:06,208 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:53:06,208 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:53:06,208 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:53:06,208 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:53:06,208 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:53:06,209 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:53:06,209 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:53:06,209 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:53:06,231 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-12-22 06:53:06,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:53:06,239 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:06,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:06,240 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:06,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:06,248 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2020-12-22 06:53:06,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:06,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599486131] [2020-12-22 06:53:06,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:06,609 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 06:53:06,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599486131] [2020-12-22 06:53:06,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:06,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:53:06,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680831721] [2020-12-22 06:53:06,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:53:06,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:06,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:53:06,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:53:06,636 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-12-22 06:53:06,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:06,666 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2020-12-22 06:53:06,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:53:06,668 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:53:06,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:06,680 INFO L225 Difference]: With dead ends: 144 [2020-12-22 06:53:06,680 INFO L226 Difference]: Without dead ends: 71 [2020-12-22 06:53:06,684 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 06:53:06,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-12-22 06:53:06,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-12-22 06:53:06,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-12-22 06:53:06,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-12-22 06:53:06,731 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2020-12-22 06:53:06,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:06,732 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-12-22 06:53:06,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:53:06,732 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-12-22 06:53:06,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:53:06,733 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:06,734 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 06:53:06,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:53:06,734 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:06,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:06,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2020-12-22 06:53:06,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:06,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658362984] [2020-12-22 06:53:06,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:06,842 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 06:53:06,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658362984] [2020-12-22 06:53:06,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:06,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:53:06,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372567315] [2020-12-22 06:53:06,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:06,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:06,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:06,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:06,847 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-12-22 06:53:06,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:06,859 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-12-22 06:53:06,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:06,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:53:06,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:06,861 INFO L225 Difference]: With dead ends: 71 [2020-12-22 06:53:06,861 INFO L226 Difference]: Without dead ends: 33 [2020-12-22 06:53:06,862 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 06:53:06,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-22 06:53:06,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-22 06:53:06,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-22 06:53:06,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-12-22 06:53:06,868 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-12-22 06:53:06,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:06,868 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-12-22 06:53:06,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:06,869 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-12-22 06:53:06,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:53:06,870 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:06,870 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 06:53:06,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:53:06,871 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:06,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:06,871 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2020-12-22 06:53:06,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:06,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347327561] [2020-12-22 06:53:06,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:07,001 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 06:53:07,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347327561] [2020-12-22 06:53:07,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:07,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:53:07,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103699126] [2020-12-22 06:53:07,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:07,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:07,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:07,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:07,004 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2020-12-22 06:53:07,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:07,020 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-12-22 06:53:07,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:07,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-22 06:53:07,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:07,024 INFO L225 Difference]: With dead ends: 60 [2020-12-22 06:53:07,024 INFO L226 Difference]: Without dead ends: 33 [2020-12-22 06:53:07,026 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 06:53:07,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-22 06:53:07,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-22 06:53:07,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-22 06:53:07,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-12-22 06:53:07,035 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2020-12-22 06:53:07,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:07,038 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-12-22 06:53:07,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:07,038 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-12-22 06:53:07,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 06:53:07,039 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:07,040 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] [2020-12-22 06:53:07,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:53:07,040 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:07,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:07,041 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2020-12-22 06:53:07,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:07,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111495070] [2020-12-22 06:53:07,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:07,203 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 06:53:07,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111495070] [2020-12-22 06:53:07,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:07,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:07,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071397115] [2020-12-22 06:53:07,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:07,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:07,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:07,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:07,208 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-12-22 06:53:07,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:07,346 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2020-12-22 06:53:07,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:53:07,347 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-12-22 06:53:07,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:07,350 INFO L225 Difference]: With dead ends: 151 [2020-12-22 06:53:07,350 INFO L226 Difference]: Without dead ends: 124 [2020-12-22 06:53:07,353 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 06:53:07,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-12-22 06:53:07,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2020-12-22 06:53:07,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-12-22 06:53:07,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2020-12-22 06:53:07,380 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2020-12-22 06:53:07,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:07,380 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2020-12-22 06:53:07,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:07,381 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2020-12-22 06:53:07,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:53:07,382 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:07,382 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 06:53:07,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:53:07,383 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:07,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:07,384 INFO L82 PathProgramCache]: Analyzing trace with hash -142255950, now seen corresponding path program 1 times [2020-12-22 06:53:07,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:07,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409001836] [2020-12-22 06:53:07,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:07,485 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 06:53:07,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409001836] [2020-12-22 06:53:07,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:07,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:07,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603139036] [2020-12-22 06:53:07,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:07,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:07,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:07,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:07,490 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2020-12-22 06:53:07,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:07,554 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2020-12-22 06:53:07,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:53:07,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:53:07,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:07,556 INFO L225 Difference]: With dead ends: 148 [2020-12-22 06:53:07,556 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:53:07,560 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 06:53:07,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:53:07,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:53:07,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:53:07,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:53:07,562 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-12-22 06:53:07,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:07,562 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:53:07,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:07,562 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:53:07,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:53:07,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:53:07,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:53:07,777 INFO L185 CegarLoopUtils]: At program point L382(lines 367 385) the Hoare annotation is: false [2020-12-22 06:53:07,778 INFO L185 CegarLoopUtils]: At program point L382-1(lines 367 385) the Hoare annotation is: false [2020-12-22 06:53:07,778 INFO L185 CegarLoopUtils]: At program point L382-2(lines 367 385) the Hoare annotation is: false [2020-12-22 06:53:07,778 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 208) no Hoare annotation was computed. [2020-12-22 06:53:07,778 INFO L189 CegarLoopUtils]: For program point L465(line 465) no Hoare annotation was computed. [2020-12-22 06:53:07,778 INFO L189 CegarLoopUtils]: For program point L399(lines 398 443) no Hoare annotation was computed. [2020-12-22 06:53:07,779 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:53:07,779 INFO L189 CegarLoopUtils]: For program point L400(lines 400 404) no Hoare annotation was computed. [2020-12-22 06:53:07,779 INFO L189 CegarLoopUtils]: For program point L186(lines 186 199) no Hoare annotation was computed. [2020-12-22 06:53:07,779 INFO L185 CegarLoopUtils]: At program point L186-1(lines 1 913) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:07,779 INFO L189 CegarLoopUtils]: For program point L186-2(lines 186 199) no Hoare annotation was computed. [2020-12-22 06:53:07,779 INFO L185 CegarLoopUtils]: At program point L186-3(lines 1 913) the Hoare annotation is: false [2020-12-22 06:53:07,780 INFO L189 CegarLoopUtils]: For program point L186-4(lines 186 199) no Hoare annotation was computed. [2020-12-22 06:53:07,780 INFO L185 CegarLoopUtils]: At program point L186-5(lines 1 913) the Hoare annotation is: false [2020-12-22 06:53:07,780 INFO L189 CegarLoopUtils]: For program point L434(lines 434 438) no Hoare annotation was computed. [2020-12-22 06:53:07,780 INFO L189 CegarLoopUtils]: For program point L434-2(lines 224 230) no Hoare annotation was computed. [2020-12-22 06:53:07,780 INFO L189 CegarLoopUtils]: For program point L418(lines 418 424) no Hoare annotation was computed. [2020-12-22 06:53:07,780 INFO L185 CegarLoopUtils]: At program point L418-1(lines 418 424) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:07,780 INFO L189 CegarLoopUtils]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:53:07,781 INFO L189 CegarLoopUtils]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:53:07,781 INFO L189 CegarLoopUtils]: For program point L468(lines 468 472) no Hoare annotation was computed. [2020-12-22 06:53:07,781 INFO L189 CegarLoopUtils]: For program point L468-1(lines 224 230) no Hoare annotation was computed. [2020-12-22 06:53:07,781 INFO L189 CegarLoopUtils]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:53:07,781 INFO L185 CegarLoopUtils]: At program point L171(lines 166 174) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:53:07,782 INFO L189 CegarLoopUtils]: For program point L535(lines 535 542) no Hoare annotation was computed. [2020-12-22 06:53:07,782 INFO L192 CegarLoopUtils]: At program point L535-1(lines 535 542) the Hoare annotation is: true [2020-12-22 06:53:07,782 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:53:07,782 INFO L189 CegarLoopUtils]: For program point L256(lines 256 273) no Hoare annotation was computed. [2020-12-22 06:53:07,782 INFO L189 CegarLoopUtils]: For program point L256-1(lines 256 273) no Hoare annotation was computed. [2020-12-22 06:53:07,782 INFO L189 CegarLoopUtils]: For program point L190(lines 190 196) no Hoare annotation was computed. [2020-12-22 06:53:07,782 INFO L189 CegarLoopUtils]: For program point L256-2(lines 256 273) no Hoare annotation was computed. [2020-12-22 06:53:07,783 INFO L189 CegarLoopUtils]: For program point L190-2(lines 190 196) no Hoare annotation was computed. [2020-12-22 06:53:07,783 INFO L189 CegarLoopUtils]: For program point L190-4(lines 190 196) no Hoare annotation was computed. [2020-12-22 06:53:07,783 INFO L185 CegarLoopUtils]: At program point L224(lines 223 242) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:07,783 INFO L189 CegarLoopUtils]: For program point L224-1(lines 224 230) no Hoare annotation was computed. [2020-12-22 06:53:07,783 INFO L185 CegarLoopUtils]: At program point L224-2(lines 223 242) the Hoare annotation is: false [2020-12-22 06:53:07,783 INFO L185 CegarLoopUtils]: At program point L224-3(lines 223 242) the Hoare annotation is: false [2020-12-22 06:53:07,784 INFO L185 CegarLoopUtils]: At program point L92(lines 87 95) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:07,784 INFO L185 CegarLoopUtils]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2020-12-22 06:53:07,784 INFO L185 CegarLoopUtils]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-12-22 06:53:07,784 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 208) no Hoare annotation was computed. [2020-12-22 06:53:07,784 INFO L189 CegarLoopUtils]: For program point L208(line 208) no Hoare annotation was computed. [2020-12-22 06:53:07,784 INFO L189 CegarLoopUtils]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-12-22 06:53:07,785 INFO L189 CegarLoopUtils]: For program point L208-2(line 208) no Hoare annotation was computed. [2020-12-22 06:53:07,785 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:53:07,785 INFO L189 CegarLoopUtils]: For program point L408(lines 408 414) no Hoare annotation was computed. [2020-12-22 06:53:07,785 INFO L185 CegarLoopUtils]: At program point L408-1(lines 408 414) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:07,785 INFO L189 CegarLoopUtils]: For program point L260(lines 260 268) no Hoare annotation was computed. [2020-12-22 06:53:07,785 INFO L189 CegarLoopUtils]: For program point L260-1(lines 260 268) no Hoare annotation was computed. [2020-12-22 06:53:07,786 INFO L189 CegarLoopUtils]: For program point L260-2(lines 260 268) no Hoare annotation was computed. [2020-12-22 06:53:07,786 INFO L189 CegarLoopUtils]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-12-22 06:53:07,786 INFO L189 CegarLoopUtils]: For program point L376-2(lines 376 380) no Hoare annotation was computed. [2020-12-22 06:53:07,786 INFO L189 CegarLoopUtils]: For program point L376-3(lines 376 380) no Hoare annotation was computed. [2020-12-22 06:53:07,786 INFO L189 CegarLoopUtils]: For program point L376-5(lines 376 380) no Hoare annotation was computed. [2020-12-22 06:53:07,786 INFO L189 CegarLoopUtils]: For program point L376-6(lines 376 380) no Hoare annotation was computed. [2020-12-22 06:53:07,786 INFO L189 CegarLoopUtils]: For program point L376-8(lines 376 380) no Hoare annotation was computed. [2020-12-22 06:53:07,787 INFO L189 CegarLoopUtils]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-12-22 06:53:07,787 INFO L185 CegarLoopUtils]: At program point L327(lines 322 330) 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 06:53:07,787 INFO L185 CegarLoopUtils]: At program point L327-1(lines 322 330) the Hoare annotation is: false [2020-12-22 06:53:07,787 INFO L185 CegarLoopUtils]: At program point L327-2(lines 322 330) the Hoare annotation is: false [2020-12-22 06:53:07,787 INFO L185 CegarLoopUtils]: At program point L163(lines 1 913) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:53:07,788 INFO L185 CegarLoopUtils]: At program point L444(lines 397 445) the Hoare annotation is: false [2020-12-22 06:53:07,788 INFO L189 CegarLoopUtils]: For program point L428(lines 428 439) no Hoare annotation was computed. [2020-12-22 06:53:07,788 INFO L192 CegarLoopUtils]: At program point L544(lines 525 547) the Hoare annotation is: true [2020-12-22 06:53:07,788 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:53:07,788 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 208) no Hoare annotation was computed. [2020-12-22 06:53:07,788 INFO L185 CegarLoopUtils]: At program point L231(lines 231 237) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:07,789 INFO L185 CegarLoopUtils]: At program point L231-1(lines 231 237) the Hoare annotation is: false [2020-12-22 06:53:07,789 INFO L185 CegarLoopUtils]: At program point L231-2(lines 231 237) the Hoare annotation is: false [2020-12-22 06:53:07,789 INFO L185 CegarLoopUtils]: At program point L512(lines 508 514) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:53:07,789 INFO L185 CegarLoopUtils]: At program point L133(lines 128 136) the Hoare annotation is: false [2020-12-22 06:53:07,789 INFO L185 CegarLoopUtils]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2020-12-22 06:53:07,789 INFO L189 CegarLoopUtils]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-12-22 06:53:07,790 INFO L185 CegarLoopUtils]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2020-12-22 06:53:07,790 INFO L185 CegarLoopUtils]: At program point L464-2(lines 464 478) the Hoare annotation is: false [2020-12-22 06:53:07,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:53:07 BoogieIcfgContainer [2020-12-22 06:53:07,811 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:53:07,811 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:53:07,811 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:53:07,812 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:53:07,812 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:06" (3/4) ... [2020-12-22 06:53:07,816 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:53:07,831 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:53:07,832 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:53:07,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:53:07,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:53:07,834 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:53:07,835 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:53:07,835 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:53:07,897 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:53:08,001 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec1_product25.cil.c-witness.graphml [2020-12-22 06:53:08,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:53:08,004 INFO L168 Benchmark]: Toolchain (without parser) took 3712.07 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 125.6 MB in the beginning and 157.7 MB in the end (delta: -32.1 MB). Peak memory consumption was 82.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:08,005 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 123.6 MB in the end (delta: 77.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:53:08,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.20 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 105.0 MB in the end (delta: 20.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:08,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.59 ms. Allocated memory is still 151.0 MB. Free memory was 105.0 MB in the beginning and 102.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:08,006 INFO L168 Benchmark]: Boogie Preprocessor took 72.70 ms. Allocated memory is still 151.0 MB. Free memory was 102.0 MB in the beginning and 99.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:08,007 INFO L168 Benchmark]: RCFGBuilder took 1081.53 ms. Allocated memory is still 151.0 MB. Free memory was 133.6 MB in the beginning and 82.4 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:08,007 INFO L168 Benchmark]: TraceAbstraction took 1699.04 ms. Allocated memory is still 151.0 MB. Free memory was 81.9 MB in the beginning and 51.4 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:08,008 INFO L168 Benchmark]: Witness Printer took 190.60 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 51.4 MB in the beginning and 157.7 MB in the end (delta: -106.3 MB). Peak memory consumption was 7.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:08,010 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 151.0 MB. Free memory was 123.7 MB in the beginning and 123.6 MB in the end (delta: 77.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 565.20 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 105.0 MB in the end (delta: 20.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 78.59 ms. Allocated memory is still 151.0 MB. Free memory was 105.0 MB in the beginning and 102.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 72.70 ms. Allocated memory is still 151.0 MB. Free memory was 102.0 MB in the beginning and 99.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1081.53 ms. Allocated memory is still 151.0 MB. Free memory was 133.6 MB in the beginning and 82.4 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1699.04 ms. Allocated memory is still 151.0 MB. Free memory was 81.9 MB in the beginning and 51.4 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 8.0 GB. * Witness Printer took 190.60 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 51.4 MB in the beginning and 157.7 MB in the end (delta: -106.3 MB). Peak memory consumption was 7.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 208]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 208]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 208]: 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: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 311 SDtfs, 299 SDslu, 264 SDs, 0 SdLazy, 39 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred 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, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1021 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 28 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4477 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...