/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_spec2_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:26,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:26,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:26,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:54:26,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:54:26,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:54:26,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:54:26,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:54:26,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:54:26,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:54:26,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:54:26,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:54:26,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:26,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:26,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:26,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:26,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:26,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:26,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:26,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:26,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:26,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:26,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:26,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:26,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:54:26,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:54:26,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:54:26,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:54:26,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:54:26,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:54:26,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:54:26,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:54:26,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:54:26,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:26,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:26,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:26,681 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:26,732 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:26,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:26,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:26,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:26,737 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:26,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:26,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:26,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:26,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:26,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:26,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:26,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:26,740 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:26,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:26,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:26,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:26,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:26,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:26,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:26,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:26,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:26,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:26,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:26,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:26,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:26,743 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:27,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:27,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:27,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:27,147 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:27,148 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:27,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2020-12-22 06:54:27,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d782f8daf/aef5846c27e74b2fabec76de844feeec/FLAG94f6f928c [2020-12-22 06:54:27,826 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:27,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2020-12-22 06:54:27,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d782f8daf/aef5846c27e74b2fabec76de844feeec/FLAG94f6f928c [2020-12-22 06:54:28,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d782f8daf/aef5846c27e74b2fabec76de844feeec [2020-12-22 06:54:28,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:28,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:28,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:28,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:28,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:28,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c5c6fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28, skipping insertion in model container [2020-12-22 06:54:28,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:28,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:28,585 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_spec2_product25.cil.c[7481,7494] [2020-12-22 06:54:28,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:28,660 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:54:28,707 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_spec2_product25.cil.c[7481,7494] [2020-12-22 06:54:28,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:28,787 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:54:28,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28 WrapperNode [2020-12-22 06:54:28,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:28,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:28,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:54:28,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:54:28,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:28,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:54:28,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:54:28,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:54:28,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (1/1) ... [2020-12-22 06:54:28,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:54:28,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:54:28,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:54:28,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:54:28,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:54:29,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:54:29,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:54:29,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:54:29,954 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:54:29,955 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2020-12-22 06:54:29,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:29 BoogieIcfgContainer [2020-12-22 06:54:29,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:54:29,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:54:29,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:54:29,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:54:29,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:28" (1/3) ... [2020-12-22 06:54:29,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31133aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:29, skipping insertion in model container [2020-12-22 06:54:29,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:28" (2/3) ... [2020-12-22 06:54:29,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31133aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:29, skipping insertion in model container [2020-12-22 06:54:29,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:29" (3/3) ... [2020-12-22 06:54:29,971 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2020-12-22 06:54:29,978 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:54:29,984 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:54:30,003 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:54:30,045 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:54:30,045 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:54:30,045 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:54:30,046 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:54:30,048 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:54:30,048 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:54:30,048 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:54:30,048 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:54:30,068 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2020-12-22 06:54:30,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:54:30,075 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:30,076 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:30,077 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:30,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:30,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1001432226, now seen corresponding path program 1 times [2020-12-22 06:54:30,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:30,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051167067] [2020-12-22 06:54:30,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:30,449 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 06:54:30,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051167067] [2020-12-22 06:54:30,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:30,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:30,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009624586] [2020-12-22 06:54:30,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:54:30,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:30,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:54:30,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:30,473 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 2 states. [2020-12-22 06:54:30,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:30,504 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2020-12-22 06:54:30,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:54:30,505 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:54:30,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:30,517 INFO L225 Difference]: With dead ends: 151 [2020-12-22 06:54:30,517 INFO L226 Difference]: Without dead ends: 75 [2020-12-22 06:54:30,521 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 06:54:30,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-12-22 06:54:30,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-12-22 06:54:30,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-22 06:54:30,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2020-12-22 06:54:30,567 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2020-12-22 06:54:30,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:30,568 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2020-12-22 06:54:30,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:54:30,568 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-12-22 06:54:30,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:54:30,569 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:30,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:30,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:54:30,570 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:30,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:30,571 INFO L82 PathProgramCache]: Analyzing trace with hash -434799197, now seen corresponding path program 1 times [2020-12-22 06:54:30,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:30,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435230151] [2020-12-22 06:54:30,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:30,688 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 06:54:30,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435230151] [2020-12-22 06:54:30,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:30,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:30,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325603303] [2020-12-22 06:54:30,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:30,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:30,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:30,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:30,694 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2020-12-22 06:54:30,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:30,714 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2020-12-22 06:54:30,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:30,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:54:30,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:30,718 INFO L225 Difference]: With dead ends: 75 [2020-12-22 06:54:30,718 INFO L226 Difference]: Without dead ends: 35 [2020-12-22 06:54:30,720 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 06:54:30,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-22 06:54:30,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-12-22 06:54:30,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-12-22 06:54:30,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-12-22 06:54:30,732 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-12-22 06:54:30,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:30,733 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-12-22 06:54:30,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:30,733 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-12-22 06:54:30,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:30,736 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:30,736 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 06:54:30,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:54:30,737 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:30,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:30,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1568486346, now seen corresponding path program 1 times [2020-12-22 06:54:30,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:30,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086304889] [2020-12-22 06:54:30,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:30,860 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 06:54:30,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086304889] [2020-12-22 06:54:30,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:30,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:30,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335925519] [2020-12-22 06:54:30,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:30,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:30,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:30,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:30,863 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-12-22 06:54:30,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:30,871 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2020-12-22 06:54:30,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:30,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:54:30,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:30,873 INFO L225 Difference]: With dead ends: 63 [2020-12-22 06:54:30,873 INFO L226 Difference]: Without dead ends: 35 [2020-12-22 06:54:30,874 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 06:54:30,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-22 06:54:30,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-12-22 06:54:30,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-12-22 06:54:30,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2020-12-22 06:54:30,878 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2020-12-22 06:54:30,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:30,879 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2020-12-22 06:54:30,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:30,879 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2020-12-22 06:54:30,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:54:30,880 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:30,880 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 06:54:30,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:54:30,881 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:30,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:30,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1679469095, now seen corresponding path program 1 times [2020-12-22 06:54:30,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:30,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940090056] [2020-12-22 06:54:30,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:30,965 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 06:54:30,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940090056] [2020-12-22 06:54:30,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:30,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:30,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191125905] [2020-12-22 06:54:30,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:30,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:30,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:30,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:30,968 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2020-12-22 06:54:31,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:31,066 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2020-12-22 06:54:31,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:54:31,068 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:54:31,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:31,072 INFO L225 Difference]: With dead ends: 154 [2020-12-22 06:54:31,072 INFO L226 Difference]: Without dead ends: 126 [2020-12-22 06:54:31,074 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 06:54:31,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-12-22 06:54:31,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2020-12-22 06:54:31,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-12-22 06:54:31,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2020-12-22 06:54:31,100 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2020-12-22 06:54:31,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:31,100 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2020-12-22 06:54:31,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:31,100 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2020-12-22 06:54:31,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:54:31,101 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:31,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:31,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:54:31,103 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:31,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:31,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1573698991, now seen corresponding path program 1 times [2020-12-22 06:54:31,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:31,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156658630] [2020-12-22 06:54:31,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:31,199 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 06:54:31,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156658630] [2020-12-22 06:54:31,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:31,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:31,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962706341] [2020-12-22 06:54:31,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:31,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:31,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:31,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:31,202 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2020-12-22 06:54:31,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:31,254 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2020-12-22 06:54:31,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:31,254 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-22 06:54:31,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:31,255 INFO L225 Difference]: With dead ends: 150 [2020-12-22 06:54:31,255 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:54:31,256 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 06:54:31,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:54:31,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:54:31,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:54:31,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:54:31,257 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-12-22 06:54:31,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:31,258 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:54:31,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:31,258 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:54:31,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:54:31,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:54:31,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:54:31,452 INFO L189 CegarLoopUtils]: For program point L547-2(lines 547 553) no Hoare annotation was computed. [2020-12-22 06:54:31,452 INFO L189 CegarLoopUtils]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-12-22 06:54:31,452 INFO L189 CegarLoopUtils]: For program point L547-4(lines 547 553) no Hoare annotation was computed. [2020-12-22 06:54:31,452 INFO L189 CegarLoopUtils]: For program point L415-2(lines 415 419) no Hoare annotation was computed. [2020-12-22 06:54:31,453 INFO L189 CegarLoopUtils]: For program point L415-3(lines 415 419) no Hoare annotation was computed. [2020-12-22 06:54:31,453 INFO L189 CegarLoopUtils]: For program point L415-5(lines 415 419) no Hoare annotation was computed. [2020-12-22 06:54:31,453 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 520) no Hoare annotation was computed. [2020-12-22 06:54:31,453 INFO L189 CegarLoopUtils]: For program point L415-6(lines 415 419) no Hoare annotation was computed. [2020-12-22 06:54:31,453 INFO L189 CegarLoopUtils]: For program point L415-8(lines 415 419) no Hoare annotation was computed. [2020-12-22 06:54:31,454 INFO L185 CegarLoopUtils]: At program point L531(lines 526 533) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:31,454 INFO L185 CegarLoopUtils]: At program point L366(lines 361 369) 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 06:54:31,454 INFO L185 CegarLoopUtils]: At program point L366-1(lines 361 369) the Hoare annotation is: false [2020-12-22 06:54:31,454 INFO L185 CegarLoopUtils]: At program point L366-2(lines 361 369) the Hoare annotation is: false [2020-12-22 06:54:31,454 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:54:31,455 INFO L189 CegarLoopUtils]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-12-22 06:54:31,455 INFO L189 CegarLoopUtils]: For program point L433-3(lines 433 437) no Hoare annotation was computed. [2020-12-22 06:54:31,455 INFO L189 CegarLoopUtils]: For program point L433-6(lines 433 437) no Hoare annotation was computed. [2020-12-22 06:54:31,455 INFO L185 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-12-22 06:54:31,455 INFO L189 CegarLoopUtils]: For program point L203(lines 203 209) no Hoare annotation was computed. [2020-12-22 06:54:31,455 INFO L185 CegarLoopUtils]: At program point L170(lines 1 928) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:31,455 INFO L185 CegarLoopUtils]: At program point L203-1(lines 203 209) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:31,456 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-22 06:54:31,456 INFO L185 CegarLoopUtils]: At program point L270(lines 270 276) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:31,456 INFO L185 CegarLoopUtils]: At program point L270-1(lines 270 276) the Hoare annotation is: false [2020-12-22 06:54:31,456 INFO L185 CegarLoopUtils]: At program point L270-2(lines 270 276) the Hoare annotation is: false [2020-12-22 06:54:31,456 INFO L185 CegarLoopUtils]: At program point L105(lines 101 107) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:31,457 INFO L185 CegarLoopUtils]: At program point L470(lines 465 473) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:31,457 INFO L185 CegarLoopUtils]: At program point L470-1(lines 465 473) the Hoare annotation is: false [2020-12-22 06:54:31,457 INFO L185 CegarLoopUtils]: At program point L470-2(lines 465 473) the Hoare annotation is: false [2020-12-22 06:54:31,457 INFO L185 CegarLoopUtils]: At program point L239(lines 192 240) the Hoare annotation is: false [2020-12-22 06:54:31,457 INFO L189 CegarLoopUtils]: For program point L520(line 520) no Hoare annotation was computed. [2020-12-22 06:54:31,457 INFO L189 CegarLoopUtils]: For program point L520-1(line 520) no Hoare annotation was computed. [2020-12-22 06:54:31,458 INFO L189 CegarLoopUtils]: For program point L520-2(line 520) no Hoare annotation was computed. [2020-12-22 06:54:31,458 INFO L185 CegarLoopUtils]: At program point L421(lines 406 424) the Hoare annotation is: false [2020-12-22 06:54:31,458 INFO L185 CegarLoopUtils]: At program point L421-1(lines 406 424) the Hoare annotation is: false [2020-12-22 06:54:31,458 INFO L185 CegarLoopUtils]: At program point L421-2(lines 406 424) the Hoare annotation is: false [2020-12-22 06:54:31,458 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:54:31,458 INFO L189 CegarLoopUtils]: For program point L223(lines 223 234) no Hoare annotation was computed. [2020-12-22 06:54:31,458 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-12-22 06:54:31,459 INFO L189 CegarLoopUtils]: For program point L58-1(lines 263 269) no Hoare annotation was computed. [2020-12-22 06:54:31,459 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 520) no Hoare annotation was computed. [2020-12-22 06:54:31,459 INFO L192 CegarLoopUtils]: At program point L143(lines 124 146) the Hoare annotation is: true [2020-12-22 06:54:31,459 INFO L189 CegarLoopUtils]: For program point L457(lines 457 461) no Hoare annotation was computed. [2020-12-22 06:54:31,459 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:54:31,459 INFO L189 CegarLoopUtils]: For program point L194(lines 193 238) no Hoare annotation was computed. [2020-12-22 06:54:31,460 INFO L185 CegarLoopUtils]: At program point L178(lines 173 181) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:31,460 INFO L189 CegarLoopUtils]: For program point L195(lines 195 199) no Hoare annotation was computed. [2020-12-22 06:54:31,460 INFO L189 CegarLoopUtils]: For program point L542(lines 542 559) no Hoare annotation was computed. [2020-12-22 06:54:31,460 INFO L185 CegarLoopUtils]: At program point L542-1(lines 1 928) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:31,460 INFO L189 CegarLoopUtils]: For program point L542-2(lines 542 559) no Hoare annotation was computed. [2020-12-22 06:54:31,460 INFO L185 CegarLoopUtils]: At program point L542-3(lines 1 928) the Hoare annotation is: false [2020-12-22 06:54:31,461 INFO L189 CegarLoopUtils]: For program point L542-4(lines 542 559) no Hoare annotation was computed. [2020-12-22 06:54:31,461 INFO L185 CegarLoopUtils]: At program point L542-5(lines 1 928) the Hoare annotation is: false [2020-12-22 06:54:31,461 INFO L189 CegarLoopUtils]: For program point L295(lines 295 312) no Hoare annotation was computed. [2020-12-22 06:54:31,461 INFO L189 CegarLoopUtils]: For program point L295-1(lines 295 312) no Hoare annotation was computed. [2020-12-22 06:54:31,461 INFO L189 CegarLoopUtils]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-12-22 06:54:31,461 INFO L189 CegarLoopUtils]: For program point L295-2(lines 295 312) no Hoare annotation was computed. [2020-12-22 06:54:31,461 INFO L189 CegarLoopUtils]: For program point L229-2(lines 263 269) no Hoare annotation was computed. [2020-12-22 06:54:31,462 INFO L189 CegarLoopUtils]: For program point L213(lines 213 219) no Hoare annotation was computed. [2020-12-22 06:54:31,462 INFO L185 CegarLoopUtils]: At program point L213-1(lines 213 219) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:31,462 INFO L185 CegarLoopUtils]: At program point L263(lines 262 281) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:54:31,462 INFO L189 CegarLoopUtils]: For program point L263-1(lines 263 269) no Hoare annotation was computed. [2020-12-22 06:54:31,462 INFO L185 CegarLoopUtils]: At program point L263-2(lines 262 281) the Hoare annotation is: false [2020-12-22 06:54:31,462 INFO L185 CegarLoopUtils]: At program point L263-3(lines 262 281) the Hoare annotation is: false [2020-12-22 06:54:31,463 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:54:31,463 INFO L185 CegarLoopUtils]: At program point L511(lines 506 514) the Hoare annotation is: false [2020-12-22 06:54:31,463 INFO L185 CegarLoopUtils]: At program point L511-1(lines 506 514) the Hoare annotation is: false [2020-12-22 06:54:31,463 INFO L189 CegarLoopUtils]: For program point L445(lines 445 449) no Hoare annotation was computed. [2020-12-22 06:54:31,463 INFO L185 CegarLoopUtils]: At program point L511-2(lines 506 514) the Hoare annotation is: false [2020-12-22 06:54:31,463 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 520) no Hoare annotation was computed. [2020-12-22 06:54:31,463 INFO L189 CegarLoopUtils]: For program point L546(lines 546 556) no Hoare annotation was computed. [2020-12-22 06:54:31,464 INFO L189 CegarLoopUtils]: For program point L546-2(lines 546 556) no Hoare annotation was computed. [2020-12-22 06:54:31,464 INFO L189 CegarLoopUtils]: For program point L546-4(lines 546 556) no Hoare annotation was computed. [2020-12-22 06:54:31,464 INFO L189 CegarLoopUtils]: For program point L299(lines 299 307) no Hoare annotation was computed. [2020-12-22 06:54:31,464 INFO L189 CegarLoopUtils]: For program point L299-1(lines 299 307) no Hoare annotation was computed. [2020-12-22 06:54:31,464 INFO L189 CegarLoopUtils]: For program point L299-2(lines 299 307) no Hoare annotation was computed. [2020-12-22 06:54:31,464 INFO L189 CegarLoopUtils]: For program point L134(lines 134 141) no Hoare annotation was computed. [2020-12-22 06:54:31,464 INFO L192 CegarLoopUtils]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2020-12-22 06:54:31,465 INFO L189 CegarLoopUtils]: For program point L547(lines 547 553) no Hoare annotation was computed. [2020-12-22 06:54:31,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:54:31 BoogieIcfgContainer [2020-12-22 06:54:31,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:54:31,485 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:54:31,485 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:54:31,486 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:54:31,486 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:29" (3/4) ... [2020-12-22 06:54:31,490 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:54:31,506 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:54:31,507 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:54:31,507 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:54:31,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:54:31,509 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:54:31,509 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:31,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:31,542 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:54:31,603 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product25.cil.c-witness.graphml [2020-12-22 06:54:31,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:54:31,606 INFO L168 Benchmark]: Toolchain (without parser) took 3449.20 ms. Allocated memory is still 158.3 MB. Free memory was 133.4 MB in the beginning and 56.3 MB in the end (delta: 77.1 MB). Peak memory consumption was 77.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:31,606 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 158.3 MB. Free memory is still 132.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:54:31,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.35 ms. Allocated memory is still 158.3 MB. Free memory was 133.2 MB in the beginning and 112.2 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:31,607 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.14 ms. Allocated memory is still 158.3 MB. Free memory was 112.2 MB in the beginning and 109.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:31,608 INFO L168 Benchmark]: Boogie Preprocessor took 46.82 ms. Allocated memory is still 158.3 MB. Free memory was 109.1 MB in the beginning and 107.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:31,608 INFO L168 Benchmark]: RCFGBuilder took 981.41 ms. Allocated memory is still 158.3 MB. Free memory was 107.0 MB in the beginning and 89.4 MB in the end (delta: 17.5 MB). Peak memory consumption was 16.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:31,609 INFO L168 Benchmark]: TraceAbstraction took 1526.52 ms. Allocated memory is still 158.3 MB. Free memory was 89.4 MB in the beginning and 63.2 MB in the end (delta: 26.3 MB). Peak memory consumption was 28.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:31,609 INFO L168 Benchmark]: Witness Printer took 118.58 ms. Allocated memory is still 158.3 MB. Free memory was 63.2 MB in the beginning and 56.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:31,611 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 158.3 MB. Free memory is still 132.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 634.35 ms. Allocated memory is still 158.3 MB. Free memory was 133.2 MB in the beginning and 112.2 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 133.14 ms. Allocated memory is still 158.3 MB. Free memory was 112.2 MB in the beginning and 109.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 46.82 ms. Allocated memory is still 158.3 MB. Free memory was 109.1 MB in the beginning and 107.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 981.41 ms. Allocated memory is still 158.3 MB. Free memory was 107.0 MB in the beginning and 89.4 MB in the end (delta: 17.5 MB). Peak memory consumption was 16.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1526.52 ms. Allocated memory is still 158.3 MB. Free memory was 89.4 MB in the beginning and 63.2 MB in the end (delta: 26.3 MB). Peak memory consumption was 28.4 MB. Max. memory is 8.0 GB. * Witness Printer took 118.58 ms. Allocated memory is still 158.3 MB. Free memory was 63.2 MB in the beginning and 56.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 520]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 520]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 520]: 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: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 79 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 328 SDtfs, 284 SDslu, 294 SDs, 0 SdLazy, 41 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred 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, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1049 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 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...