./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:37:37,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:37:37,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:37:37,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:37:37,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:37:37,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:37:37,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:37:37,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:37:37,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:37:37,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:37:37,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:37:37,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:37:37,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:37:37,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:37:37,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:37:37,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:37:37,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:37:37,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:37:37,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:37:37,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:37:37,165 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:37:37,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:37:37,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:37:37,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:37:37,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:37:37,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:37:37,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:37:37,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:37:37,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:37:37,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:37:37,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:37:37,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:37:37,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:37:37,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:37:37,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:37:37,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:37:37,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:37:37,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:37:37,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:37:37,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:37:37,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:37:37,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:37:37,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:37:37,203 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:37:37,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:37:37,204 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:37:37,204 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:37:37,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:37:37,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:37:37,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:37:37,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:37:37,206 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:37:37,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:37:37,206 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:37:37,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:37:37,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:37:37,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:37:37,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:37:37,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:37:37,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:37:37,207 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:37:37,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:37:37,208 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:37:37,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:37:37,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:37:37,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:37:37,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:37:37,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:37:37,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:37:37,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:37:37,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:37:37,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:37:37,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:37:37,210 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:37:37,210 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:37:37,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:37:37,211 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 [2022-07-22 17:37:37,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:37:37,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:37:37,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:37:37,421 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:37:37,422 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:37:37,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2022-07-22 17:37:37,483 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519889854/b8e96bb0d042476d90796a581fe1b3e5/FLAG6c5728839 [2022-07-22 17:37:37,837 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:37:37,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2022-07-22 17:37:37,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519889854/b8e96bb0d042476d90796a581fe1b3e5/FLAG6c5728839 [2022-07-22 17:37:38,217 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519889854/b8e96bb0d042476d90796a581fe1b3e5 [2022-07-22 17:37:38,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:37:38,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:37:38,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:37:38,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:37:38,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:37:38,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:37:38" (1/1) ... [2022-07-22 17:37:38,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12acf902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:38, skipping insertion in model container [2022-07-22 17:37:38,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:37:38" (1/1) ... [2022-07-22 17:37:38,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:37:38,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:37:38,415 WARN L230 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_product31.cil.c[2627,2640] [2022-07-22 17:37:38,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:37:38,539 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:37:38,560 WARN L230 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_product31.cil.c[2627,2640] [2022-07-22 17:37:38,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:37:38,618 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:37:38,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:38 WrapperNode [2022-07-22 17:37:38,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:37:38,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:37:38,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:37:38,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:37:38,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:38" (1/1) ... [2022-07-22 17:37:38,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:38" (1/1) ... [2022-07-22 17:37:38,683 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 235 [2022-07-22 17:37:38,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:37:38,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:37:38,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:37:38,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:37:38,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:38" (1/1) ... [2022-07-22 17:37:38,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:38" (1/1) ... [2022-07-22 17:37:38,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:38" (1/1) ... [2022-07-22 17:37:38,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:38" (1/1) ... [2022-07-22 17:37:38,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:38" (1/1) ... [2022-07-22 17:37:38,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:38" (1/1) ... [2022-07-22 17:37:38,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:38" (1/1) ... [2022-07-22 17:37:38,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:37:38,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:37:38,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:37:38,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:37:38,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:38" (1/1) ... [2022-07-22 17:37:38,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:37:38,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:37:38,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 17:37:38,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 17:37:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:37:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-22 17:37:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-22 17:37:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-22 17:37:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-22 17:37:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-22 17:37:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-22 17:37:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-22 17:37:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-22 17:37:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-22 17:37:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-22 17:37:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-22 17:37:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-22 17:37:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-22 17:37:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-22 17:37:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-22 17:37:38,789 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-22 17:37:38,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:37:38,789 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-22 17:37:38,789 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-22 17:37:38,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:37:38,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:37:38,851 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:37:38,852 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:37:39,091 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:37:39,097 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:37:39,107 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 17:37:39,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:39 BoogieIcfgContainer [2022-07-22 17:37:39,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:37:39,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:37:39,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:37:39,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:37:39,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:37:38" (1/3) ... [2022-07-22 17:37:39,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d12bc9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:37:39, skipping insertion in model container [2022-07-22 17:37:39,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:38" (2/3) ... [2022-07-22 17:37:39,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d12bc9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:37:39, skipping insertion in model container [2022-07-22 17:37:39,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:39" (3/3) ... [2022-07-22 17:37:39,116 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2022-07-22 17:37:39,125 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:37:39,126 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:37:39,160 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:37:39,165 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7b7b54c7, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4c43a91e [2022-07-22 17:37:39,165 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:37:39,168 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 79 states have internal predecessors, (96), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2022-07-22 17:37:39,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-22 17:37:39,175 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:39,176 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:37:39,176 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:39,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:39,180 INFO L85 PathProgramCache]: Analyzing trace with hash -255252744, now seen corresponding path program 1 times [2022-07-22 17:37:39,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:39,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725392844] [2022-07-22 17:37:39,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:39,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:39,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-22 17:37:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:39,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:39,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:39,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725392844] [2022-07-22 17:37:39,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725392844] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:39,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:39,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 17:37:39,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111869629] [2022-07-22 17:37:39,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:39,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:37:39,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:39,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:37:39,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:37:39,424 INFO L87 Difference]: Start difference. First operand has 97 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 79 states have internal predecessors, (96), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:39,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:39,463 INFO L93 Difference]: Finished difference Result 185 states and 250 transitions. [2022-07-22 17:37:39,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:37:39,464 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-22 17:37:39,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:39,474 INFO L225 Difference]: With dead ends: 185 [2022-07-22 17:37:39,474 INFO L226 Difference]: Without dead ends: 88 [2022-07-22 17:37:39,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:37:39,480 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:39,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:39,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-07-22 17:37:39,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-07-22 17:37:39,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 71 states have internal predecessors, (82), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-22 17:37:39,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2022-07-22 17:37:39,525 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 113 transitions. Word has length 25 [2022-07-22 17:37:39,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:39,525 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 113 transitions. [2022-07-22 17:37:39,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:39,526 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2022-07-22 17:37:39,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-22 17:37:39,529 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:39,529 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:37:39,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 17:37:39,530 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:39,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:39,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1869248240, now seen corresponding path program 1 times [2022-07-22 17:37:39,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:39,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614784515] [2022-07-22 17:37:39,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:39,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:39,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 17:37:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:39,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:39,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:39,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614784515] [2022-07-22 17:37:39,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614784515] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:39,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:39,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:37:39,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22877815] [2022-07-22 17:37:39,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:39,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:37:39,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:39,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:37:39,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:37:39,651 INFO L87 Difference]: Start difference. First operand 88 states and 113 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:39,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:39,663 INFO L93 Difference]: Finished difference Result 137 states and 175 transitions. [2022-07-22 17:37:39,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:37:39,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-22 17:37:39,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:39,666 INFO L225 Difference]: With dead ends: 137 [2022-07-22 17:37:39,667 INFO L226 Difference]: Without dead ends: 79 [2022-07-22 17:37:39,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:37:39,671 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 16 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:39,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 179 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:39,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-07-22 17:37:39,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-07-22 17:37:39,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 65 states have internal predecessors, (75), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-22 17:37:39,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2022-07-22 17:37:39,684 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 26 [2022-07-22 17:37:39,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:39,685 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2022-07-22 17:37:39,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:39,686 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2022-07-22 17:37:39,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-22 17:37:39,688 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:39,688 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:39,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 17:37:39,688 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:39,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:39,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1012211940, now seen corresponding path program 1 times [2022-07-22 17:37:39,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:39,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168893168] [2022-07-22 17:37:39,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:39,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:39,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:37:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:39,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:39,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:39,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168893168] [2022-07-22 17:37:39,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168893168] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:39,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:39,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:37:39,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295724652] [2022-07-22 17:37:39,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:39,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:37:39,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:39,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:37:39,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:37:39,746 INFO L87 Difference]: Start difference. First operand 79 states and 101 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:39,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:39,862 INFO L93 Difference]: Finished difference Result 263 states and 344 transitions. [2022-07-22 17:37:39,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 17:37:39,863 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-07-22 17:37:39,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:39,864 INFO L225 Difference]: With dead ends: 263 [2022-07-22 17:37:39,865 INFO L226 Difference]: Without dead ends: 192 [2022-07-22 17:37:39,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-22 17:37:39,866 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 210 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:39,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 491 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:37:39,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-07-22 17:37:39,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 186. [2022-07-22 17:37:39,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 133 states have (on average 1.3533834586466165) internal successors, (180), 151 states have internal predecessors, (180), 31 states have call successors, (31), 21 states have call predecessors, (31), 21 states have return successors, (32), 21 states have call predecessors, (32), 31 states have call successors, (32) [2022-07-22 17:37:39,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 243 transitions. [2022-07-22 17:37:39,882 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 243 transitions. Word has length 30 [2022-07-22 17:37:39,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:39,882 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 243 transitions. [2022-07-22 17:37:39,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:39,882 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 243 transitions. [2022-07-22 17:37:39,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-22 17:37:39,883 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:39,883 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:39,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 17:37:39,884 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:39,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:39,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1859613018, now seen corresponding path program 1 times [2022-07-22 17:37:39,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:39,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134076861] [2022-07-22 17:37:39,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:39,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:39,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:37:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:39,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:39,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:39,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134076861] [2022-07-22 17:37:39,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134076861] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:39,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:39,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:37:39,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48972940] [2022-07-22 17:37:39,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:39,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:37:39,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:39,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:37:39,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:37:39,932 INFO L87 Difference]: Start difference. First operand 186 states and 243 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:39,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:39,997 INFO L93 Difference]: Finished difference Result 540 states and 717 transitions. [2022-07-22 17:37:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 17:37:39,998 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-07-22 17:37:39,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:40,001 INFO L225 Difference]: With dead ends: 540 [2022-07-22 17:37:40,001 INFO L226 Difference]: Without dead ends: 362 [2022-07-22 17:37:40,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:37:40,002 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 69 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:40,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 497 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:40,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-07-22 17:37:40,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 353. [2022-07-22 17:37:40,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 248 states have (on average 1.3306451612903225) internal successors, (330), 283 states have internal predecessors, (330), 62 states have call successors, (62), 42 states have call predecessors, (62), 42 states have return successors, (67), 42 states have call predecessors, (67), 62 states have call successors, (67) [2022-07-22 17:37:40,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 459 transitions. [2022-07-22 17:37:40,024 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 459 transitions. Word has length 34 [2022-07-22 17:37:40,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:40,025 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 459 transitions. [2022-07-22 17:37:40,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 459 transitions. [2022-07-22 17:37:40,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-22 17:37:40,027 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:40,027 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:40,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 17:37:40,027 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:40,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:40,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1437913570, now seen corresponding path program 1 times [2022-07-22 17:37:40,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:40,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632120283] [2022-07-22 17:37:40,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:40,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:40,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 17:37:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:40,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:37:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:40,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:40,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:40,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632120283] [2022-07-22 17:37:40,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632120283] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:40,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:40,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:37:40,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931207505] [2022-07-22 17:37:40,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:40,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:37:40,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:40,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:37:40,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:37:40,075 INFO L87 Difference]: Start difference. First operand 353 states and 459 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:37:40,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:40,176 INFO L93 Difference]: Finished difference Result 598 states and 783 transitions. [2022-07-22 17:37:40,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 17:37:40,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2022-07-22 17:37:40,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:40,177 INFO L225 Difference]: With dead ends: 598 [2022-07-22 17:37:40,177 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 17:37:40,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:37:40,178 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 54 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:40,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 131 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:37:40,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 17:37:40,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 17:37:40,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 17:37:40,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 17:37:40,180 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-07-22 17:37:40,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:40,180 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 17:37:40,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:37:40,180 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 17:37:40,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 17:37:40,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 17:37:40,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 17:37:40,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 17:37:40,650 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 251 258) the Hoare annotation is: true [2022-07-22 17:37:40,650 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 251 258) no Hoare annotation was computed. [2022-07-22 17:37:40,650 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 251 258) no Hoare annotation was computed. [2022-07-22 17:37:40,650 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 167 173) no Hoare annotation was computed. [2022-07-22 17:37:40,650 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 167 173) the Hoare annotation is: true [2022-07-22 17:37:40,651 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 917 928) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-07-22 17:37:40,651 INFO L899 garLoopResultBuilder]: For program point L921-1(lines 917 928) no Hoare annotation was computed. [2022-07-22 17:37:40,651 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 917 928) no Hoare annotation was computed. [2022-07-22 17:37:40,651 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 929 937) the Hoare annotation is: true [2022-07-22 17:37:40,651 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 929 937) no Hoare annotation was computed. [2022-07-22 17:37:40,651 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 929 937) no Hoare annotation was computed. [2022-07-22 17:37:40,651 INFO L902 garLoopResultBuilder]: At program point L800(line 800) the Hoare annotation is: true [2022-07-22 17:37:40,651 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 794 823) no Hoare annotation was computed. [2022-07-22 17:37:40,651 INFO L899 garLoopResultBuilder]: For program point L800-1(line 800) no Hoare annotation was computed. [2022-07-22 17:37:40,651 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 794 823) the Hoare annotation is: true [2022-07-22 17:37:40,651 INFO L902 garLoopResultBuilder]: At program point L819(lines 794 823) the Hoare annotation is: true [2022-07-22 17:37:40,651 INFO L899 garLoopResultBuilder]: For program point L815(line 815) no Hoare annotation was computed. [2022-07-22 17:37:40,651 INFO L899 garLoopResultBuilder]: For program point L808(lines 808 812) no Hoare annotation was computed. [2022-07-22 17:37:40,651 INFO L902 garLoopResultBuilder]: At program point L808-1(lines 808 812) the Hoare annotation is: true [2022-07-22 17:37:40,651 INFO L899 garLoopResultBuilder]: For program point L805(line 805) no Hoare annotation was computed. [2022-07-22 17:37:40,651 INFO L902 garLoopResultBuilder]: At program point L804-2(lines 804 818) the Hoare annotation is: true [2022-07-22 17:37:40,652 INFO L899 garLoopResultBuilder]: For program point L126(line 126) no Hoare annotation was computed. [2022-07-22 17:37:40,652 INFO L895 garLoopResultBuilder]: At program point L275(lines 270 278) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2022-07-22 17:37:40,652 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 146 165) no Hoare annotation was computed. [2022-07-22 17:37:40,652 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 217) no Hoare annotation was computed. [2022-07-22 17:37:40,652 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 222) no Hoare annotation was computed. [2022-07-22 17:37:40,652 INFO L899 garLoopResultBuilder]: For program point L775(lines 775 785) no Hoare annotation was computed. [2022-07-22 17:37:40,652 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 143 166) no Hoare annotation was computed. [2022-07-22 17:37:40,652 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 788) no Hoare annotation was computed. [2022-07-22 17:37:40,652 INFO L895 garLoopResultBuilder]: At program point L771-1(lines 763 791) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~8#1| 0) (not (= ~methaneLevelCritical~0 0))))) [2022-07-22 17:37:40,652 INFO L895 garLoopResultBuilder]: At program point L127(lines 122 129) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:40,652 INFO L899 garLoopResultBuilder]: For program point L776(lines 776 782) no Hoare annotation was computed. [2022-07-22 17:37:40,652 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:40,652 INFO L895 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:40,652 INFO L895 garLoopResultBuilder]: At program point L207(line 207) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:40,652 INFO L899 garLoopResultBuilder]: For program point L207-1(line 207) no Hoare annotation was computed. [2022-07-22 17:37:40,653 INFO L899 garLoopResultBuilder]: For program point L897(lines 897 901) no Hoare annotation was computed. [2022-07-22 17:37:40,653 INFO L895 garLoopResultBuilder]: At program point L769(line 769) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:37:40,653 INFO L899 garLoopResultBuilder]: For program point L769-1(line 769) no Hoare annotation was computed. [2022-07-22 17:37:40,653 INFO L895 garLoopResultBuilder]: At program point L897-2(lines 893 904) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:40,653 INFO L895 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-07-22 17:37:40,653 INFO L895 garLoopResultBuilder]: At program point L220-1(lines 201 225) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-07-22 17:37:40,653 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 154 160) no Hoare annotation was computed. [2022-07-22 17:37:40,653 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 143 166) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:37:40,653 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 143 166) no Hoare annotation was computed. [2022-07-22 17:37:40,653 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 126) no Hoare annotation was computed. [2022-07-22 17:37:40,653 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-07-22 17:37:40,653 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2022-07-22 17:37:40,653 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:40,653 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:40,653 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 17:37:40,653 INFO L895 garLoopResultBuilder]: At program point L383(lines 378 386) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-07-22 17:37:40,654 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 17:37:40,654 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 17:37:40,654 INFO L895 garLoopResultBuilder]: At program point L346(lines 334 348) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:40,654 INFO L895 garLoopResultBuilder]: At program point L375(lines 371 377) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:37:40,654 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 344) no Hoare annotation was computed. [2022-07-22 17:37:40,654 INFO L899 garLoopResultBuilder]: For program point L338-1(lines 338 344) no Hoare annotation was computed. [2022-07-22 17:37:40,654 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2022-07-22 17:37:40,654 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 17:37:40,654 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2022-07-22 17:37:40,654 INFO L902 garLoopResultBuilder]: At program point L863(lines 855 865) the Hoare annotation is: true [2022-07-22 17:37:40,654 INFO L895 garLoopResultBuilder]: At program point L760(lines 755 762) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~9#1| ~systemActive~0)) [2022-07-22 17:37:40,654 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:40,654 INFO L902 garLoopResultBuilder]: At program point L116(lines 55 120) the Hoare annotation is: true [2022-07-22 17:37:40,654 INFO L895 garLoopResultBuilder]: At program point L368(lines 364 370) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:37:40,654 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 883) no Hoare annotation was computed. [2022-07-22 17:37:40,654 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2022-07-22 17:37:40,655 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2022-07-22 17:37:40,655 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 883) no Hoare annotation was computed. [2022-07-22 17:37:40,655 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2022-07-22 17:37:40,655 INFO L902 garLoopResultBuilder]: At program point L885(lines 866 888) the Hoare annotation is: true [2022-07-22 17:37:40,655 INFO L895 garLoopResultBuilder]: At program point L852(lines 848 854) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~9#1| ~systemActive~0)) [2022-07-22 17:37:40,655 INFO L895 garLoopResultBuilder]: At program point L340(line 340) the Hoare annotation is: false [2022-07-22 17:37:40,656 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2022-07-22 17:37:40,656 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 107) no Hoare annotation was computed. [2022-07-22 17:37:40,656 INFO L895 garLoopResultBuilder]: At program point L101-2(lines 95 108) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:40,657 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 905 916) no Hoare annotation was computed. [2022-07-22 17:37:40,657 INFO L899 garLoopResultBuilder]: For program point L909-1(lines 905 916) no Hoare annotation was computed. [2022-07-22 17:37:40,657 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 905 916) the Hoare annotation is: true [2022-07-22 17:37:40,657 INFO L899 garLoopResultBuilder]: For program point L194-1(lines 175 199) no Hoare annotation was computed. [2022-07-22 17:37:40,657 INFO L895 garLoopResultBuilder]: At program point L975(lines 970 978) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:37:40,657 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:37:40,657 INFO L895 garLoopResultBuilder]: At program point L185(line 185) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:37:40,657 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 191) no Hoare annotation was computed. [2022-07-22 17:37:40,658 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 196) no Hoare annotation was computed. [2022-07-22 17:37:40,658 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 175 199) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-22 17:37:40,658 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 175 199) no Hoare annotation was computed. [2022-07-22 17:37:40,658 INFO L895 garLoopResultBuilder]: At program point L330(lines 315 333) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:37:40,658 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 328) no Hoare annotation was computed. [2022-07-22 17:37:40,658 INFO L899 garLoopResultBuilder]: For program point L324-2(lines 324 328) no Hoare annotation was computed. [2022-07-22 17:37:40,658 INFO L895 garLoopResultBuilder]: At program point L194(line 194) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-22 17:37:40,658 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 259 269) the Hoare annotation is: true [2022-07-22 17:37:40,659 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 259 269) no Hoare annotation was computed. [2022-07-22 17:37:40,659 INFO L902 garLoopResultBuilder]: At program point L264(line 264) the Hoare annotation is: true [2022-07-22 17:37:40,659 INFO L899 garLoopResultBuilder]: For program point L264-1(line 264) no Hoare annotation was computed. [2022-07-22 17:37:40,659 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 259 269) no Hoare annotation was computed. [2022-07-22 17:37:40,661 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-22 17:37:40,663 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 17:37:40,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:37:40 BoogieIcfgContainer [2022-07-22 17:37:40,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 17:37:40,675 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 17:37:40,675 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 17:37:40,675 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 17:37:40,676 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:39" (3/4) ... [2022-07-22 17:37:40,678 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 17:37:40,682 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-22 17:37:40,682 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-22 17:37:40,682 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-22 17:37:40,682 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-22 17:37:40,682 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-22 17:37:40,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-22 17:37:40,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-22 17:37:40,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-22 17:37:40,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-22 17:37:40,688 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2022-07-22 17:37:40,688 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-22 17:37:40,689 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 17:37:40,689 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 17:37:40,689 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 17:37:40,690 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:37:40,690 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:37:40,705 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-07-22 17:37:40,706 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-07-22 17:37:40,706 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-07-22 17:37:40,706 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-22 17:37:40,707 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-07-22 17:37:40,707 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) [2022-07-22 17:37:40,708 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2022-07-22 17:37:40,708 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-07-22 17:37:40,708 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-22 17:37:40,708 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-07-22 17:37:40,724 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 17:37:40,724 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 17:37:40,724 INFO L158 Benchmark]: Toolchain (without parser) took 2504.29ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 51.9MB in the beginning and 49.4MB in the end (delta: 2.5MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2022-07-22 17:37:40,725 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory was 69.2MB in the beginning and 69.2MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:37:40,725 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.65ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 51.7MB in the beginning and 94.7MB in the end (delta: -43.0MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2022-07-22 17:37:40,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.40ms. Allocated memory is still 132.1MB. Free memory was 94.7MB in the beginning and 92.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:37:40,725 INFO L158 Benchmark]: Boogie Preprocessor took 41.81ms. Allocated memory is still 132.1MB. Free memory was 92.6MB in the beginning and 91.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:37:40,726 INFO L158 Benchmark]: RCFGBuilder took 382.89ms. Allocated memory is still 132.1MB. Free memory was 91.0MB in the beginning and 74.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-22 17:37:40,726 INFO L158 Benchmark]: TraceAbstraction took 1563.86ms. Allocated memory is still 132.1MB. Free memory was 73.7MB in the beginning and 55.8MB in the end (delta: 18.0MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-07-22 17:37:40,726 INFO L158 Benchmark]: Witness Printer took 48.91ms. Allocated memory is still 132.1MB. Free memory was 55.8MB in the beginning and 49.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 17:37:40,728 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory was 69.2MB in the beginning and 69.2MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.65ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 51.7MB in the beginning and 94.7MB in the end (delta: -43.0MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.40ms. Allocated memory is still 132.1MB. Free memory was 94.7MB in the beginning and 92.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.81ms. Allocated memory is still 132.1MB. Free memory was 92.6MB in the beginning and 91.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 382.89ms. Allocated memory is still 132.1MB. Free memory was 91.0MB in the beginning and 74.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1563.86ms. Allocated memory is still 132.1MB. Free memory was 73.7MB in the beginning and 55.8MB in the end (delta: 18.0MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Witness Printer took 48.91ms. Allocated memory is still 132.1MB. Free memory was 55.8MB in the beginning and 49.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 126]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 357 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 349 mSDsluCounter, 1420 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 910 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 510 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=353occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 518 PreInvPairs, 584 NumberOfFragments, 283 HoareAnnotationTreeSize, 518 FomulaSimplifications, 52 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1856 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 317 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 970]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) RESULT: Ultimate proved your program to be correct! [2022-07-22 17:37:40,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE