./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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_spec1_product21.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 0e76649cac6515f08270152166e80012375eb96b6ec0655501fc67165d9b0051 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 13:13:54,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 13:13:54,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 13:13:54,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 13:13:54,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 13:13:54,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 13:13:54,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 13:13:54,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 13:13:54,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 13:13:54,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 13:13:54,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 13:13:54,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 13:13:54,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 13:13:54,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 13:13:54,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 13:13:54,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 13:13:54,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 13:13:54,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 13:13:54,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 13:13:54,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 13:13:54,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 13:13:54,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 13:13:54,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 13:13:54,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 13:13:54,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 13:13:54,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 13:13:54,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 13:13:54,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 13:13:54,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 13:13:54,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 13:13:54,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 13:13:54,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 13:13:54,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 13:13:54,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 13:13:54,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 13:13:54,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 13:13:54,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 13:13:54,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 13:13:54,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 13:13:54,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 13:13:54,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 13:13:54,630 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 13:13:54,665 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 13:13:54,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 13:13:54,666 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 13:13:54,666 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 13:13:54,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 13:13:54,667 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 13:13:54,668 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 13:13:54,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 13:13:54,668 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 13:13:54,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 13:13:54,669 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 13:13:54,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 13:13:54,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 13:13:54,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 13:13:54,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 13:13:54,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 13:13:54,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 13:13:54,671 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 13:13:54,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 13:13:54,671 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 13:13:54,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 13:13:54,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 13:13:54,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 13:13:54,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 13:13:54,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:13:54,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 13:13:54,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 13:13:54,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 13:13:54,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 13:13:54,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 13:13:54,674 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 13:13:54,674 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 13:13:54,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 13:13:54,674 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 13:13:54,675 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e76649cac6515f08270152166e80012375eb96b6ec0655501fc67165d9b0051 [2021-12-21 13:13:54,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 13:13:54,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 13:13:54,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 13:13:54,939 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 13:13:54,942 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 13:13:54,943 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2021-12-21 13:13:55,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c417ddeb5/00df7d4ecc16468585820cb2217d185c/FLAG76e839879 [2021-12-21 13:13:55,435 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 13:13:55,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2021-12-21 13:13:55,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c417ddeb5/00df7d4ecc16468585820cb2217d185c/FLAG76e839879 [2021-12-21 13:13:55,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c417ddeb5/00df7d4ecc16468585820cb2217d185c [2021-12-21 13:13:55,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 13:13:55,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 13:13:55,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 13:13:55,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 13:13:55,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 13:13:55,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:13:55" (1/1) ... [2021-12-21 13:13:55,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cd43625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:55, skipping insertion in model container [2021-12-21 13:13:55,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:13:55" (1/1) ... [2021-12-21 13:13:55,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 13:13:55,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 13:13:55,763 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_spec1_product21.cil.c[17902,17915] [2021-12-21 13:13:55,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:13:55,774 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 13:13:55,856 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_spec1_product21.cil.c[17902,17915] [2021-12-21 13:13:55,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:13:55,876 INFO L208 MainTranslator]: Completed translation [2021-12-21 13:13:55,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:55 WrapperNode [2021-12-21 13:13:55,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 13:13:55,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 13:13:55,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 13:13:55,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 13:13:55,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:55" (1/1) ... [2021-12-21 13:13:55,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:55" (1/1) ... [2021-12-21 13:13:55,921 INFO L137 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 231 [2021-12-21 13:13:55,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 13:13:55,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 13:13:55,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 13:13:55,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 13:13:55,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:55" (1/1) ... [2021-12-21 13:13:55,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:55" (1/1) ... [2021-12-21 13:13:55,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:55" (1/1) ... [2021-12-21 13:13:55,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:55" (1/1) ... [2021-12-21 13:13:55,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:55" (1/1) ... [2021-12-21 13:13:55,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:55" (1/1) ... [2021-12-21 13:13:55,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:55" (1/1) ... [2021-12-21 13:13:55,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 13:13:55,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 13:13:55,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 13:13:55,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 13:13:55,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:55" (1/1) ... [2021-12-21 13:13:55,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:13:55,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:13:56,008 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) [2021-12-21 13:13:56,033 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 [2021-12-21 13:13:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 13:13:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-21 13:13:56,049 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-21 13:13:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-21 13:13:56,049 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-21 13:13:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-21 13:13:56,050 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-21 13:13:56,051 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-21 13:13:56,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-21 13:13:56,051 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-21 13:13:56,052 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-21 13:13:56,052 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-21 13:13:56,052 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-21 13:13:56,052 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-21 13:13:56,052 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-21 13:13:56,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 13:13:56,052 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-21 13:13:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-21 13:13:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 13:13:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 13:13:56,142 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 13:13:56,144 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 13:13:56,451 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 13:13:56,459 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 13:13:56,459 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 13:13:56,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:13:56 BoogieIcfgContainer [2021-12-21 13:13:56,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 13:13:56,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 13:13:56,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 13:13:56,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 13:13:56,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 01:13:55" (1/3) ... [2021-12-21 13:13:56,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28580425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:13:56, skipping insertion in model container [2021-12-21 13:13:56,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:55" (2/3) ... [2021-12-21 13:13:56,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28580425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:13:56, skipping insertion in model container [2021-12-21 13:13:56,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:13:56" (3/3) ... [2021-12-21 13:13:56,468 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product21.cil.c [2021-12-21 13:13:56,473 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 13:13:56,473 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 13:13:56,510 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 13:13:56,515 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 13:13:56,515 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 13:13:56,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 63 states have (on average 1.380952380952381) internal successors, (87), 71 states have internal predecessors, (87), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-21 13:13:56,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-21 13:13:56,535 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:13:56,536 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:13:56,536 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:13:56,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:13:56,540 INFO L85 PathProgramCache]: Analyzing trace with hash -362708314, now seen corresponding path program 1 times [2021-12-21 13:13:56,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:13:56,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817075363] [2021-12-21 13:13:56,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:13:56,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:13:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:56,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 13:13:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:56,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:13:56,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:13:56,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817075363] [2021-12-21 13:13:56,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817075363] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:13:56,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:13:56,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 13:13:56,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56269679] [2021-12-21 13:13:56,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:13:56,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 13:13:56,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:13:56,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 13:13:56,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 13:13:56,852 INFO L87 Difference]: Start difference. First operand has 87 states, 63 states have (on average 1.380952380952381) internal successors, (87), 71 states have internal predecessors, (87), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-12-21 13:13:56,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:13:56,893 INFO L93 Difference]: Finished difference Result 166 states and 225 transitions. [2021-12-21 13:13:56,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 13:13:56,895 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2021-12-21 13:13:56,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:13:56,907 INFO L225 Difference]: With dead ends: 166 [2021-12-21 13:13:56,907 INFO L226 Difference]: Without dead ends: 78 [2021-12-21 13:13:56,912 INFO L932 BasicCegarLoop]: 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 [2021-12-21 13:13:56,916 INFO L933 BasicCegarLoop]: 109 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, 109 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 [2021-12-21 13:13:56,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:13:56,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-12-21 13:13:56,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-12-21 13:13:56,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 63 states have internal predecessors, (73), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-21 13:13:56,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2021-12-21 13:13:56,973 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 23 [2021-12-21 13:13:56,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:13:56,974 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2021-12-21 13:13:56,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-12-21 13:13:56,975 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2021-12-21 13:13:56,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-21 13:13:56,977 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:13:56,977 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:13:56,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 13:13:56,978 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:13:56,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:13:56,981 INFO L85 PathProgramCache]: Analyzing trace with hash -218724726, now seen corresponding path program 1 times [2021-12-21 13:13:56,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:13:56,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726163872] [2021-12-21 13:13:56,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:13:56,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:13:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:57,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-21 13:13:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:57,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:13:57,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:13:57,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726163872] [2021-12-21 13:13:57,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726163872] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:13:57,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:13:57,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:13:57,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925955275] [2021-12-21 13:13:57,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:13:57,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:13:57,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:13:57,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:13:57,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:13:57,053 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-12-21 13:13:57,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:13:57,067 INFO L93 Difference]: Finished difference Result 122 states and 156 transitions. [2021-12-21 13:13:57,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:13:57,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2021-12-21 13:13:57,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:13:57,069 INFO L225 Difference]: With dead ends: 122 [2021-12-21 13:13:57,069 INFO L226 Difference]: Without dead ends: 69 [2021-12-21 13:13:57,070 INFO L932 BasicCegarLoop]: 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 [2021-12-21 13:13:57,071 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 12 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 158 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 [2021-12-21 13:13:57,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 158 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:13:57,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-12-21 13:13:57,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-12-21 13:13:57,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 50 states have (on average 1.32) internal successors, (66), 57 states have internal predecessors, (66), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-21 13:13:57,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions. [2021-12-21 13:13:57,087 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 88 transitions. Word has length 24 [2021-12-21 13:13:57,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:13:57,088 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 88 transitions. [2021-12-21 13:13:57,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-12-21 13:13:57,088 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2021-12-21 13:13:57,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-21 13:13:57,089 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:13:57,090 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:13:57,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 13:13:57,090 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:13:57,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:13:57,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1486339720, now seen corresponding path program 1 times [2021-12-21 13:13:57,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:13:57,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751135016] [2021-12-21 13:13:57,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:13:57,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:13:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:57,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 13:13:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:57,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:13:57,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:13:57,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751135016] [2021-12-21 13:13:57,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751135016] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:13:57,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:13:57,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:13:57,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732654860] [2021-12-21 13:13:57,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:13:57,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:13:57,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:13:57,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:13:57,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:13:57,166 INFO L87 Difference]: Start difference. First operand 69 states and 88 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-12-21 13:13:57,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:13:57,299 INFO L93 Difference]: Finished difference Result 131 states and 170 transitions. [2021-12-21 13:13:57,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 13:13:57,300 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 28 [2021-12-21 13:13:57,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:13:57,301 INFO L225 Difference]: With dead ends: 131 [2021-12-21 13:13:57,303 INFO L226 Difference]: Without dead ends: 69 [2021-12-21 13:13:57,303 INFO L932 BasicCegarLoop]: 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 [2021-12-21 13:13:57,306 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 165 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:13:57,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 173 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:13:57,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-12-21 13:13:57,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-12-21 13:13:57,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 50 states have (on average 1.3) internal successors, (65), 57 states have internal predecessors, (65), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-21 13:13:57,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2021-12-21 13:13:57,316 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 28 [2021-12-21 13:13:57,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:13:57,317 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2021-12-21 13:13:57,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-12-21 13:13:57,317 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2021-12-21 13:13:57,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-21 13:13:57,319 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:13:57,319 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:13:57,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 13:13:57,319 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:13:57,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:13:57,320 INFO L85 PathProgramCache]: Analyzing trace with hash -123142813, now seen corresponding path program 1 times [2021-12-21 13:13:57,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:13:57,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509071247] [2021-12-21 13:13:57,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:13:57,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:13:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:57,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 13:13:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:57,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:13:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:57,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-21 13:13:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:57,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:13:57,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:13:57,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509071247] [2021-12-21 13:13:57,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509071247] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:13:57,403 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:13:57,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:13:57,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414741437] [2021-12-21 13:13:57,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:13:57,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:13:57,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:13:57,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:13:57,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:13:57,405 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:13:57,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:13:57,706 INFO L93 Difference]: Finished difference Result 219 states and 282 transitions. [2021-12-21 13:13:57,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-21 13:13:57,707 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2021-12-21 13:13:57,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:13:57,709 INFO L225 Difference]: With dead ends: 219 [2021-12-21 13:13:57,709 INFO L226 Difference]: Without dead ends: 157 [2021-12-21 13:13:57,710 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-21 13:13:57,712 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 136 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:13:57,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 347 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 13:13:57,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-12-21 13:13:57,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 127. [2021-12-21 13:13:57,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 90 states have (on average 1.3) internal successors, (117), 103 states have internal predecessors, (117), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (23), 14 states have call predecessors, (23), 22 states have call successors, (23) [2021-12-21 13:13:57,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 162 transitions. [2021-12-21 13:13:57,732 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 162 transitions. Word has length 38 [2021-12-21 13:13:57,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:13:57,732 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 162 transitions. [2021-12-21 13:13:57,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 13:13:57,733 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 162 transitions. [2021-12-21 13:13:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-21 13:13:57,734 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:13:57,735 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:13:57,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 13:13:57,735 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:13:57,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:13:57,736 INFO L85 PathProgramCache]: Analyzing trace with hash -277876569, now seen corresponding path program 1 times [2021-12-21 13:13:57,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:13:57,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976785773] [2021-12-21 13:13:57,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:13:57,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:13:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:57,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:13:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:13:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:57,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:13:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:57,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:13:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:57,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:13:57,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:13:57,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976785773] [2021-12-21 13:13:57,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976785773] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:13:57,814 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:13:57,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:13:57,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609857644] [2021-12-21 13:13:57,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:13:57,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:13:57,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:13:57,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:13:57,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:13:57,816 INFO L87 Difference]: Start difference. First operand 127 states and 162 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-21 13:13:57,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:13:57,943 INFO L93 Difference]: Finished difference Result 212 states and 271 transitions. [2021-12-21 13:13:57,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 13:13:57,944 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2021-12-21 13:13:57,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:13:57,944 INFO L225 Difference]: With dead ends: 212 [2021-12-21 13:13:57,945 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 13:13:57,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-21 13:13:57,955 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 71 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:13:57,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 133 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:13:57,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 13:13:57,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 13:13:57,959 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) [2021-12-21 13:13:57,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 13:13:57,960 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2021-12-21 13:13:57,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:13:57,961 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 13:13:57,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-21 13:13:57,962 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 13:13:57,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 13:13:57,964 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 13:13:57,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 13:13:57,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 13:13:58,474 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 838 845) the Hoare annotation is: true [2021-12-21 13:13:58,474 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 838 845) no Hoare annotation was computed. [2021-12-21 13:13:58,474 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 838 845) no Hoare annotation was computed. [2021-12-21 13:13:58,474 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 771 777) no Hoare annotation was computed. [2021-12-21 13:13:58,474 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 771 777) the Hoare annotation is: true [2021-12-21 13:13:58,475 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 579 590) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-12-21 13:13:58,475 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 579 590) no Hoare annotation was computed. [2021-12-21 13:13:58,475 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 579 590) no Hoare annotation was computed. [2021-12-21 13:13:58,475 INFO L854 garLoopResultBuilder]: At program point L927(lines 922 929) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-21 13:13:58,475 INFO L854 garLoopResultBuilder]: At program point L824(line 824) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-21 13:13:58,475 INFO L854 garLoopResultBuilder]: At program point L824-1(lines 805 829) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-21 13:13:58,475 INFO L854 garLoopResultBuilder]: At program point L853(lines 846 856) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-21 13:13:58,475 INFO L858 garLoopResultBuilder]: For program point L758-1(lines 758 764) no Hoare annotation was computed. [2021-12-21 13:13:58,475 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 747 770) no Hoare annotation was computed. [2021-12-21 13:13:58,476 INFO L854 garLoopResultBuilder]: At program point L862(lines 857 865) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2021-12-21 13:13:58,476 INFO L858 garLoopResultBuilder]: For program point L751-1(lines 750 769) no Hoare annotation was computed. [2021-12-21 13:13:58,476 INFO L858 garLoopResultBuilder]: For program point L813(lines 813 821) no Hoare annotation was computed. [2021-12-21 13:13:58,476 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 826) no Hoare annotation was computed. [2021-12-21 13:13:58,476 INFO L854 garLoopResultBuilder]: At program point L425(line 425) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-21 13:13:58,476 INFO L858 garLoopResultBuilder]: For program point L425-1(line 425) no Hoare annotation was computed. [2021-12-21 13:13:58,476 INFO L854 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-21 13:13:58,476 INFO L858 garLoopResultBuilder]: For program point L851-1(line 851) no Hoare annotation was computed. [2021-12-21 13:13:58,476 INFO L858 garLoopResultBuilder]: For program point L926(line 926) no Hoare annotation was computed. [2021-12-21 13:13:58,477 INFO L854 garLoopResultBuilder]: At program point L819(line 819) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-21 13:13:58,477 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 747 770) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-21 13:13:58,477 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 563) no Hoare annotation was computed. [2021-12-21 13:13:58,477 INFO L854 garLoopResultBuilder]: At program point L815(line 815) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-21 13:13:58,477 INFO L858 garLoopResultBuilder]: For program point L431(lines 431 437) no Hoare annotation was computed. [2021-12-21 13:13:58,477 INFO L854 garLoopResultBuilder]: At program point L559-2(lines 555 566) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-21 13:13:58,477 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 440) no Hoare annotation was computed. [2021-12-21 13:13:58,477 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 747 770) no Hoare annotation was computed. [2021-12-21 13:13:58,477 INFO L854 garLoopResultBuilder]: At program point L427-1(lines 419 443) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~3#1| 0)) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2021-12-21 13:13:58,478 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 926) no Hoare annotation was computed. [2021-12-21 13:13:58,478 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 447 476) no Hoare annotation was computed. [2021-12-21 13:13:58,478 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 447 476) the Hoare annotation is: true [2021-12-21 13:13:58,478 INFO L861 garLoopResultBuilder]: At program point L472(lines 447 476) the Hoare annotation is: true [2021-12-21 13:13:58,478 INFO L858 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2021-12-21 13:13:58,478 INFO L858 garLoopResultBuilder]: For program point L461(lines 461 465) no Hoare annotation was computed. [2021-12-21 13:13:58,478 INFO L861 garLoopResultBuilder]: At program point L461-1(lines 461 465) the Hoare annotation is: true [2021-12-21 13:13:58,478 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-12-21 13:13:58,478 INFO L861 garLoopResultBuilder]: At program point L457-2(lines 457 471) the Hoare annotation is: true [2021-12-21 13:13:58,478 INFO L861 garLoopResultBuilder]: At program point L453(line 453) the Hoare annotation is: true [2021-12-21 13:13:58,478 INFO L858 garLoopResultBuilder]: For program point L453-1(line 453) no Hoare annotation was computed. [2021-12-21 13:13:58,478 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 591 599) the Hoare annotation is: true [2021-12-21 13:13:58,479 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 591 599) no Hoare annotation was computed. [2021-12-21 13:13:58,479 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 591 599) no Hoare annotation was computed. [2021-12-21 13:13:58,479 INFO L854 garLoopResultBuilder]: At program point L733(lines 686 734) the Hoare annotation is: false [2021-12-21 13:13:58,479 INFO L858 garLoopResultBuilder]: For program point L535(lines 535 542) no Hoare annotation was computed. [2021-12-21 13:13:58,479 INFO L858 garLoopResultBuilder]: For program point L535-2(lines 535 542) no Hoare annotation was computed. [2021-12-21 13:13:58,479 INFO L858 garLoopResultBuilder]: For program point L688(lines 687 732) no Hoare annotation was computed. [2021-12-21 13:13:58,479 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 728) no Hoare annotation was computed. [2021-12-21 13:13:58,479 INFO L861 garLoopResultBuilder]: At program point L519(lines 512 521) the Hoare annotation is: true [2021-12-21 13:13:58,479 INFO L854 garLoopResultBuilder]: At program point L709(line 709) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2021-12-21 13:13:58,480 INFO L854 garLoopResultBuilder]: At program point L672(lines 667 675) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-12-21 13:13:58,480 INFO L861 garLoopResultBuilder]: At program point L544(lines 525 547) the Hoare annotation is: true [2021-12-21 13:13:58,480 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 13:13:58,480 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 13:13:58,480 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 13:13:58,480 INFO L854 garLoopResultBuilder]: At program point L730(lines 687 732) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2021-12-21 13:13:58,480 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 703) no Hoare annotation was computed. [2021-12-21 13:13:58,480 INFO L854 garLoopResultBuilder]: At program point L664(lines 660 666) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-21 13:13:58,480 INFO L858 garLoopResultBuilder]: For program point L697-1(lines 697 703) no Hoare annotation was computed. [2021-12-21 13:13:58,480 INFO L858 garLoopResultBuilder]: For program point L689(lines 689 693) no Hoare annotation was computed. [2021-12-21 13:13:58,480 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 13:13:58,481 INFO L854 garLoopResultBuilder]: At program point L508(lines 504 510) 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~4#1| ~systemActive~0)) [2021-12-21 13:13:58,481 INFO L858 garLoopResultBuilder]: For program point L723(lines 723 727) no Hoare annotation was computed. [2021-12-21 13:13:58,481 INFO L854 garLoopResultBuilder]: At program point L657(lines 653 659) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-21 13:13:58,481 INFO L854 garLoopResultBuilder]: At program point L723-2(lines 717 728) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2021-12-21 13:13:58,481 INFO L858 garLoopResultBuilder]: For program point L707(lines 707 713) no Hoare annotation was computed. [2021-12-21 13:13:58,481 INFO L858 garLoopResultBuilder]: For program point L707-1(lines 707 713) no Hoare annotation was computed. [2021-12-21 13:13:58,481 INFO L861 garLoopResultBuilder]: At program point L736(lines 677 740) the Hoare annotation is: true [2021-12-21 13:13:58,481 INFO L854 garLoopResultBuilder]: At program point L699(line 699) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2021-12-21 13:13:58,481 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 567 578) no Hoare annotation was computed. [2021-12-21 13:13:58,481 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 567 578) no Hoare annotation was computed. [2021-12-21 13:13:58,482 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 567 578) the Hoare annotation is: true [2021-12-21 13:13:58,482 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 779 803) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-21 13:13:58,482 INFO L854 garLoopResultBuilder]: At program point L793(line 793) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-21 13:13:58,482 INFO L854 garLoopResultBuilder]: At program point L917(lines 902 920) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-21 13:13:58,482 INFO L854 garLoopResultBuilder]: At program point L789(line 789) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-21 13:13:58,482 INFO L858 garLoopResultBuilder]: For program point L787(lines 787 795) no Hoare annotation was computed. [2021-12-21 13:13:58,482 INFO L858 garLoopResultBuilder]: For program point L783(lines 783 800) no Hoare annotation was computed. [2021-12-21 13:13:58,482 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 915) no Hoare annotation was computed. [2021-12-21 13:13:58,482 INFO L858 garLoopResultBuilder]: For program point L911-2(lines 911 915) no Hoare annotation was computed. [2021-12-21 13:13:58,482 INFO L854 garLoopResultBuilder]: At program point L798(line 798) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-21 13:13:58,482 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 779 803) no Hoare annotation was computed. [2021-12-21 13:13:58,483 INFO L854 garLoopResultBuilder]: At program point L637(lines 632 640) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-21 13:13:58,483 INFO L858 garLoopResultBuilder]: For program point L798-1(lines 779 803) no Hoare annotation was computed. [2021-12-21 13:13:58,488 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-21 13:13:58,489 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 13:13:58,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 01:13:58 BoogieIcfgContainer [2021-12-21 13:13:58,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 13:13:58,508 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 13:13:58,509 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 13:13:58,509 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 13:13:58,509 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:13:56" (3/4) ... [2021-12-21 13:13:58,512 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 13:13:58,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-21 13:13:58,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-21 13:13:58,517 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-21 13:13:58,517 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-21 13:13:58,517 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-21 13:13:58,517 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-21 13:13:58,517 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-21 13:13:58,517 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-12-21 13:13:58,530 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2021-12-21 13:13:58,530 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-21 13:13:58,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-21 13:13:58,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-21 13:13:58,532 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 13:13:58,532 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:13:58,532 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:13:58,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2021-12-21 13:13:58,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2021-12-21 13:13:58,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive [2021-12-21 13:13:58,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-21 13:13:58,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2021-12-21 13:13:58,553 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2021-12-21 13:13:58,553 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-21 13:13:58,554 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2021-12-21 13:13:58,554 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-21 13:13:58,554 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-21 13:13:58,554 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-21 13:13:58,573 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 13:13:58,574 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 13:13:58,574 INFO L158 Benchmark]: Toolchain (without parser) took 3106.92ms. Allocated memory was 115.3MB in the beginning and 144.7MB in the end (delta: 29.4MB). Free memory was 76.9MB in the beginning and 114.6MB in the end (delta: -37.7MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2021-12-21 13:13:58,574 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 115.3MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 13:13:58,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.70ms. Allocated memory is still 115.3MB. Free memory was 76.7MB in the beginning and 82.6MB in the end (delta: -5.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 13:13:58,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.39ms. Allocated memory is still 115.3MB. Free memory was 82.6MB in the beginning and 80.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:13:58,575 INFO L158 Benchmark]: Boogie Preprocessor took 25.97ms. Allocated memory is still 115.3MB. Free memory was 80.5MB in the beginning and 78.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:13:58,576 INFO L158 Benchmark]: RCFGBuilder took 512.34ms. Allocated memory is still 115.3MB. Free memory was 78.9MB in the beginning and 62.8MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-21 13:13:58,576 INFO L158 Benchmark]: TraceAbstraction took 2045.39ms. Allocated memory was 115.3MB in the beginning and 144.7MB in the end (delta: 29.4MB). Free memory was 62.1MB in the beginning and 61.8MB in the end (delta: 265.6kB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2021-12-21 13:13:58,576 INFO L158 Benchmark]: Witness Printer took 65.28ms. Allocated memory is still 144.7MB. Free memory was 61.8MB in the beginning and 114.6MB in the end (delta: -52.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:13:58,578 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 115.3MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.70ms. Allocated memory is still 115.3MB. Free memory was 76.7MB in the beginning and 82.6MB in the end (delta: -5.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.39ms. Allocated memory is still 115.3MB. Free memory was 82.6MB in the beginning and 80.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.97ms. Allocated memory is still 115.3MB. Free memory was 80.5MB in the beginning and 78.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 512.34ms. Allocated memory is still 115.3MB. Free memory was 78.9MB in the beginning and 62.8MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2045.39ms. Allocated memory was 115.3MB in the beginning and 144.7MB in the end (delta: 29.4MB). Free memory was 62.1MB in the beginning and 61.8MB in the end (delta: 265.6kB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Witness Printer took 65.28ms. Allocated memory is still 144.7MB. Free memory was 61.8MB in the beginning and 114.6MB in the end (delta: -52.8MB). Peak memory consumption was 2.1MB. 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: 926]: 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 9 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 396 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 384 mSDsluCounter, 920 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 524 mSDsCounter, 111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 319 IncrementalHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111 mSolverCounterUnsat, 396 mSDtfsCounter, 319 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=4, InterpolantAutomatonStates: 30, 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, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 292 PreInvPairs, 314 NumberOfFragments, 359 HoareAnnotationTreeSize, 292 FomulaSimplifications, 74 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 656 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 318 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: 857]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-21 13:13:58,618 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