./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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_product09.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 704fe23cb6270cdc3b62ea1d942aa0e1862f1800a4de1ce1a14a8307d368eae5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 17:57:32,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 17:57:32,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 17:57:32,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 17:57:32,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 17:57:32,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 17:57:32,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 17:57:32,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 17:57:32,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 17:57:32,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 17:57:32,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 17:57:32,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 17:57:32,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 17:57:32,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 17:57:32,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 17:57:32,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 17:57:32,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 17:57:32,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 17:57:32,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 17:57:32,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 17:57:32,569 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 17:57:32,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 17:57:32,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 17:57:32,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 17:57:32,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 17:57:32,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 17:57:32,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 17:57:32,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 17:57:32,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 17:57:32,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 17:57:32,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 17:57:32,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 17:57:32,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 17:57:32,580 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 17:57:32,581 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 17:57:32,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 17:57:32,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 17:57:32,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 17:57:32,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 17:57:32,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 17:57:32,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 17:57:32,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 17:57:32,585 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 17:57:32,608 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 17:57:32,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 17:57:32,608 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 17:57:32,608 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 17:57:32,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 17:57:32,609 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 17:57:32,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 17:57:32,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 17:57:32,610 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 17:57:32,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 17:57:32,611 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 17:57:32,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 17:57:32,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 17:57:32,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 17:57:32,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 17:57:32,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 17:57:32,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 17:57:32,612 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 17:57:32,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 17:57:32,612 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 17:57:32,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 17:57:32,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 17:57:32,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 17:57:32,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 17:57:32,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:57:32,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 17:57:32,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 17:57:32,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 17:57:32,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 17:57:32,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 17:57:32,615 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 17:57:32,615 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 17:57:32,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 17:57:32,615 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 704fe23cb6270cdc3b62ea1d942aa0e1862f1800a4de1ce1a14a8307d368eae5 [2022-07-13 17:57:32,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 17:57:32,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 17:57:32,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 17:57:32,894 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 17:57:32,894 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 17:57:32,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2022-07-13 17:57:32,954 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4447e4fad/050496598f0b42ba963d8e127d262f42/FLAGc3ffc817a [2022-07-13 17:57:33,339 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 17:57:33,339 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2022-07-13 17:57:33,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4447e4fad/050496598f0b42ba963d8e127d262f42/FLAGc3ffc817a [2022-07-13 17:57:33,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4447e4fad/050496598f0b42ba963d8e127d262f42 [2022-07-13 17:57:33,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 17:57:33,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 17:57:33,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 17:57:33,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 17:57:33,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 17:57:33,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:57:33" (1/1) ... [2022-07-13 17:57:33,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f84ad2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:33, skipping insertion in model container [2022-07-13 17:57:33,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:57:33" (1/1) ... [2022-07-13 17:57:33,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 17:57:33,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 17:57:33,636 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_product09.cil.c[13030,13043] [2022-07-13 17:57:33,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:57:33,670 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 17:57:33,727 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_product09.cil.c[13030,13043] [2022-07-13 17:57:33,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:57:33,753 INFO L208 MainTranslator]: Completed translation [2022-07-13 17:57:33,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:33 WrapperNode [2022-07-13 17:57:33,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 17:57:33,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 17:57:33,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 17:57:33,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 17:57:33,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:33" (1/1) ... [2022-07-13 17:57:33,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:33" (1/1) ... [2022-07-13 17:57:33,807 INFO L137 Inliner]: procedures = 50, calls = 146, calls flagged for inlining = 18, calls inlined = 13, statements flattened = 180 [2022-07-13 17:57:33,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 17:57:33,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 17:57:33,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 17:57:33,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 17:57:33,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:33" (1/1) ... [2022-07-13 17:57:33,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:33" (1/1) ... [2022-07-13 17:57:33,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:33" (1/1) ... [2022-07-13 17:57:33,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:33" (1/1) ... [2022-07-13 17:57:33,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:33" (1/1) ... [2022-07-13 17:57:33,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:33" (1/1) ... [2022-07-13 17:57:33,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:33" (1/1) ... [2022-07-13 17:57:33,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 17:57:33,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 17:57:33,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 17:57:33,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 17:57:33,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:33" (1/1) ... [2022-07-13 17:57:33,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:57:33,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:57:33,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 17:57:33,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 17:57:33,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 17:57:33,892 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-13 17:57:33,892 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-13 17:57:33,892 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-13 17:57:33,893 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-13 17:57:33,893 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-13 17:57:33,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-13 17:57:33,893 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-13 17:57:33,893 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-13 17:57:33,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 17:57:33,894 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-13 17:57:33,894 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-13 17:57:33,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 17:57:33,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 17:57:33,954 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 17:57:33,955 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 17:57:34,143 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 17:57:34,149 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 17:57:34,149 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 17:57:34,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:57:34 BoogieIcfgContainer [2022-07-13 17:57:34,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 17:57:34,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 17:57:34,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 17:57:34,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 17:57:34,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 05:57:33" (1/3) ... [2022-07-13 17:57:34,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e47354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:57:34, skipping insertion in model container [2022-07-13 17:57:34,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:33" (2/3) ... [2022-07-13 17:57:34,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e47354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:57:34, skipping insertion in model container [2022-07-13 17:57:34,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:57:34" (3/3) ... [2022-07-13 17:57:34,182 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product09.cil.c [2022-07-13 17:57:34,194 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 17:57:34,207 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 17:57:34,261 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 17:57:34,266 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7187123e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7728f0a1 [2022-07-13 17:57:34,267 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 17:57:34,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 52 states have internal predecessors, (67), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-13 17:57:34,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-13 17:57:34,289 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:57:34,290 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:57:34,290 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:57:34,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:57:34,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1206274499, now seen corresponding path program 1 times [2022-07-13 17:57:34,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:57:34,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240219494] [2022-07-13 17:57:34,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:57:34,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:57:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:57:34,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 17:57:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:57:34,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:57:34,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:57:34,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240219494] [2022-07-13 17:57:34,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240219494] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:57:34,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:57:34,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 17:57:34,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933837540] [2022-07-13 17:57:34,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:57:34,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 17:57:34,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:57:34,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 17:57:34,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 17:57:34,573 INFO L87 Difference]: Start difference. First operand has 62 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 52 states have internal predecessors, (67), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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) [2022-07-13 17:57:34,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:57:34,605 INFO L93 Difference]: Finished difference Result 116 states and 157 transitions. [2022-07-13 17:57:34,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 17:57:34,607 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 [2022-07-13 17:57:34,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:57:34,616 INFO L225 Difference]: With dead ends: 116 [2022-07-13 17:57:34,617 INFO L226 Difference]: Without dead ends: 53 [2022-07-13 17:57:34,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 17:57:34,625 INFO L413 NwaCegarLoop]: 75 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, 75 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:57:34,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:57:34,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-07-13 17:57:34,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-07-13 17:57:34,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 44 states have internal predecessors, (53), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-07-13 17:57:34,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2022-07-13 17:57:34,673 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 23 [2022-07-13 17:57:34,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:57:34,673 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2022-07-13 17:57:34,674 INFO L496 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) [2022-07-13 17:57:34,674 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2022-07-13 17:57:34,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-13 17:57:34,677 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:57:34,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:57:34,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 17:57:34,678 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:57:34,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:57:34,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1465327055, now seen corresponding path program 1 times [2022-07-13 17:57:34,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:57:34,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734044096] [2022-07-13 17:57:34,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:57:34,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:57:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:57:34,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 17:57:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:57:34,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:57:34,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:57:34,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734044096] [2022-07-13 17:57:34,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734044096] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:57:34,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:57:34,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 17:57:34,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905647351] [2022-07-13 17:57:34,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:57:34,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:57:34,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:57:34,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:57:34,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:57:34,750 INFO L87 Difference]: Start difference. First operand 53 states and 66 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) [2022-07-13 17:57:34,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:57:34,759 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions. [2022-07-13 17:57:34,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:57:34,760 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 [2022-07-13 17:57:34,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:57:34,761 INFO L225 Difference]: With dead ends: 72 [2022-07-13 17:57:34,761 INFO L226 Difference]: Without dead ends: 44 [2022-07-13 17:57:34,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:57:34,763 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 12 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:57:34,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:57:34,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-07-13 17:57:34,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-07-13 17:57:34,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 38 states have internal predecessors, (46), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-13 17:57:34,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 54 transitions. [2022-07-13 17:57:34,769 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 54 transitions. Word has length 24 [2022-07-13 17:57:34,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:57:34,769 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 54 transitions. [2022-07-13 17:57:34,769 INFO L496 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) [2022-07-13 17:57:34,769 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2022-07-13 17:57:34,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-13 17:57:34,770 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:57:34,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:57:34,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 17:57:34,771 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:57:34,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:57:34,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1007776113, now seen corresponding path program 1 times [2022-07-13 17:57:34,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:57:34,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470479420] [2022-07-13 17:57:34,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:57:34,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:57:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:57:34,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 17:57:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:57:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:57:34,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:57:34,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470479420] [2022-07-13 17:57:34,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470479420] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:57:34,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:57:34,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:57:34,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202181359] [2022-07-13 17:57:34,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:57:34,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:57:34,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:57:34,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:57:34,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:57:34,877 INFO L87 Difference]: Start difference. First operand 44 states and 54 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) [2022-07-13 17:57:34,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:57:34,930 INFO L93 Difference]: Finished difference Result 81 states and 102 transitions. [2022-07-13 17:57:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 17:57:34,931 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 [2022-07-13 17:57:34,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:57:34,932 INFO L225 Difference]: With dead ends: 81 [2022-07-13 17:57:34,945 INFO L226 Difference]: Without dead ends: 44 [2022-07-13 17:57:34,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-13 17:57:34,948 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 80 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:57:34,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 99 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:57:34,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-07-13 17:57:34,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-07-13 17:57:34,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 38 states have internal predecessors, (45), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-13 17:57:34,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2022-07-13 17:57:34,964 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 28 [2022-07-13 17:57:34,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:57:34,965 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2022-07-13 17:57:34,965 INFO L496 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) [2022-07-13 17:57:34,965 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2022-07-13 17:57:34,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-13 17:57:34,966 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:57:34,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:57:34,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 17:57:34,967 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:57:34,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:57:34,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1539641432, now seen corresponding path program 1 times [2022-07-13 17:57:34,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:57:34,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901915170] [2022-07-13 17:57:34,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:57:34,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:57:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:57:35,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 17:57:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:57:35,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:57:35,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:57:35,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901915170] [2022-07-13 17:57:35,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901915170] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:57:35,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:57:35,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 17:57:35,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525391341] [2022-07-13 17:57:35,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:57:35,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 17:57:35,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:57:35,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 17:57:35,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 17:57:35,037 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:57:35,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:57:35,061 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2022-07-13 17:57:35,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 17:57:35,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-07-13 17:57:35,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:57:35,063 INFO L225 Difference]: With dead ends: 80 [2022-07-13 17:57:35,063 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 17:57:35,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:57:35,065 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 32 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:57:35,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 133 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:57:35,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 17:57:35,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 17:57:35,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 17:57:35,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 17:57:35,067 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2022-07-13 17:57:35,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:57:35,067 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 17:57:35,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:57:35,067 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 17:57:35,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 17:57:35,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 17:57:35,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 17:57:35,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 17:57:35,218 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 486 497) the Hoare annotation is: true [2022-07-13 17:57:35,218 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 486 497) no Hoare annotation was computed. [2022-07-13 17:57:35,219 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 486 497) no Hoare annotation was computed. [2022-07-13 17:57:35,219 INFO L895 garLoopResultBuilder]: At program point L545(lines 540 547) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2022-07-13 17:57:35,219 INFO L899 garLoopResultBuilder]: For program point L659-1(lines 658 677) no Hoare annotation was computed. [2022-07-13 17:57:35,219 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 655 678) no Hoare annotation was computed. [2022-07-13 17:57:35,220 INFO L895 garLoopResultBuilder]: At program point L736(lines 731 739) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |timeShift_isPumpRunning_#res#1| 0)) [2022-07-13 17:57:35,220 INFO L899 garLoopResultBuilder]: For program point L544(line 544) no Hoare annotation was computed. [2022-07-13 17:57:35,220 INFO L899 garLoopResultBuilder]: For program point L666-1(lines 666 672) no Hoare annotation was computed. [2022-07-13 17:57:35,220 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 860) no Hoare annotation was computed. [2022-07-13 17:57:35,221 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2022-07-13 17:57:35,221 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 863) no Hoare annotation was computed. [2022-07-13 17:57:35,221 INFO L902 garLoopResultBuilder]: At program point L850-1(lines 842 866) the Hoare annotation is: true [2022-07-13 17:57:35,221 INFO L895 garLoopResultBuilder]: At program point L466-2(lines 462 473) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2022-07-13 17:57:35,221 INFO L902 garLoopResultBuilder]: At program point L848(line 848) the Hoare annotation is: true [2022-07-13 17:57:35,223 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 655 678) the Hoare annotation is: true [2022-07-13 17:57:35,223 INFO L899 garLoopResultBuilder]: For program point L848-1(line 848) no Hoare annotation was computed. [2022-07-13 17:57:35,223 INFO L902 garLoopResultBuilder]: At program point L683(lines 679 685) the Hoare annotation is: true [2022-07-13 17:57:35,223 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 655 678) no Hoare annotation was computed. [2022-07-13 17:57:35,224 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2022-07-13 17:57:35,225 INFO L902 garLoopResultBuilder]: At program point L576(lines 551 580) the Hoare annotation is: true [2022-07-13 17:57:35,227 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 551 580) no Hoare annotation was computed. [2022-07-13 17:57:35,228 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 551 580) the Hoare annotation is: true [2022-07-13 17:57:35,228 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-07-13 17:57:35,228 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2022-07-13 17:57:35,228 INFO L902 garLoopResultBuilder]: At program point L565-1(lines 565 569) the Hoare annotation is: true [2022-07-13 17:57:35,229 INFO L899 garLoopResultBuilder]: For program point L562(line 562) no Hoare annotation was computed. [2022-07-13 17:57:35,229 INFO L902 garLoopResultBuilder]: At program point L561-2(lines 561 575) the Hoare annotation is: true [2022-07-13 17:57:35,229 INFO L902 garLoopResultBuilder]: At program point L557(line 557) the Hoare annotation is: true [2022-07-13 17:57:35,229 INFO L899 garLoopResultBuilder]: For program point L557-1(line 557) no Hoare annotation was computed. [2022-07-13 17:57:35,234 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 498 506) the Hoare annotation is: true [2022-07-13 17:57:35,235 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 498 506) no Hoare annotation was computed. [2022-07-13 17:57:35,235 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 498 506) no Hoare annotation was computed. [2022-07-13 17:57:35,235 INFO L895 garLoopResultBuilder]: At program point L799(line 799) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:57:35,235 INFO L899 garLoopResultBuilder]: For program point L634(lines 634 641) no Hoare annotation was computed. [2022-07-13 17:57:35,235 INFO L899 garLoopResultBuilder]: For program point L634-2(lines 634 641) no Hoare annotation was computed. [2022-07-13 17:57:35,235 INFO L902 garLoopResultBuilder]: At program point L643(lines 624 646) the Hoare annotation is: true [2022-07-13 17:57:35,237 INFO L895 garLoopResultBuilder]: At program point L610(lines 606 612) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-07-13 17:57:35,237 INFO L895 garLoopResultBuilder]: At program point L833(lines 786 834) the Hoare annotation is: false [2022-07-13 17:57:35,237 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 17:57:35,238 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 17:57:35,238 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 17:57:35,238 INFO L899 garLoopResultBuilder]: For program point L788(lines 787 832) no Hoare annotation was computed. [2022-07-13 17:57:35,238 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 828) no Hoare annotation was computed. [2022-07-13 17:57:35,238 INFO L895 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:57:35,239 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 17:57:35,239 INFO L895 garLoopResultBuilder]: At program point L830(lines 787 832) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:57:35,239 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 803) no Hoare annotation was computed. [2022-07-13 17:57:35,239 INFO L899 garLoopResultBuilder]: For program point L797-1(lines 797 803) no Hoare annotation was computed. [2022-07-13 17:57:35,239 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 793) no Hoare annotation was computed. [2022-07-13 17:57:35,239 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-07-13 17:57:35,240 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-13 17:57:35,240 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 827) no Hoare annotation was computed. [2022-07-13 17:57:35,240 INFO L895 garLoopResultBuilder]: At program point L823-2(lines 817 828) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:57:35,240 INFO L902 garLoopResultBuilder]: At program point L621(lines 614 623) the Hoare annotation is: true [2022-07-13 17:57:35,240 INFO L899 garLoopResultBuilder]: For program point L807(lines 807 813) no Hoare annotation was computed. [2022-07-13 17:57:35,240 INFO L899 garLoopResultBuilder]: For program point L807-1(lines 807 813) no Hoare annotation was computed. [2022-07-13 17:57:35,241 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-13 17:57:35,241 INFO L902 garLoopResultBuilder]: At program point L836(lines 777 840) the Hoare annotation is: true [2022-07-13 17:57:35,241 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 474 485) no Hoare annotation was computed. [2022-07-13 17:57:35,241 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2022-07-13 17:57:35,242 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 474 485) the Hoare annotation is: true [2022-07-13 17:57:35,245 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-07-13 17:57:35,249 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 17:57:35,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 05:57:35 BoogieIcfgContainer [2022-07-13 17:57:35,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 17:57:35,267 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 17:57:35,267 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 17:57:35,267 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 17:57:35,268 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:57:34" (3/4) ... [2022-07-13 17:57:35,270 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 17:57:35,275 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-13 17:57:35,275 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-13 17:57:35,275 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-13 17:57:35,275 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-13 17:57:35,276 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-13 17:57:35,284 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2022-07-13 17:57:35,284 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-13 17:57:35,284 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 17:57:35,285 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 17:57:35,285 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 17:57:35,285 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:57:35,286 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:57:35,311 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive [2022-07-13 17:57:35,311 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive [2022-07-13 17:57:35,311 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0 [2022-07-13 17:57:35,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || !(1 == systemActive)) || \result == 0 [2022-07-13 17:57:35,346 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 17:57:35,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 17:57:35,347 INFO L158 Benchmark]: Toolchain (without parser) took 1974.27ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 50.0MB in the beginning and 50.4MB in the end (delta: -331.4kB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2022-07-13 17:57:35,348 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 63.7MB in the beginning and 63.6MB in the end (delta: 30.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 17:57:35,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.58ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 49.9MB in the beginning and 67.1MB in the end (delta: -17.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 17:57:35,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.09ms. Allocated memory is still 100.7MB. Free memory was 67.1MB in the beginning and 64.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:57:35,349 INFO L158 Benchmark]: Boogie Preprocessor took 21.00ms. Allocated memory is still 100.7MB. Free memory was 64.7MB in the beginning and 63.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:57:35,350 INFO L158 Benchmark]: RCFGBuilder took 321.09ms. Allocated memory is still 100.7MB. Free memory was 63.4MB in the beginning and 49.2MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-13 17:57:35,351 INFO L158 Benchmark]: TraceAbstraction took 1099.18ms. Allocated memory is still 100.7MB. Free memory was 48.7MB in the beginning and 54.5MB in the end (delta: -5.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 17:57:35,351 INFO L158 Benchmark]: Witness Printer took 79.17ms. Allocated memory is still 100.7MB. Free memory was 54.5MB in the beginning and 50.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 17:57:35,354 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 63.7MB in the beginning and 63.6MB in the end (delta: 30.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.58ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 49.9MB in the beginning and 67.1MB in the end (delta: -17.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.09ms. Allocated memory is still 100.7MB. Free memory was 67.1MB in the beginning and 64.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.00ms. Allocated memory is still 100.7MB. Free memory was 64.7MB in the beginning and 63.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 321.09ms. Allocated memory is still 100.7MB. Free memory was 63.4MB in the beginning and 49.2MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1099.18ms. Allocated memory is still 100.7MB. Free memory was 48.7MB in the beginning and 54.5MB in the end (delta: -5.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 79.17ms. Allocated memory is still 100.7MB. Free memory was 54.5MB in the beginning and 50.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 544]: 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 6 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 397 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 176 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 221 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 91 PreInvPairs, 104 NumberOfFragments, 147 HoareAnnotationTreeSize, 91 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 125 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 198 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || !(1 == systemActive)) || \result == 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-13 17:57:35,421 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