./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_spec5_product03.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 db8fa4142710656a2cf6992c61a703485566be309c58b9bda433457e238bbe1a --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:09:20,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:09:20,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:09:20,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:09:20,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:09:20,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:09:20,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:09:20,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:09:20,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:09:20,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:09:20,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:09:20,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:09:20,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:09:20,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:09:20,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:09:20,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:09:20,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:09:20,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:09:20,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:09:20,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:09:20,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:09:20,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:09:20,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:09:20,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:09:20,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:09:20,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:09:20,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:09:20,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:09:20,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:09:20,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:09:20,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:09:20,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:09:20,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:09:20,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:09:20,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:09:20,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:09:20,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:09:20,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:09:20,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:09:20,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:09:20,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:09:20,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:09:20,808 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:09:20,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:09:20,809 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:09:20,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:09:20,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:09:20,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:09:20,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:09:20,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:09:20,811 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:09:20,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:09:20,812 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:09:20,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:09:20,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:09:20,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:09:20,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:09:20,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:09:20,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:09:20,813 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:09:20,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:09:20,814 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:09:20,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:09:20,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:09:20,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:09:20,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:09:20,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:09:20,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:09:20,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:09:20,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:09:20,816 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:09:20,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:09:20,816 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:09:20,816 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:09:20,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:09:20,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:09:20,817 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db8fa4142710656a2cf6992c61a703485566be309c58b9bda433457e238bbe1a [2021-12-17 15:09:21,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:09:21,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:09:21,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:09:21,069 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:09:21,070 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:09:21,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c [2021-12-17 15:09:21,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/525490b89/130b1e5ef3eb4c4a86210eb81ff6acda/FLAGf5d7ece31 [2021-12-17 15:09:21,538 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:09:21,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c [2021-12-17 15:09:21,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/525490b89/130b1e5ef3eb4c4a86210eb81ff6acda/FLAGf5d7ece31 [2021-12-17 15:09:21,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/525490b89/130b1e5ef3eb4c4a86210eb81ff6acda [2021-12-17 15:09:21,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:09:21,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:09:21,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:09:21,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:09:21,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:09:21,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:21" (1/1) ... [2021-12-17 15:09:21,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f694f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:21, skipping insertion in model container [2021-12-17 15:09:21,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:21" (1/1) ... [2021-12-17 15:09:21,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:09:21,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:09:21,753 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_spec5_product03.cil.c[1605,1618] [2021-12-17 15:09:21,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:09:21,881 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:09:21,892 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_spec5_product03.cil.c[1605,1618] [2021-12-17 15:09:21,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:09:21,941 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:09:21,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:21 WrapperNode [2021-12-17 15:09:21,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:09:21,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:09:21,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:09:21,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:09:21,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:21" (1/1) ... [2021-12-17 15:09:21,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:21" (1/1) ... [2021-12-17 15:09:21,982 INFO L137 Inliner]: procedures = 52, calls = 149, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 198 [2021-12-17 15:09:21,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:09:21,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:09:21,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:09:21,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:09:21,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:21" (1/1) ... [2021-12-17 15:09:21,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:21" (1/1) ... [2021-12-17 15:09:21,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:21" (1/1) ... [2021-12-17 15:09:21,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:21" (1/1) ... [2021-12-17 15:09:21,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:21" (1/1) ... [2021-12-17 15:09:21,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:21" (1/1) ... [2021-12-17 15:09:22,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:21" (1/1) ... [2021-12-17 15:09:22,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:09:22,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:09:22,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:09:22,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:09:22,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:21" (1/1) ... [2021-12-17 15:09:22,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:09:22,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:22,036 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) [2021-12-17 15:09:22,054 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 [2021-12-17 15:09:22,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:09:22,069 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:09:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:09:22,070 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:09:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:09:22,070 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:09:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:09:22,070 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-17 15:09:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-17 15:09:22,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:09:22,070 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:09:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:09:22,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:09:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:09:22,146 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:09:22,147 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:09:22,329 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:09:22,334 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:09:22,334 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:09:22,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:22 BoogieIcfgContainer [2021-12-17 15:09:22,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:09:22,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:09:22,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:09:22,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:09:22,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:09:21" (1/3) ... [2021-12-17 15:09:22,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a6bb46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:22, skipping insertion in model container [2021-12-17 15:09:22,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:21" (2/3) ... [2021-12-17 15:09:22,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a6bb46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:22, skipping insertion in model container [2021-12-17 15:09:22,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:22" (3/3) ... [2021-12-17 15:09:22,341 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product03.cil.c [2021-12-17 15:09:22,344 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:09:22,344 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:09:22,373 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:09:22,377 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 [2021-12-17 15:09:22,378 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:09:22,399 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 57 states have (on average 1.368421052631579) internal successors, (78), 61 states have internal predecessors, (78), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-17 15:09:22,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-17 15:09:22,403 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:22,404 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-12-17 15:09:22,404 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:22,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:22,408 INFO L85 PathProgramCache]: Analyzing trace with hash -515124903, now seen corresponding path program 1 times [2021-12-17 15:09:22,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:22,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065701963] [2021-12-17 15:09:22,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:22,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-17 15:09:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:09:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:22,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:22,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065701963] [2021-12-17 15:09:22,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065701963] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:22,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:22,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:09:22,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952486833] [2021-12-17 15:09:22,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:22,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:09:22,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:22,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:09:22,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:09:22,662 INFO L87 Difference]: Start difference. First operand has 72 states, 57 states have (on average 1.368421052631579) internal successors, (78), 61 states have internal predecessors, (78), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:22,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:22,688 INFO L93 Difference]: Finished difference Result 135 states and 182 transitions. [2021-12-17 15:09:22,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:09:22,689 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-17 15:09:22,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:22,694 INFO L225 Difference]: With dead ends: 135 [2021-12-17 15:09:22,694 INFO L226 Difference]: Without dead ends: 63 [2021-12-17 15:09:22,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:09:22,701 INFO L933 BasicCegarLoop]: 88 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, 88 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 [2021-12-17 15:09:22,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:22,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-12-17 15:09:22,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-12-17 15:09:22,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.28) internal successors, (64), 53 states have internal predecessors, (64), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-17 15:09:22,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2021-12-17 15:09:22,746 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 32 [2021-12-17 15:09:22,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:22,747 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions. [2021-12-17 15:09:22,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:22,747 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2021-12-17 15:09:22,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-17 15:09:22,749 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:22,749 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-12-17 15:09:22,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:09:22,751 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:22,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:22,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1191843792, now seen corresponding path program 1 times [2021-12-17 15:09:22,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:22,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391107857] [2021-12-17 15:09:22,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:22,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:09:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:09:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,820 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:22,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:22,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391107857] [2021-12-17 15:09:22,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391107857] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:22,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:22,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:09:22,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693852858] [2021-12-17 15:09:22,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:22,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:09:22,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:22,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:09:22,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:22,824 INFO L87 Difference]: Start difference. First operand 63 states and 79 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:22,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:22,834 INFO L93 Difference]: Finished difference Result 87 states and 108 transitions. [2021-12-17 15:09:22,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:09:22,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-17 15:09:22,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:22,835 INFO L225 Difference]: With dead ends: 87 [2021-12-17 15:09:22,836 INFO L226 Difference]: Without dead ends: 54 [2021-12-17 15:09:22,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:22,837 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 17 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 111 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 [2021-12-17 15:09:22,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 111 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:22,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-12-17 15:09:22,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-12-17 15:09:22,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 47 states have internal predecessors, (57), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-17 15:09:22,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2021-12-17 15:09:22,843 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 33 [2021-12-17 15:09:22,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:22,845 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2021-12-17 15:09:22,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:22,845 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2021-12-17 15:09:22,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-17 15:09:22,847 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:22,847 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-12-17 15:09:22,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:09:22,848 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:22,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:22,849 INFO L85 PathProgramCache]: Analyzing trace with hash -948437565, now seen corresponding path program 1 times [2021-12-17 15:09:22,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:22,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77606280] [2021-12-17 15:09:22,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:22,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:09:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-17 15:09:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:22,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:22,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:22,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77606280] [2021-12-17 15:09:22,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77606280] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:22,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:22,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:09:22,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128158213] [2021-12-17 15:09:22,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:22,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:09:22,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:22,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:09:22,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:09:22,972 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:23,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:23,101 INFO L93 Difference]: Finished difference Result 189 states and 244 transitions. [2021-12-17 15:09:23,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:09:23,102 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2021-12-17 15:09:23,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:23,104 INFO L225 Difference]: With dead ends: 189 [2021-12-17 15:09:23,104 INFO L226 Difference]: Without dead ends: 143 [2021-12-17 15:09:23,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:09:23,106 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 171 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:23,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 328 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:09:23,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-12-17 15:09:23,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 133. [2021-12-17 15:09:23,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 105 states have (on average 1.3333333333333333) internal successors, (140), 112 states have internal predecessors, (140), 15 states have call successors, (15), 12 states have call predecessors, (15), 12 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2021-12-17 15:09:23,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 171 transitions. [2021-12-17 15:09:23,123 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 171 transitions. Word has length 37 [2021-12-17 15:09:23,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:23,123 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 171 transitions. [2021-12-17 15:09:23,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 15:09:23,124 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 171 transitions. [2021-12-17 15:09:23,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-17 15:09:23,125 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:23,125 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-12-17 15:09:23,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:09:23,126 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:23,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:23,130 INFO L85 PathProgramCache]: Analyzing trace with hash -739007729, now seen corresponding path program 1 times [2021-12-17 15:09:23,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:23,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735273088] [2021-12-17 15:09:23,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:23,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:23,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:09:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:23,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-17 15:09:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:23,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 15:09:23,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:23,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735273088] [2021-12-17 15:09:23,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735273088] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:23,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:23,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:09:23,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796415587] [2021-12-17 15:09:23,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:23,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:09:23,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:23,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:09:23,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:09:23,238 INFO L87 Difference]: Start difference. First operand 133 states and 171 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:23,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:23,313 INFO L93 Difference]: Finished difference Result 255 states and 331 transitions. [2021-12-17 15:09:23,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:09:23,314 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2021-12-17 15:09:23,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:23,314 INFO L225 Difference]: With dead ends: 255 [2021-12-17 15:09:23,314 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:09:23,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:09:23,320 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 31 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:23,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 202 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:23,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:09:23,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:09:23,325 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) [2021-12-17 15:09:23,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:09:23,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2021-12-17 15:09:23,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:23,325 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:09:23,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:23,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:09:23,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:09:23,328 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:09:23,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:09:23,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:09:23,517 INFO L858 garLoopResultBuilder]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2021-12-17 15:09:23,517 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 843 854) the Hoare annotation is: true [2021-12-17 15:09:23,517 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2021-12-17 15:09:23,517 INFO L854 garLoopResultBuilder]: At program point L609(lines 605 611) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 0 ~systemActive~0))) [2021-12-17 15:09:23,517 INFO L858 garLoopResultBuilder]: For program point L799(lines 799 809) no Hoare annotation was computed. [2021-12-17 15:09:23,517 INFO L858 garLoopResultBuilder]: For program point L795(lines 795 812) no Hoare annotation was computed. [2021-12-17 15:09:23,517 INFO L861 garLoopResultBuilder]: At program point L795-1(lines 787 815) the Hoare annotation is: true [2021-12-17 15:09:23,517 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 591) no Hoare annotation was computed. [2021-12-17 15:09:23,517 INFO L858 garLoopResultBuilder]: For program point L585-2(lines 581 603) no Hoare annotation was computed. [2021-12-17 15:09:23,517 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 578 604) no Hoare annotation was computed. [2021-12-17 15:09:23,518 INFO L858 garLoopResultBuilder]: For program point L800(lines 800 806) no Hoare annotation was computed. [2021-12-17 15:09:23,518 INFO L861 garLoopResultBuilder]: At program point L784(lines 777 786) the Hoare annotation is: true [2021-12-17 15:09:23,518 INFO L861 garLoopResultBuilder]: At program point L797(line 797) the Hoare annotation is: true [2021-12-17 15:09:23,518 INFO L861 garLoopResultBuilder]: At program point L892(lines 887 895) the Hoare annotation is: true [2021-12-17 15:09:23,518 INFO L858 garLoopResultBuilder]: For program point L797-1(line 797) no Hoare annotation was computed. [2021-12-17 15:09:23,518 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-12-17 15:09:23,518 INFO L858 garLoopResultBuilder]: For program point L823(lines 823 827) no Hoare annotation was computed. [2021-12-17 15:09:23,518 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-12-17 15:09:23,518 INFO L854 garLoopResultBuilder]: At program point L823-2(lines 819 830) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-12-17 15:09:23,518 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 578 604) the Hoare annotation is: true [2021-12-17 15:09:23,518 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 592 598) no Hoare annotation was computed. [2021-12-17 15:09:23,519 INFO L861 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: true [2021-12-17 15:09:23,519 INFO L858 garLoopResultBuilder]: For program point L782-1(line 782) no Hoare annotation was computed. [2021-12-17 15:09:23,519 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 578 604) no Hoare annotation was computed. [2021-12-17 15:09:23,519 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-12-17 15:09:23,519 INFO L858 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2021-12-17 15:09:23,519 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 427 456) no Hoare annotation was computed. [2021-12-17 15:09:23,519 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 427 456) the Hoare annotation is: true [2021-12-17 15:09:23,519 INFO L858 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2021-12-17 15:09:23,519 INFO L861 garLoopResultBuilder]: At program point L441-1(lines 441 445) the Hoare annotation is: true [2021-12-17 15:09:23,519 INFO L858 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2021-12-17 15:09:23,519 INFO L861 garLoopResultBuilder]: At program point L437-2(lines 437 451) the Hoare annotation is: true [2021-12-17 15:09:23,519 INFO L861 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: true [2021-12-17 15:09:23,520 INFO L858 garLoopResultBuilder]: For program point L433-1(line 433) no Hoare annotation was computed. [2021-12-17 15:09:23,520 INFO L861 garLoopResultBuilder]: At program point L452(lines 427 456) the Hoare annotation is: true [2021-12-17 15:09:23,520 INFO L854 garLoopResultBuilder]: At program point L696(lines 684 698) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:09:23,520 INFO L854 garLoopResultBuilder]: At program point L758(lines 709 759) the Hoare annotation is: false [2021-12-17 15:09:23,520 INFO L858 garLoopResultBuilder]: For program point L688(lines 688 694) no Hoare annotation was computed. [2021-12-17 15:09:23,520 INFO L858 garLoopResultBuilder]: For program point L688-2(lines 688 694) no Hoare annotation was computed. [2021-12-17 15:09:23,520 INFO L858 garLoopResultBuilder]: For program point L746(lines 746 752) no Hoare annotation was computed. [2021-12-17 15:09:23,520 INFO L854 garLoopResultBuilder]: At program point L746-2(lines 740 753) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:09:23,520 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:09:23,520 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:09:23,520 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:09:23,520 INFO L858 garLoopResultBuilder]: For program point L730(lines 730 736) no Hoare annotation was computed. [2021-12-17 15:09:23,520 INFO L858 garLoopResultBuilder]: For program point L730-1(lines 730 736) no Hoare annotation was computed. [2021-12-17 15:09:23,521 INFO L854 garLoopResultBuilder]: At program point L755(lines 710 757) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:09:23,521 INFO L854 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:09:23,521 INFO L854 garLoopResultBuilder]: At program point L561(lines 556 564) the Hoare annotation is: (and (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:23,521 INFO L854 garLoopResultBuilder]: At program point L553(lines 549 555) the Hoare annotation is: (and (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:23,521 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:09:23,521 INFO L854 garLoopResultBuilder]: At program point L488(lines 484 490) the Hoare annotation is: (and (= ~systemActive~0 |ULTIMATE.start_main_~tmp~3#1|) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:23,521 INFO L858 garLoopResultBuilder]: For program point L711(lines 710 757) no Hoare annotation was computed. [2021-12-17 15:09:23,521 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 524) no Hoare annotation was computed. [2021-12-17 15:09:23,521 INFO L858 garLoopResultBuilder]: For program point L740(lines 740 753) no Hoare annotation was computed. [2021-12-17 15:09:23,521 INFO L858 garLoopResultBuilder]: For program point L517-2(lines 517 524) no Hoare annotation was computed. [2021-12-17 15:09:23,521 INFO L854 garLoopResultBuilder]: At program point L546(lines 542 548) the Hoare annotation is: (and (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:23,521 INFO L854 garLoopResultBuilder]: At program point L732(line 732) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:09:23,521 INFO L861 garLoopResultBuilder]: At program point L761(lines 700 765) the Hoare annotation is: true [2021-12-17 15:09:23,522 INFO L861 garLoopResultBuilder]: At program point L501(lines 493 503) the Hoare annotation is: true [2021-12-17 15:09:23,522 INFO L854 garLoopResultBuilder]: At program point L625(lines 620 627) the Hoare annotation is: false [2021-12-17 15:09:23,522 INFO L858 garLoopResultBuilder]: For program point L720(lines 720 726) no Hoare annotation was computed. [2021-12-17 15:09:23,522 INFO L858 garLoopResultBuilder]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2021-12-17 15:09:23,522 INFO L861 garLoopResultBuilder]: At program point L526(lines 507 529) the Hoare annotation is: true [2021-12-17 15:09:23,522 INFO L858 garLoopResultBuilder]: For program point L712(lines 712 716) no Hoare annotation was computed. [2021-12-17 15:09:23,522 INFO L854 garLoopResultBuilder]: At program point L774(lines 769 776) the Hoare annotation is: (and (= ~systemActive~0 |ULTIMATE.start_main_~tmp~3#1|) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:23,522 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2021-12-17 15:09:23,522 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 831 842) the Hoare annotation is: true [2021-12-17 15:09:23,522 INFO L858 garLoopResultBuilder]: For program point L835-1(lines 831 842) no Hoare annotation was computed. [2021-12-17 15:09:23,522 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 639 647) no Hoare annotation was computed. [2021-12-17 15:09:23,522 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 639 647) the Hoare annotation is: true [2021-12-17 15:09:23,522 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 639 647) no Hoare annotation was computed. [2021-12-17 15:09:23,525 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-17 15:09:23,526 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:09:23,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:09:23 BoogieIcfgContainer [2021-12-17 15:09:23,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:09:23,536 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:09:23,536 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:09:23,536 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:09:23,536 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:22" (3/4) ... [2021-12-17 15:09:23,538 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:09:23,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:09:23,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:09:23,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:09:23,543 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:09:23,543 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-17 15:09:23,547 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2021-12-17 15:09:23,547 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:09:23,547 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:09:23,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:09:23,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:09:23,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:09:23,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:09:23,562 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (systemActive == \result && systemActive == 1) && pumpRunning == 0 [2021-12-17 15:09:23,562 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((systemActive == tmp && systemActive == \result) && systemActive == 1) && pumpRunning == 0 [2021-12-17 15:09:23,563 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((systemActive == tmp && systemActive == \result) && systemActive == 1) && pumpRunning == 0 [2021-12-17 15:09:23,578 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:09:23,578 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:09:23,579 INFO L158 Benchmark]: Toolchain (without parser) took 2016.25ms. Allocated memory is still 107.0MB. Free memory was 75.8MB in the beginning and 68.5MB in the end (delta: 7.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-12-17 15:09:23,579 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 86.0MB. Free memory was 45.3MB in the beginning and 45.3MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:09:23,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.56ms. Allocated memory is still 107.0MB. Free memory was 75.6MB in the beginning and 76.8MB in the end (delta: -1.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-17 15:09:23,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.80ms. Allocated memory is still 107.0MB. Free memory was 76.8MB in the beginning and 74.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:09:23,580 INFO L158 Benchmark]: Boogie Preprocessor took 17.79ms. Allocated memory is still 107.0MB. Free memory was 74.7MB in the beginning and 73.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:09:23,580 INFO L158 Benchmark]: RCFGBuilder took 324.57ms. Allocated memory is still 107.0MB. Free memory was 73.1MB in the beginning and 59.0MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-17 15:09:23,580 INFO L158 Benchmark]: TraceAbstraction took 1198.78ms. Allocated memory is still 107.0MB. Free memory was 58.4MB in the beginning and 73.5MB in the end (delta: -15.0MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2021-12-17 15:09:23,580 INFO L158 Benchmark]: Witness Printer took 42.14ms. Allocated memory is still 107.0MB. Free memory was 73.5MB in the beginning and 68.5MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-17 15:09:23,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 86.0MB. Free memory was 45.3MB in the beginning and 45.3MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.56ms. Allocated memory is still 107.0MB. Free memory was 75.6MB in the beginning and 76.8MB in the end (delta: -1.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.80ms. Allocated memory is still 107.0MB. Free memory was 76.8MB in the beginning and 74.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.79ms. Allocated memory is still 107.0MB. Free memory was 74.7MB in the beginning and 73.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 324.57ms. Allocated memory is still 107.0MB. Free memory was 73.1MB in the beginning and 59.0MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1198.78ms. Allocated memory is still 107.0MB. Free memory was 58.4MB in the beginning and 73.5MB in the end (delta: -15.0MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Witness Printer took 42.14ms. Allocated memory is still 107.0MB. Free memory was 73.5MB in the beginning and 68.5MB in the end (delta: 5.0MB). 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: 54]: 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, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 223 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 219 mSDsluCounter, 729 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 442 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 287 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=3, InterpolantAutomatonStates: 17, 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, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 167 PreInvPairs, 203 NumberOfFragments, 121 HoareAnnotationTreeSize, 167 FomulaSimplifications, 45 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 566 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 263 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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: 556]: Loop Invariant Derived loop invariant: (systemActive == \result && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: systemActive == 1 && pumpRunning == 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: ((systemActive == tmp && systemActive == \result) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: systemActive == 1 && pumpRunning == 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(0 == systemActive) - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: ((systemActive == tmp && systemActive == \result) && systemActive == 1) && pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-12-17 15:09:23,646 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