./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product11.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_spec1_product11.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 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:06:20,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:06:20,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:06:20,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:06:20,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:06:20,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:06:20,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:06:20,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:06:20,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:06:20,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:06:20,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:06:20,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:06:20,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:06:20,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:06:20,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:06:20,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:06:20,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:06:20,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:06:20,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:06:20,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:06:20,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:06:20,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:06:20,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:06:20,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:06:20,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:06:20,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:06:20,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:06:20,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:06:20,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:06:20,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:06:20,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:06:20,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:06:20,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:06:20,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:06:20,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:06:20,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:06:20,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:06:20,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:06:20,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:06:20,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:06:20,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:06:20,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:06:20,158 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:06:20,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:06:20,159 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:06:20,159 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:06:20,160 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:06:20,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:06:20,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:06:20,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:06:20,161 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:06:20,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:06:20,162 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:06:20,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:06:20,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:06:20,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:06:20,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:06:20,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:06:20,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:06:20,163 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:06:20,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:06:20,164 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:06:20,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:06:20,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:06:20,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:06:20,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:06:20,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:06:20,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:06:20,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:06:20,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:06:20,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:06:20,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:06:20,165 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:06:20,165 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:06:20,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:06:20,166 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:06:20,166 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 [2021-12-17 15:06:20,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:06:20,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:06:20,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:06:20,386 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:06:20,387 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:06:20,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2021-12-17 15:06:20,500 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12bcae26e/01bae87f37f84f85b4262b37754be379/FLAG827993305 [2021-12-17 15:06:20,882 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:06:20,883 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2021-12-17 15:06:20,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12bcae26e/01bae87f37f84f85b4262b37754be379/FLAG827993305 [2021-12-17 15:06:20,906 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12bcae26e/01bae87f37f84f85b4262b37754be379 [2021-12-17 15:06:20,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:06:20,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:06:20,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:06:20,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:06:20,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:06:20,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:06:20" (1/1) ... [2021-12-17 15:06:20,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36cbb52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:20, skipping insertion in model container [2021-12-17 15:06:20,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:06:20" (1/1) ... [2021-12-17 15:06:20,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:06:20,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:06:21,114 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_product11.cil.c[6038,6051] [2021-12-17 15:06:21,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:06:21,195 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:06:21,225 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_product11.cil.c[6038,6051] [2021-12-17 15:06:21,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:06:21,297 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:06:21,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:21 WrapperNode [2021-12-17 15:06:21,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:06:21,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:06:21,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:06:21,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:06:21,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:21" (1/1) ... [2021-12-17 15:06:21,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:21" (1/1) ... [2021-12-17 15:06:21,351 INFO L137 Inliner]: procedures = 51, calls = 148, calls flagged for inlining = 20, calls inlined = 15, statements flattened = 187 [2021-12-17 15:06:21,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:06:21,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:06:21,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:06:21,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:06:21,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:21" (1/1) ... [2021-12-17 15:06:21,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:21" (1/1) ... [2021-12-17 15:06:21,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:21" (1/1) ... [2021-12-17 15:06:21,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:21" (1/1) ... [2021-12-17 15:06:21,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:21" (1/1) ... [2021-12-17 15:06:21,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:21" (1/1) ... [2021-12-17 15:06:21,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:21" (1/1) ... [2021-12-17 15:06:21,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:06:21,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:06:21,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:06:21,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:06:21,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:21" (1/1) ... [2021-12-17 15:06:21,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:06:21,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:06:21,446 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 15:06:21,449 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 15:06:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:06:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-17 15:06:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-17 15:06:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:06:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:06:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:06:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:06:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:06:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:06:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:06:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:06:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:06:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:06:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:06:21,550 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:06:21,552 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:06:21,783 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:06:21,788 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:06:21,788 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:06:21,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:06:21 BoogieIcfgContainer [2021-12-17 15:06:21,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:06:21,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:06:21,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:06:21,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:06:21,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:06:20" (1/3) ... [2021-12-17 15:06:21,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c65c4c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:06:21, skipping insertion in model container [2021-12-17 15:06:21,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:21" (2/3) ... [2021-12-17 15:06:21,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c65c4c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:06:21, skipping insertion in model container [2021-12-17 15:06:21,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:06:21" (3/3) ... [2021-12-17 15:06:21,803 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2021-12-17 15:06:21,807 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:06:21,807 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:06:21,839 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:06:21,844 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 15:06:21,844 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:06:21,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 56 states have internal predecessors, (72), 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) [2021-12-17 15:06:21,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-17 15:06:21,874 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:06:21,874 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:06:21,875 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:06:21,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:06:21,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1989818001, now seen corresponding path program 1 times [2021-12-17 15:06:21,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:06:21,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175071662] [2021-12-17 15:06:21,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:06:21,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:06:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:22,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:06:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:22,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:06:22,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:06:22,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175071662] [2021-12-17 15:06:22,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175071662] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:06:22,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:06:22,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:06:22,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103975074] [2021-12-17 15:06:22,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:06:22,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:06:22,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:06:22,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:06:22,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:06:22,113 INFO L87 Difference]: Start difference. First operand has 66 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 56 states have internal predecessors, (72), 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) [2021-12-17 15:06:22,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:06:22,139 INFO L93 Difference]: Finished difference Result 124 states and 167 transitions. [2021-12-17 15:06:22,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:06:22,142 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-12-17 15:06:22,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:06:22,149 INFO L225 Difference]: With dead ends: 124 [2021-12-17 15:06:22,149 INFO L226 Difference]: Without dead ends: 57 [2021-12-17 15:06:22,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:06:22,155 INFO L933 BasicCegarLoop]: 80 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, 80 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 15:06:22,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:06:22,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-12-17 15:06:22,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-12-17 15:06:22,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 45 states have (on average 1.288888888888889) internal successors, (58), 48 states have internal predecessors, (58), 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) [2021-12-17 15:06:22,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2021-12-17 15:06:22,185 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 23 [2021-12-17 15:06:22,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:06:22,186 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2021-12-17 15:06:22,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:06:22,186 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2021-12-17 15:06:22,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-17 15:06:22,188 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:06:22,188 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:06:22,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:06:22,189 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:06:22,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:06:22,190 INFO L85 PathProgramCache]: Analyzing trace with hash 366452259, now seen corresponding path program 1 times [2021-12-17 15:06:22,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:06:22,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477119839] [2021-12-17 15:06:22,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:06:22,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:06:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:22,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-17 15:06:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:22,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:06:22,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:06:22,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477119839] [2021-12-17 15:06:22,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477119839] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:06:22,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:06:22,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:06:22,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495653668] [2021-12-17 15:06:22,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:06:22,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:06:22,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:06:22,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:06:22,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:06:22,238 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:06:22,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:06:22,246 INFO L93 Difference]: Finished difference Result 76 states and 93 transitions. [2021-12-17 15:06:22,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:06:22,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-12-17 15:06:22,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:06:22,247 INFO L225 Difference]: With dead ends: 76 [2021-12-17 15:06:22,247 INFO L226 Difference]: Without dead ends: 48 [2021-12-17 15:06:22,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:06:22,249 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 17 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 95 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 15:06:22,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 95 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:06:22,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-12-17 15:06:22,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2021-12-17 15:06:22,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 42 states have internal predecessors, (51), 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) [2021-12-17 15:06:22,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2021-12-17 15:06:22,255 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 24 [2021-12-17 15:06:22,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:06:22,256 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2021-12-17 15:06:22,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:06:22,256 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2021-12-17 15:06:22,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-17 15:06:22,257 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:06:22,257 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:06:22,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:06:22,257 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:06:22,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:06:22,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1516817852, now seen corresponding path program 1 times [2021-12-17 15:06:22,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:06:22,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291455329] [2021-12-17 15:06:22,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:06:22,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:06:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-17 15:06:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:22,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:06:22,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:06:22,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291455329] [2021-12-17 15:06:22,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291455329] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:06:22,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:06:22,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:06:22,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655884108] [2021-12-17 15:06:22,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:06:22,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:06:22,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:06:22,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:06:22,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:06:22,309 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:06:22,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:06:22,322 INFO L93 Difference]: Finished difference Result 129 states and 163 transitions. [2021-12-17 15:06:22,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:06:22,323 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-12-17 15:06:22,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:06:22,324 INFO L225 Difference]: With dead ends: 129 [2021-12-17 15:06:22,324 INFO L226 Difference]: Without dead ends: 88 [2021-12-17 15:06:22,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 15:06:22,326 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 39 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:06:22,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 111 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:06:22,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-12-17 15:06:22,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 83. [2021-12-17 15:06:22,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 66 states have (on average 1.3333333333333333) internal successors, (88), 71 states have internal predecessors, (88), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-17 15:06:22,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 104 transitions. [2021-12-17 15:06:22,336 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 104 transitions. Word has length 28 [2021-12-17 15:06:22,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:06:22,336 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 104 transitions. [2021-12-17 15:06:22,336 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:06:22,336 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 104 transitions. [2021-12-17 15:06:22,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-17 15:06:22,337 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:06:22,337 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:06:22,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:06:22,338 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:06:22,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:06:22,339 INFO L85 PathProgramCache]: Analyzing trace with hash -871834641, now seen corresponding path program 1 times [2021-12-17 15:06:22,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:06:22,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087462642] [2021-12-17 15:06:22,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:06:22,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:06:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:22,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:06:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:22,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:06:22,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:06:22,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087462642] [2021-12-17 15:06:22,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087462642] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:06:22,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:06:22,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:06:22,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196062506] [2021-12-17 15:06:22,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:06:22,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:06:22,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:06:22,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:06:22,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:06:22,426 INFO L87 Difference]: Start difference. First operand 83 states and 104 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 4 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) [2021-12-17 15:06:22,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:06:22,489 INFO L93 Difference]: Finished difference Result 235 states and 303 transitions. [2021-12-17 15:06:22,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:06:22,490 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 4 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 [2021-12-17 15:06:22,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:06:22,494 INFO L225 Difference]: With dead ends: 235 [2021-12-17 15:06:22,495 INFO L226 Difference]: Without dead ends: 159 [2021-12-17 15:06:22,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:06:22,497 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 34 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:06:22,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 272 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:06:22,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-12-17 15:06:22,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 153. [2021-12-17 15:06:22,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 120 states have (on average 1.3166666666666667) internal successors, (158), 129 states have internal predecessors, (158), 16 states have call successors, (16), 16 states have call predecessors, (16), 16 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) [2021-12-17 15:06:22,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 192 transitions. [2021-12-17 15:06:22,515 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 192 transitions. Word has length 29 [2021-12-17 15:06:22,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:06:22,515 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 192 transitions. [2021-12-17 15:06:22,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 4 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) [2021-12-17 15:06:22,515 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 192 transitions. [2021-12-17 15:06:22,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-17 15:06:22,516 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:06:22,516 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:06:22,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:06:22,517 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:06:22,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:06:22,517 INFO L85 PathProgramCache]: Analyzing trace with hash 684146155, now seen corresponding path program 1 times [2021-12-17 15:06:22,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:06:22,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572394922] [2021-12-17 15:06:22,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:06:22,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:06:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:22,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-17 15:06:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:06:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:22,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:06:22,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:06:22,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572394922] [2021-12-17 15:06:22,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572394922] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:06:22,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:06:22,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:06:22,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826461522] [2021-12-17 15:06:22,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:06:22,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:06:22,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:06:22,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:06:22,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:06:22,564 INFO L87 Difference]: Start difference. First operand 153 states and 192 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:06:22,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:06:22,628 INFO L93 Difference]: Finished difference Result 293 states and 372 transitions. [2021-12-17 15:06:22,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:06:22,629 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-17 15:06:22,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:06:22,629 INFO L225 Difference]: With dead ends: 293 [2021-12-17 15:06:22,629 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:06:22,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:06:22,631 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 47 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:06:22,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 130 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:06:22,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:06:22,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:06:22,633 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 15:06:22,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:06:22,633 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2021-12-17 15:06:22,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:06:22,633 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:06:22,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:06:22,634 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:06:22,634 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:06:22,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:06:22,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 15:06:22,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:06:22,871 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 440 451) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) [2021-12-17 15:06:22,871 INFO L858 garLoopResultBuilder]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2021-12-17 15:06:22,871 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 440 451) no Hoare annotation was computed. [2021-12-17 15:06:22,871 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 452 460) the Hoare annotation is: true [2021-12-17 15:06:22,872 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 452 460) no Hoare annotation was computed. [2021-12-17 15:06:22,872 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 452 460) no Hoare annotation was computed. [2021-12-17 15:06:22,872 INFO L858 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2021-12-17 15:06:22,872 INFO L854 garLoopResultBuilder]: At program point L281(lines 276 284) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= |timeShift_isPumpRunning_#res#1| 0)))) [2021-12-17 15:06:22,872 INFO L854 garLoopResultBuilder]: At program point L409(lines 404 411) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-12-17 15:06:22,872 INFO L858 garLoopResultBuilder]: For program point L502(lines 502 515) no Hoare annotation was computed. [2021-12-17 15:06:22,872 INFO L854 garLoopResultBuilder]: At program point L502-1(lines 494 518) the Hoare annotation is: (or (= |timeShift___utac_acc__Specification1_spec__1_~tmp~3#1| 0) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2021-12-17 15:06:22,873 INFO L861 garLoopResultBuilder]: At program point L500(line 500) the Hoare annotation is: true [2021-12-17 15:06:22,873 INFO L858 garLoopResultBuilder]: For program point L500-1(line 500) no Hoare annotation was computed. [2021-12-17 15:06:22,873 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2021-12-17 15:06:22,873 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 200 223) no Hoare annotation was computed. [2021-12-17 15:06:22,873 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2021-12-17 15:06:22,873 INFO L861 garLoopResultBuilder]: At program point L228(lines 224 230) the Hoare annotation is: true [2021-12-17 15:06:22,874 INFO L854 garLoopResultBuilder]: At program point L420-2(lines 416 427) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-12-17 15:06:22,875 INFO L858 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2021-12-17 15:06:22,875 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 200 223) the Hoare annotation is: true [2021-12-17 15:06:22,875 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 203 222) no Hoare annotation was computed. [2021-12-17 15:06:22,875 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 200 223) no Hoare annotation was computed. [2021-12-17 15:06:22,875 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 408) no Hoare annotation was computed. [2021-12-17 15:06:22,875 INFO L861 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2021-12-17 15:06:22,876 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2021-12-17 15:06:22,876 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-12-17 15:06:22,876 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2021-12-17 15:06:22,876 INFO L861 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2021-12-17 15:06:22,876 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2021-12-17 15:06:22,876 INFO L858 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2021-12-17 15:06:22,876 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2021-12-17 15:06:22,876 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-17 15:06:22,877 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-12-17 15:06:22,877 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2021-12-17 15:06:22,877 INFO L854 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:06:22,877 INFO L854 garLoopResultBuilder]: At program point L176(lines 172 178) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:06:22,877 INFO L854 garLoopResultBuilder]: At program point L333(lines 321 335) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:06:22,878 INFO L854 garLoopResultBuilder]: At program point L395(lines 346 396) the Hoare annotation is: false [2021-12-17 15:06:22,878 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 331) no Hoare annotation was computed. [2021-12-17 15:06:22,878 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 331) no Hoare annotation was computed. [2021-12-17 15:06:22,878 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:06:22,878 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 389) no Hoare annotation was computed. [2021-12-17 15:06:22,878 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:06:22,883 INFO L854 garLoopResultBuilder]: At program point L383-2(lines 377 390) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:06:22,892 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:06:22,892 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 373) no Hoare annotation was computed. [2021-12-17 15:06:22,894 INFO L858 garLoopResultBuilder]: For program point L367-1(lines 367 373) no Hoare annotation was computed. [2021-12-17 15:06:22,895 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-12-17 15:06:22,895 INFO L858 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2021-12-17 15:06:22,895 INFO L854 garLoopResultBuilder]: At program point L169(lines 165 171) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:06:22,895 INFO L854 garLoopResultBuilder]: At program point L392(lines 347 394) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:06:22,895 INFO L854 garLoopResultBuilder]: At program point L359(line 359) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:06:22,895 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:06:22,896 INFO L861 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2021-12-17 15:06:22,896 INFO L861 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-12-17 15:06:22,896 INFO L858 garLoopResultBuilder]: For program point L348(lines 347 394) no Hoare annotation was computed. [2021-12-17 15:06:22,896 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 390) no Hoare annotation was computed. [2021-12-17 15:06:22,896 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:06:22,896 INFO L854 garLoopResultBuilder]: At program point L369(line 369) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:06:22,896 INFO L861 garLoopResultBuilder]: At program point L398(lines 337 402) the Hoare annotation is: true [2021-12-17 15:06:22,896 INFO L854 garLoopResultBuilder]: At program point L262(lines 257 264) the Hoare annotation is: false [2021-12-17 15:06:22,897 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2021-12-17 15:06:22,897 INFO L858 garLoopResultBuilder]: For program point L357-1(lines 357 363) no Hoare annotation was computed. [2021-12-17 15:06:22,899 INFO L858 garLoopResultBuilder]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2021-12-17 15:06:22,899 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 428 439) no Hoare annotation was computed. [2021-12-17 15:06:22,899 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 428 439) the Hoare annotation is: true [2021-12-17 15:06:22,902 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-17 15:06:22,905 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:06:22,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:06:22 BoogieIcfgContainer [2021-12-17 15:06:22,917 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:06:22,918 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:06:22,918 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:06:22,918 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:06:22,918 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:06:21" (3/4) ... [2021-12-17 15:06:22,920 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:06:22,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:06:22,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-17 15:06:22,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:06:22,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:06:22,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:06:22,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2021-12-17 15:06:22,930 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:06:22,930 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:06:22,930 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:06:22,930 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:06:22,931 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:06:22,931 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:06:22,952 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || !(methaneLevelCritical == 0)) && (!(pumpRunning == 0) || \result == 0) [2021-12-17 15:06:22,963 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:06:22,964 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:06:22,964 INFO L158 Benchmark]: Toolchain (without parser) took 2053.83ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 61.6MB in the beginning and 93.3MB in the end (delta: -31.7MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2021-12-17 15:06:22,964 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory was 51.0MB in the beginning and 51.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:06:22,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.46ms. Allocated memory is still 92.3MB. Free memory was 61.4MB in the beginning and 59.9MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 15:06:22,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.62ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 57.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:06:22,965 INFO L158 Benchmark]: Boogie Preprocessor took 38.63ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 56.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:06:22,965 INFO L158 Benchmark]: RCFGBuilder took 398.66ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 56.3MB in the beginning and 91.9MB in the end (delta: -35.7MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-12-17 15:06:22,966 INFO L158 Benchmark]: TraceAbstraction took 1126.05ms. Allocated memory is still 119.5MB. Free memory was 91.9MB in the beginning and 50.2MB in the end (delta: 41.7MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2021-12-17 15:06:22,966 INFO L158 Benchmark]: Witness Printer took 46.00ms. Allocated memory is still 119.5MB. Free memory was 50.2MB in the beginning and 93.3MB in the end (delta: -43.1MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2021-12-17 15:06:22,967 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory was 51.0MB in the beginning and 51.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.46ms. Allocated memory is still 92.3MB. Free memory was 61.4MB in the beginning and 59.9MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.62ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 57.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.63ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 56.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.66ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 56.3MB in the beginning and 91.9MB in the end (delta: -35.7MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1126.05ms. Allocated memory is still 119.5MB. Free memory was 91.9MB in the beginning and 50.2MB in the end (delta: 41.7MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Witness Printer took 46.00ms. Allocated memory is still 119.5MB. Free memory was 50.2MB in the beginning and 93.3MB in the end (delta: -43.1MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 408]: 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, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 144 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 688 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 383 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 305 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 173 PreInvPairs, 211 NumberOfFragments, 136 HoareAnnotationTreeSize, 173 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 802 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || !(methaneLevelCritical == 0)) && (!(pumpRunning == 0) || \result == 0) - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (tmp == 0 || !(pumpRunning == 0)) || !(methaneLevelCritical == 0) - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-12-17 15:06:22,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE