./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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_product05.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 89d79330893ddcb40b29f516de4dd8a28301af3358fb85b9aef9deff219c3c1d --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 04:58:55,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 04:58:55,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 04:58:55,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 04:58:55,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 04:58:55,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 04:58:55,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 04:58:55,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 04:58:55,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 04:58:55,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 04:58:55,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 04:58:55,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 04:58:55,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 04:58:55,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 04:58:55,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 04:58:55,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 04:58:55,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 04:58:55,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 04:58:55,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 04:58:55,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 04:58:55,172 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 04:58:55,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 04:58:55,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 04:58:55,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 04:58:55,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 04:58:55,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 04:58:55,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 04:58:55,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 04:58:55,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 04:58:55,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 04:58:55,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 04:58:55,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 04:58:55,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 04:58:55,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 04:58:55,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 04:58:55,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 04:58:55,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 04:58:55,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 04:58:55,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 04:58:55,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 04:58:55,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 04:58:55,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 04:58:55,193 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 04:58:55,218 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 04:58:55,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 04:58:55,219 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 04:58:55,219 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 04:58:55,220 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 04:58:55,220 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 04:58:55,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 04:58:55,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 04:58:55,221 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 04:58:55,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 04:58:55,222 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 04:58:55,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 04:58:55,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 04:58:55,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 04:58:55,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 04:58:55,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 04:58:55,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 04:58:55,223 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 04:58:55,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 04:58:55,224 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 04:58:55,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 04:58:55,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 04:58:55,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 04:58:55,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 04:58:55,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 04:58:55,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 04:58:55,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 04:58:55,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 04:58:55,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 04:58:55,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 04:58:55,226 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 04:58:55,226 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 04:58:55,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 04:58:55,226 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89d79330893ddcb40b29f516de4dd8a28301af3358fb85b9aef9deff219c3c1d [2022-07-21 04:58:55,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 04:58:55,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 04:58:55,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 04:58:55,545 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 04:58:55,545 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 04:58:55,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2022-07-21 04:58:55,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a409dd75/fc09b29fa5f643bd8139bd6035632424/FLAG167b1c467 [2022-07-21 04:58:56,058 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 04:58:56,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2022-07-21 04:58:56,073 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a409dd75/fc09b29fa5f643bd8139bd6035632424/FLAG167b1c467 [2022-07-21 04:58:56,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a409dd75/fc09b29fa5f643bd8139bd6035632424 [2022-07-21 04:58:56,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 04:58:56,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 04:58:56,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 04:58:56,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 04:58:56,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 04:58:56,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:58:56" (1/1) ... [2022-07-21 04:58:56,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d202f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:58:56, skipping insertion in model container [2022-07-21 04:58:56,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:58:56" (1/1) ... [2022-07-21 04:58:56,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 04:58:56,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 04:58:56,651 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_product05.cil.c[4546,4559] [2022-07-21 04:58:56,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 04:58:56,721 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 04:58:56,739 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_product05.cil.c[4546,4559] [2022-07-21 04:58:56,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 04:58:56,776 INFO L208 MainTranslator]: Completed translation [2022-07-21 04:58:56,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:58:56 WrapperNode [2022-07-21 04:58:56,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 04:58:56,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 04:58:56,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 04:58:56,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 04:58:56,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:58:56" (1/1) ... [2022-07-21 04:58:56,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:58:56" (1/1) ... [2022-07-21 04:58:56,834 INFO L137 Inliner]: procedures = 50, calls = 148, calls flagged for inlining = 18, calls inlined = 15, statements flattened = 201 [2022-07-21 04:58:56,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 04:58:56,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 04:58:56,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 04:58:56,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 04:58:56,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:58:56" (1/1) ... [2022-07-21 04:58:56,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:58:56" (1/1) ... [2022-07-21 04:58:56,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:58:56" (1/1) ... [2022-07-21 04:58:56,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:58:56" (1/1) ... [2022-07-21 04:58:56,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:58:56" (1/1) ... [2022-07-21 04:58:56,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:58:56" (1/1) ... [2022-07-21 04:58:56,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:58:56" (1/1) ... [2022-07-21 04:58:56,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 04:58:56,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 04:58:56,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 04:58:56,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 04:58:56,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:58:56" (1/1) ... [2022-07-21 04:58:56,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 04:58:56,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 04:58:56,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 04:58:56,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 04:58:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 04:58:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-21 04:58:56,953 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-21 04:58:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-21 04:58:56,953 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-21 04:58:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-21 04:58:56,954 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-21 04:58:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-21 04:58:56,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-21 04:58:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-21 04:58:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-21 04:58:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 04:58:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-21 04:58:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-21 04:58:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 04:58:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 04:58:57,012 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 04:58:57,013 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 04:58:57,245 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 04:58:57,250 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 04:58:57,250 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-21 04:58:57,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:58:57 BoogieIcfgContainer [2022-07-21 04:58:57,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 04:58:57,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 04:58:57,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 04:58:57,255 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 04:58:57,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:58:56" (1/3) ... [2022-07-21 04:58:57,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30bbf3a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:58:57, skipping insertion in model container [2022-07-21 04:58:57,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:58:56" (2/3) ... [2022-07-21 04:58:57,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30bbf3a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:58:57, skipping insertion in model container [2022-07-21 04:58:57,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:58:57" (3/3) ... [2022-07-21 04:58:57,258 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product05.cil.c [2022-07-21 04:58:57,285 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 04:58:57,285 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 04:58:57,332 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 04:58:57,339 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6b1a91c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@28ed820 [2022-07-21 04:58:57,339 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 04:58:57,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 60 states have internal predecessors, (75), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-07-21 04:58:57,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-21 04:58:57,359 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:58:57,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:58:57,361 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:58:57,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:58:57,369 INFO L85 PathProgramCache]: Analyzing trace with hash -603386107, now seen corresponding path program 1 times [2022-07-21 04:58:57,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:58:57,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108561303] [2022-07-21 04:58:57,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:58:57,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:58:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:58:57,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 04:58:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:58:57,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 04:58:57,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:58:57,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108561303] [2022-07-21 04:58:57,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108561303] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:58:57,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:58:57,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 04:58:57,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650413081] [2022-07-21 04:58:57,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:58:57,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 04:58:57,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:58:57,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 04:58:57,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 04:58:57,602 INFO L87 Difference]: Start difference. First operand has 72 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 60 states have internal predecessors, (75), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:58:57,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:58:57,631 INFO L93 Difference]: Finished difference Result 136 states and 185 transitions. [2022-07-21 04:58:57,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 04:58:57,633 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-07-21 04:58:57,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:58:57,639 INFO L225 Difference]: With dead ends: 136 [2022-07-21 04:58:57,639 INFO L226 Difference]: Without dead ends: 63 [2022-07-21 04:58:57,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 04:58:57,645 INFO L413 NwaCegarLoop]: 89 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, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 04:58:57,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:58:57,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-07-21 04:58:57,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-07-21 04:58:57,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 47 states have (on average 1.297872340425532) internal successors, (61), 52 states have internal predecessors, (61), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-21 04:58:57,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2022-07-21 04:58:57,683 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 23 [2022-07-21 04:58:57,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:58:57,683 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2022-07-21 04:58:57,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:58:57,684 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2022-07-21 04:58:57,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-21 04:58:57,687 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:58:57,687 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:58:57,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 04:58:57,688 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:58:57,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:58:57,689 INFO L85 PathProgramCache]: Analyzing trace with hash -392395766, now seen corresponding path program 1 times [2022-07-21 04:58:57,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:58:57,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599867463] [2022-07-21 04:58:57,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:58:57,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:58:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:58:57,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 04:58:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:58:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 04:58:57,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:58:57,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599867463] [2022-07-21 04:58:57,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599867463] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:58:57,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:58:57,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 04:58:57,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220389676] [2022-07-21 04:58:57,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:58:57,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 04:58:57,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:58:57,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 04:58:57,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 04:58:57,781 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:58:57,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:58:57,789 INFO L93 Difference]: Finished difference Result 92 states and 116 transitions. [2022-07-21 04:58:57,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 04:58:57,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-07-21 04:58:57,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:58:57,791 INFO L225 Difference]: With dead ends: 92 [2022-07-21 04:58:57,791 INFO L226 Difference]: Without dead ends: 54 [2022-07-21 04:58:57,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 04:58:57,793 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 12 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 04:58:57,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 118 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:58:57,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-07-21 04:58:57,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-07-21 04:58:57,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 46 states have internal predecessors, (54), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-21 04:58:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2022-07-21 04:58:57,807 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 24 [2022-07-21 04:58:57,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:58:57,808 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2022-07-21 04:58:57,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:58:57,808 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2022-07-21 04:58:57,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-21 04:58:57,809 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:58:57,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:58:57,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 04:58:57,810 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:58:57,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:58:57,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1226018805, now seen corresponding path program 1 times [2022-07-21 04:58:57,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:58:57,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206311991] [2022-07-21 04:58:57,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:58:57,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:58:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:58:57,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 04:58:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:58:57,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 04:58:57,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:58:57,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206311991] [2022-07-21 04:58:57,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206311991] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:58:57,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:58:57,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 04:58:57,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287294911] [2022-07-21 04:58:57,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:58:57,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 04:58:57,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:58:57,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 04:58:57,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 04:58:57,862 INFO L87 Difference]: Start difference. First operand 54 states and 68 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) [2022-07-21 04:58:57,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:58:57,869 INFO L93 Difference]: Finished difference Result 101 states and 130 transitions. [2022-07-21 04:58:57,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 04:58:57,870 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 [2022-07-21 04:58:57,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:58:57,871 INFO L225 Difference]: With dead ends: 101 [2022-07-21 04:58:57,871 INFO L226 Difference]: Without dead ends: 54 [2022-07-21 04:58:57,871 INFO L412 NwaCegarLoop]: 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 [2022-07-21 04:58:57,872 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 04:58:57,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:58:57,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-07-21 04:58:57,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-07-21 04:58:57,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 46 states have internal predecessors, (53), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-21 04:58:57,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2022-07-21 04:58:57,878 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 28 [2022-07-21 04:58:57,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:58:57,878 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2022-07-21 04:58:57,878 INFO L496 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) [2022-07-21 04:58:57,878 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-07-21 04:58:57,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-21 04:58:57,879 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:58:57,879 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:58:57,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 04:58:57,880 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:58:57,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:58:57,880 INFO L85 PathProgramCache]: Analyzing trace with hash 793789156, now seen corresponding path program 1 times [2022-07-21 04:58:57,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:58:57,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787849481] [2022-07-21 04:58:57,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:58:57,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:58:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:58:57,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 04:58:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:58:57,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 04:58:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:58:57,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 04:58:57,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:58:57,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787849481] [2022-07-21 04:58:57,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787849481] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:58:57,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:58:57,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 04:58:57,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31561983] [2022-07-21 04:58:57,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:58:57,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 04:58:57,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:58:57,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 04:58:57,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 04:58:57,939 INFO L87 Difference]: Start difference. First operand 54 states and 67 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), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 04:58:58,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:58:58,011 INFO L93 Difference]: Finished difference Result 147 states and 189 transitions. [2022-07-21 04:58:58,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 04:58:58,012 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), 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 33 [2022-07-21 04:58:58,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:58:58,017 INFO L225 Difference]: With dead ends: 147 [2022-07-21 04:58:58,017 INFO L226 Difference]: Without dead ends: 100 [2022-07-21 04:58:58,018 INFO L412 NwaCegarLoop]: 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 [2022-07-21 04:58:58,026 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 39 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 04:58:58,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 316 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:58:58,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-07-21 04:58:58,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2022-07-21 04:58:58,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 72 states have (on average 1.2916666666666667) internal successors, (93), 81 states have internal predecessors, (93), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (15), 12 states have call predecessors, (15), 14 states have call successors, (15) [2022-07-21 04:58:58,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 122 transitions. [2022-07-21 04:58:58,044 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 122 transitions. Word has length 33 [2022-07-21 04:58:58,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:58:58,045 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 122 transitions. [2022-07-21 04:58:58,045 INFO L496 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), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 04:58:58,045 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 122 transitions. [2022-07-21 04:58:58,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-21 04:58:58,047 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:58:58,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:58:58,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 04:58:58,047 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:58:58,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:58:58,048 INFO L85 PathProgramCache]: Analyzing trace with hash -2116751808, now seen corresponding path program 1 times [2022-07-21 04:58:58,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:58:58,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469062424] [2022-07-21 04:58:58,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:58:58,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:58:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:58:58,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 04:58:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:58:58,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 04:58:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:58:58,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 04:58:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:58:58,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 04:58:58,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:58:58,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469062424] [2022-07-21 04:58:58,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469062424] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:58:58,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:58:58,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 04:58:58,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792896935] [2022-07-21 04:58:58,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:58:58,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 04:58:58,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:58:58,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 04:58:58,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 04:58:58,156 INFO L87 Difference]: Start difference. First operand 97 states and 122 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-21 04:58:58,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:58:58,254 INFO L93 Difference]: Finished difference Result 172 states and 217 transitions. [2022-07-21 04:58:58,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 04:58:58,255 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2022-07-21 04:58:58,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:58:58,255 INFO L225 Difference]: With dead ends: 172 [2022-07-21 04:58:58,255 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 04:58:58,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 04:58:58,256 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 45 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 04:58:58,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 115 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 04:58:58,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 04:58:58,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 04:58:58,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 04:58:58,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 04:58:58,257 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2022-07-21 04:58:58,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:58:58,258 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 04:58:58,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-21 04:58:58,258 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 04:58:58,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 04:58:58,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 04:58:58,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 04:58:58,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 04:58:58,583 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 169 175) no Hoare annotation was computed. [2022-07-21 04:58:58,583 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 169 175) the Hoare annotation is: true [2022-07-21 04:58:58,583 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-07-21 04:58:58,583 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-07-21 04:58:58,583 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2022-07-21 04:58:58,584 INFO L902 garLoopResultBuilder]: At program point L768(lines 743 772) the Hoare annotation is: true [2022-07-21 04:58:58,584 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 743 772) no Hoare annotation was computed. [2022-07-21 04:58:58,584 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 743 772) the Hoare annotation is: true [2022-07-21 04:58:58,584 INFO L899 garLoopResultBuilder]: For program point L764(line 764) no Hoare annotation was computed. [2022-07-21 04:58:58,584 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 761) no Hoare annotation was computed. [2022-07-21 04:58:58,585 INFO L902 garLoopResultBuilder]: At program point L757-1(lines 757 761) the Hoare annotation is: true [2022-07-21 04:58:58,585 INFO L899 garLoopResultBuilder]: For program point L754(line 754) no Hoare annotation was computed. [2022-07-21 04:58:58,585 INFO L902 garLoopResultBuilder]: At program point L753-2(lines 753 767) the Hoare annotation is: true [2022-07-21 04:58:58,585 INFO L902 garLoopResultBuilder]: At program point L749(line 749) the Hoare annotation is: true [2022-07-21 04:58:58,585 INFO L899 garLoopResultBuilder]: For program point L749-1(line 749) no Hoare annotation was computed. [2022-07-21 04:58:58,585 INFO L895 garLoopResultBuilder]: At program point L225(lines 218 228) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-21 04:58:58,585 INFO L899 garLoopResultBuilder]: For program point L279(line 279) no Hoare annotation was computed. [2022-07-21 04:58:58,586 INFO L895 garLoopResultBuilder]: At program point L234(lines 229 237) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-07-21 04:58:58,586 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 145 168) no Hoare annotation was computed. [2022-07-21 04:58:58,586 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 156 162) no Hoare annotation was computed. [2022-07-21 04:58:58,586 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 193) no Hoare annotation was computed. [2022-07-21 04:58:58,586 INFO L895 garLoopResultBuilder]: At program point L280(lines 275 282) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-21 04:58:58,586 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 198) no Hoare annotation was computed. [2022-07-21 04:58:58,586 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-21 04:58:58,586 INFO L899 garLoopResultBuilder]: For program point L722-1(line 722) no Hoare annotation was computed. [2022-07-21 04:58:58,587 INFO L895 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-21 04:58:58,587 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2022-07-21 04:58:58,587 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-07-21 04:58:58,587 INFO L895 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-21 04:58:58,587 INFO L895 garLoopResultBuilder]: At program point L215(lines 210 217) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-21 04:58:58,587 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 148 167) no Hoare annotation was computed. [2022-07-21 04:58:58,587 INFO L895 garLoopResultBuilder]: At program point L191(line 191) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-21 04:58:58,587 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 734) no Hoare annotation was computed. [2022-07-21 04:58:58,587 INFO L899 garLoopResultBuilder]: For program point L724(lines 724 737) no Hoare annotation was computed. [2022-07-21 04:58:58,588 INFO L895 garLoopResultBuilder]: At program point L724-1(lines 716 740) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~5#1| 0)) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2022-07-21 04:58:58,588 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 145 168) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-21 04:58:58,588 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 145 168) no Hoare annotation was computed. [2022-07-21 04:58:58,589 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 279) no Hoare annotation was computed. [2022-07-21 04:58:58,589 INFO L895 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-21 04:58:58,590 INFO L895 garLoopResultBuilder]: At program point L196-1(lines 177 201) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-21 04:58:58,592 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 94 102) the Hoare annotation is: true [2022-07-21 04:58:58,592 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 94 102) no Hoare annotation was computed. [2022-07-21 04:58:58,592 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2022-07-21 04:58:58,592 INFO L895 garLoopResultBuilder]: At program point L341(lines 294 342) the Hoare annotation is: false [2022-07-21 04:58:58,592 INFO L899 garLoopResultBuilder]: For program point L296(lines 295 340) no Hoare annotation was computed. [2022-07-21 04:58:58,593 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-07-21 04:58:58,593 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 04:58:58,594 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 04:58:58,596 INFO L895 garLoopResultBuilder]: At program point L317(line 317) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-21 04:58:58,596 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 04:58:58,596 INFO L895 garLoopResultBuilder]: At program point L338(lines 295 340) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-21 04:58:58,596 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 311) no Hoare annotation was computed. [2022-07-21 04:58:58,596 INFO L899 garLoopResultBuilder]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2022-07-21 04:58:58,596 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 301) no Hoare annotation was computed. [2022-07-21 04:58:58,596 INFO L895 garLoopResultBuilder]: At program point L871(lines 866 874) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-21 04:58:58,597 INFO L895 garLoopResultBuilder]: At program point L801(lines 797 803) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-21 04:58:58,597 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 04:58:58,597 INFO L895 garLoopResultBuilder]: At program point L863(lines 859 865) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-21 04:58:58,597 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 335) no Hoare annotation was computed. [2022-07-21 04:58:58,597 INFO L895 garLoopResultBuilder]: At program point L331-2(lines 325 336) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-21 04:58:58,598 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 834) no Hoare annotation was computed. [2022-07-21 04:58:58,598 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 321) no Hoare annotation was computed. [2022-07-21 04:58:58,598 INFO L899 garLoopResultBuilder]: For program point L315-1(lines 315 321) no Hoare annotation was computed. [2022-07-21 04:58:58,598 INFO L899 garLoopResultBuilder]: For program point L827-2(lines 827 834) no Hoare annotation was computed. [2022-07-21 04:58:58,598 INFO L895 garLoopResultBuilder]: At program point L856(lines 852 858) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-21 04:58:58,598 INFO L902 garLoopResultBuilder]: At program point L344(lines 285 348) the Hoare annotation is: true [2022-07-21 04:58:58,598 INFO L895 garLoopResultBuilder]: At program point L307(line 307) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-21 04:58:58,598 INFO L902 garLoopResultBuilder]: At program point L811(lines 804 813) the Hoare annotation is: true [2022-07-21 04:58:58,598 INFO L902 garLoopResultBuilder]: At program point L836(lines 817 839) the Hoare annotation is: true [2022-07-21 04:58:58,598 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-07-21 04:58:58,599 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2022-07-21 04:58:58,599 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2022-07-21 04:58:58,603 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-21 04:58:58,604 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 04:58:58,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 04:58:58 BoogieIcfgContainer [2022-07-21 04:58:58,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 04:58:58,635 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 04:58:58,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 04:58:58,635 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 04:58:58,636 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:58:57" (3/4) ... [2022-07-21 04:58:58,638 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 04:58:58,642 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-21 04:58:58,642 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-21 04:58:58,642 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-21 04:58:58,642 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-21 04:58:58,642 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-21 04:58:58,642 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-21 04:58:58,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2022-07-21 04:58:58,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-21 04:58:58,647 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-21 04:58:58,647 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 04:58:58,647 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 04:58:58,647 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 04:58:58,647 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 04:58:58,664 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-21 04:58:58,664 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-07-21 04:58:58,665 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2022-07-21 04:58:58,665 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-21 04:58:58,665 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-07-21 04:58:58,665 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-21 04:58:58,665 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-21 04:58:58,677 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 04:58:58,677 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 04:58:58,677 INFO L158 Benchmark]: Toolchain (without parser) took 2248.82ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 41.9MB in the beginning and 57.9MB in the end (delta: -16.0MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-07-21 04:58:58,678 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 44.9MB in the beginning and 44.9MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 04:58:58,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.43ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 39.4MB in the end (delta: 2.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-21 04:58:58,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.21ms. Allocated memory is still 62.9MB. Free memory was 39.3MB in the beginning and 37.0MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-21 04:58:58,678 INFO L158 Benchmark]: Boogie Preprocessor took 39.57ms. Allocated memory is still 62.9MB. Free memory was 37.0MB in the beginning and 35.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 04:58:58,678 INFO L158 Benchmark]: RCFGBuilder took 375.99ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 35.6MB in the beginning and 50.3MB in the end (delta: -14.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2022-07-21 04:58:58,679 INFO L158 Benchmark]: TraceAbstraction took 1381.74ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.9MB in the beginning and 62.6MB in the end (delta: -12.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2022-07-21 04:58:58,679 INFO L158 Benchmark]: Witness Printer took 42.05ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 57.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-21 04:58:58,680 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 62.9MB. Free memory was 44.9MB in the beginning and 44.9MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.43ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 39.4MB in the end (delta: 2.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.21ms. Allocated memory is still 62.9MB. Free memory was 39.3MB in the beginning and 37.0MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.57ms. Allocated memory is still 62.9MB. Free memory was 37.0MB in the beginning and 35.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 375.99ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 35.6MB in the beginning and 50.3MB in the end (delta: -14.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1381.74ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.9MB in the beginning and 62.6MB in the end (delta: -12.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Witness Printer took 42.05ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 57.9MB in the end (delta: 4.8MB). 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: 279]: 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 7 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 153 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 146 mSDsluCounter, 704 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 367 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 337 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 196 PreInvPairs, 218 NumberOfFragments, 265 HoareAnnotationTreeSize, 196 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 433 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 286 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: 295]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-07-21 04:58:58,735 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