./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product22.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_spec2_product22.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 1e4d2a057e25f6959650b499ceac5ee260080b43c52b288c780b8039e90be344 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 00:58:57,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 00:58:57,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 00:58:57,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 00:58:57,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 00:58:57,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 00:58:57,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 00:58:57,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 00:58:57,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 00:58:57,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 00:58:57,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 00:58:57,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 00:58:57,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 00:58:57,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 00:58:57,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 00:58:57,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 00:58:57,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 00:58:57,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 00:58:57,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 00:58:57,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 00:58:57,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 00:58:57,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 00:58:57,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 00:58:57,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 00:58:57,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 00:58:57,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 00:58:57,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 00:58:57,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 00:58:57,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 00:58:57,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 00:58:57,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 00:58:57,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 00:58:57,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 00:58:57,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 00:58:57,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 00:58:57,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 00:58:57,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 00:58:57,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 00:58:57,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 00:58:57,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 00:58:57,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 00:58:57,608 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 00:58:57,627 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 00:58:57,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 00:58:57,629 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 00:58:57,629 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 00:58:57,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 00:58:57,630 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 00:58:57,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 00:58:57,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 00:58:57,631 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 00:58:57,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 00:58:57,632 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 00:58:57,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 00:58:57,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 00:58:57,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 00:58:57,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 00:58:57,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 00:58:57,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 00:58:57,633 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 00:58:57,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 00:58:57,633 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 00:58:57,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 00:58:57,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 00:58:57,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 00:58:57,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 00:58:57,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:58:57,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 00:58:57,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 00:58:57,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 00:58:57,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 00:58:57,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 00:58:57,636 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 00:58:57,636 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 00:58:57,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 00:58:57,636 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 00:58:57,636 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e4d2a057e25f6959650b499ceac5ee260080b43c52b288c780b8039e90be344 [2021-12-16 00:58:57,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 00:58:57,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 00:58:57,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 00:58:57,901 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 00:58:57,902 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 00:58:57,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2021-12-16 00:58:57,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/494c5fedf/3dc4100d4fb1498cabc314711bdf2913/FLAG67b15f4e6 [2021-12-16 00:58:58,396 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 00:58:58,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2021-12-16 00:58:58,410 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/494c5fedf/3dc4100d4fb1498cabc314711bdf2913/FLAG67b15f4e6 [2021-12-16 00:58:58,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/494c5fedf/3dc4100d4fb1498cabc314711bdf2913 [2021-12-16 00:58:58,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 00:58:58,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 00:58:58,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 00:58:58,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 00:58:58,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 00:58:58,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:58:58" (1/1) ... [2021-12-16 00:58:58,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72553f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:58, skipping insertion in model container [2021-12-16 00:58:58,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:58:58" (1/1) ... [2021-12-16 00:58:58,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 00:58:58,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 00:58:58,775 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_spec2_product22.cil.c[16136,16149] [2021-12-16 00:58:58,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:58:58,798 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 00:58:58,862 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_spec2_product22.cil.c[16136,16149] [2021-12-16 00:58:58,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:58:58,888 INFO L208 MainTranslator]: Completed translation [2021-12-16 00:58:58,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:58 WrapperNode [2021-12-16 00:58:58,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 00:58:58,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 00:58:58,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 00:58:58,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 00:58:58,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:58" (1/1) ... [2021-12-16 00:58:58,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:58" (1/1) ... [2021-12-16 00:58:58,953 INFO L137 Inliner]: procedures = 55, calls = 155, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 242 [2021-12-16 00:58:58,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 00:58:58,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 00:58:58,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 00:58:58,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 00:58:58,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:58" (1/1) ... [2021-12-16 00:58:58,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:58" (1/1) ... [2021-12-16 00:58:58,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:58" (1/1) ... [2021-12-16 00:58:58,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:58" (1/1) ... [2021-12-16 00:58:58,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:58" (1/1) ... [2021-12-16 00:58:58,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:58" (1/1) ... [2021-12-16 00:58:58,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:58" (1/1) ... [2021-12-16 00:58:58,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 00:58:58,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 00:58:58,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 00:58:58,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 00:58:58,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:58" (1/1) ... [2021-12-16 00:58:58,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:58:59,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:58:59,020 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) [2021-12-16 00:58:59,045 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 [2021-12-16 00:58:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 00:58:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 00:58:59,058 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 00:58:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-16 00:58:59,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-16 00:58:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 00:58:59,059 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 00:58:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 00:58:59,059 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 00:58:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 00:58:59,059 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 00:58:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-16 00:58:59,059 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-16 00:58:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-16 00:58:59,060 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-16 00:58:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 00:58:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 00:58:59,060 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 00:58:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 00:58:59,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 00:58:59,108 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 00:58:59,110 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 00:58:59,333 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 00:58:59,338 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 00:58:59,338 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 00:58:59,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:59 BoogieIcfgContainer [2021-12-16 00:58:59,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 00:58:59,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 00:58:59,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 00:58:59,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 00:58:59,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:58:58" (1/3) ... [2021-12-16 00:58:59,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc373d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:58:59, skipping insertion in model container [2021-12-16 00:58:59,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:58:58" (2/3) ... [2021-12-16 00:58:59,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc373d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:58:59, skipping insertion in model container [2021-12-16 00:58:59,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:59" (3/3) ... [2021-12-16 00:58:59,346 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product22.cil.c [2021-12-16 00:58:59,350 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 00:58:59,350 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 00:58:59,390 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 00:58:59,397 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 [2021-12-16 00:58:59,397 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 00:58:59,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 66 states have (on average 1.378787878787879) internal successors, (91), 74 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-16 00:58:59,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-16 00:58:59,435 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:59,436 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] [2021-12-16 00:58:59,436 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:59,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:59,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1586971788, now seen corresponding path program 1 times [2021-12-16 00:58:59,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:59,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273071423] [2021-12-16 00:58:59,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:59,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:59,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-16 00:58:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:59,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:58:59,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:59,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273071423] [2021-12-16 00:58:59,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273071423] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:59,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:59,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 00:58:59,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115665697] [2021-12-16 00:58:59,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:59,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 00:58:59,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:59,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 00:58:59,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:58:59,680 INFO L87 Difference]: Start difference. First operand has 90 states, 66 states have (on average 1.378787878787879) internal successors, (91), 74 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2021-12-16 00:58:59,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:59,709 INFO L93 Difference]: Finished difference Result 171 states and 232 transitions. [2021-12-16 00:58:59,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 00:58:59,711 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2021-12-16 00:58:59,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:59,716 INFO L225 Difference]: With dead ends: 171 [2021-12-16 00:58:59,716 INFO L226 Difference]: Without dead ends: 81 [2021-12-16 00:58:59,718 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 [2021-12-16 00:58:59,721 INFO L933 BasicCegarLoop]: 113 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, 113 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 [2021-12-16 00:58:59,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:59,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-12-16 00:58:59,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2021-12-16 00:58:59,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 59 states have (on average 1.305084745762712) internal successors, (77), 66 states have internal predecessors, (77), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-16 00:58:59,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 104 transitions. [2021-12-16 00:58:59,759 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 104 transitions. Word has length 25 [2021-12-16 00:58:59,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:59,759 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 104 transitions. [2021-12-16 00:58:59,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2021-12-16 00:58:59,760 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2021-12-16 00:58:59,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-16 00:58:59,763 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:59,763 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] [2021-12-16 00:58:59,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 00:58:59,764 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:59,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:59,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1156039626, now seen corresponding path program 1 times [2021-12-16 00:58:59,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:59,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803187298] [2021-12-16 00:58:59,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:59,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:59,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-16 00:58:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:58:59,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:58:59,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:58:59,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803187298] [2021-12-16 00:58:59,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803187298] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:58:59,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:58:59,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:58:59,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653329580] [2021-12-16 00:58:59,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:58:59,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:58:59,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:58:59,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:58:59,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:58:59,857 INFO L87 Difference]: Start difference. First operand 81 states and 104 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-12-16 00:58:59,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:58:59,871 INFO L93 Difference]: Finished difference Result 126 states and 162 transitions. [2021-12-16 00:58:59,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:58:59,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2021-12-16 00:58:59,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:58:59,875 INFO L225 Difference]: With dead ends: 126 [2021-12-16 00:58:59,875 INFO L226 Difference]: Without dead ends: 72 [2021-12-16 00:58:59,876 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 [2021-12-16 00:58:59,876 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 13 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 165 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 [2021-12-16 00:58:59,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 165 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:58:59,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-12-16 00:58:59,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2021-12-16 00:58:59,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.320754716981132) internal successors, (70), 60 states have internal predecessors, (70), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-16 00:58:59,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2021-12-16 00:58:59,886 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 26 [2021-12-16 00:58:59,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:58:59,886 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2021-12-16 00:58:59,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-12-16 00:58:59,887 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2021-12-16 00:58:59,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-16 00:58:59,887 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:58:59,887 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] [2021-12-16 00:58:59,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 00:58:59,888 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:58:59,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:58:59,888 INFO L85 PathProgramCache]: Analyzing trace with hash -238095145, now seen corresponding path program 1 times [2021-12-16 00:58:59,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:58:59,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363078849] [2021-12-16 00:58:59,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:58:59,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:58:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:00,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 00:59:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:00,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:00,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:00,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363078849] [2021-12-16 00:59:00,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363078849] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:00,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:00,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 00:59:00,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647926157] [2021-12-16 00:59:00,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:00,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 00:59:00,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:00,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 00:59:00,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 00:59:00,026 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-12-16 00:59:00,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:00,070 INFO L93 Difference]: Finished difference Result 136 states and 177 transitions. [2021-12-16 00:59:00,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 00:59:00,070 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 31 [2021-12-16 00:59:00,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:00,071 INFO L225 Difference]: With dead ends: 136 [2021-12-16 00:59:00,071 INFO L226 Difference]: Without dead ends: 72 [2021-12-16 00:59:00,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:59:00,073 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 119 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:00,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 221 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:00,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-12-16 00:59:00,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2021-12-16 00:59:00,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 60 states have internal predecessors, (69), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-16 00:59:00,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions. [2021-12-16 00:59:00,081 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 91 transitions. Word has length 31 [2021-12-16 00:59:00,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:00,081 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 91 transitions. [2021-12-16 00:59:00,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-12-16 00:59:00,082 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions. [2021-12-16 00:59:00,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-16 00:59:00,083 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:00,083 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:00,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 00:59:00,083 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:00,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:00,084 INFO L85 PathProgramCache]: Analyzing trace with hash -217426330, now seen corresponding path program 1 times [2021-12-16 00:59:00,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:00,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358500030] [2021-12-16 00:59:00,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:00,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:00,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 00:59:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:00,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:00,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-16 00:59:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:00,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:00,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:00,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358500030] [2021-12-16 00:59:00,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358500030] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:00,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:00,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:59:00,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340120090] [2021-12-16 00:59:00,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:00,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:59:00,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:00,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:59:00,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:59:00,151 INFO L87 Difference]: Start difference. First operand 72 states and 91 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:00,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:00,475 INFO L93 Difference]: Finished difference Result 226 states and 292 transitions. [2021-12-16 00:59:00,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 00:59:00,476 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2021-12-16 00:59:00,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:00,478 INFO L225 Difference]: With dead ends: 226 [2021-12-16 00:59:00,480 INFO L226 Difference]: Without dead ends: 162 [2021-12-16 00:59:00,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-16 00:59:00,488 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 132 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:00,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 380 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 00:59:00,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-12-16 00:59:00,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 131. [2021-12-16 00:59:00,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 94 states have (on average 1.297872340425532) internal successors, (122), 107 states have internal predecessors, (122), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (23), 14 states have call predecessors, (23), 22 states have call successors, (23) [2021-12-16 00:59:00,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 167 transitions. [2021-12-16 00:59:00,520 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 167 transitions. Word has length 41 [2021-12-16 00:59:00,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:00,520 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 167 transitions. [2021-12-16 00:59:00,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:00,520 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 167 transitions. [2021-12-16 00:59:00,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-16 00:59:00,522 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:00,522 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:00,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 00:59:00,522 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:00,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:00,523 INFO L85 PathProgramCache]: Analyzing trace with hash 2084305770, now seen corresponding path program 1 times [2021-12-16 00:59:00,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:00,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668586744] [2021-12-16 00:59:00,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:00,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:00,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:59:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:00,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 00:59:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:00,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:00,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-16 00:59:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:00,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:00,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:00,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668586744] [2021-12-16 00:59:00,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668586744] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:00,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:00,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:59:00,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909242721] [2021-12-16 00:59:00,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:00,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:59:00,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:00,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:59:00,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:59:00,625 INFO L87 Difference]: Start difference. First operand 131 states and 167 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 00:59:00,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:00,772 INFO L93 Difference]: Finished difference Result 218 states and 278 transitions. [2021-12-16 00:59:00,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 00:59:00,773 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2021-12-16 00:59:00,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:00,773 INFO L225 Difference]: With dead ends: 218 [2021-12-16 00:59:00,773 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 00:59:00,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-16 00:59:00,775 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 71 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:00,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 143 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:00,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 00:59:00,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 00:59:00,776 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) [2021-12-16 00:59:00,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 00:59:00,776 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2021-12-16 00:59:00,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:00,776 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 00:59:00,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 00:59:00,777 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 00:59:00,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 00:59:00,779 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 00:59:00,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 00:59:00,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 00:59:01,247 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 625 632) the Hoare annotation is: true [2021-12-16 00:59:01,248 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 625 632) no Hoare annotation was computed. [2021-12-16 00:59:01,248 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 625 632) no Hoare annotation was computed. [2021-12-16 00:59:01,248 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 558 564) no Hoare annotation was computed. [2021-12-16 00:59:01,248 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 558 564) the Hoare annotation is: true [2021-12-16 00:59:01,249 INFO L858 garLoopResultBuilder]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2021-12-16 00:59:01,249 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 859 870) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) [2021-12-16 00:59:01,249 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 859 870) no Hoare annotation was computed. [2021-12-16 00:59:01,250 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 871 879) the Hoare annotation is: true [2021-12-16 00:59:01,250 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 871 879) no Hoare annotation was computed. [2021-12-16 00:59:01,250 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 871 879) no Hoare annotation was computed. [2021-12-16 00:59:01,250 INFO L854 garLoopResultBuilder]: At program point L638(line 638) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:59:01,250 INFO L858 garLoopResultBuilder]: For program point L638-1(line 638) no Hoare annotation was computed. [2021-12-16 00:59:01,250 INFO L854 garLoopResultBuilder]: At program point L808(line 808) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:01,250 INFO L858 garLoopResultBuilder]: For program point L808-1(line 808) no Hoare annotation was computed. [2021-12-16 00:59:01,250 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 534 557) no Hoare annotation was computed. [2021-12-16 00:59:01,250 INFO L854 garLoopResultBuilder]: At program point L606(line 606) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:59:01,251 INFO L854 garLoopResultBuilder]: At program point L602(line 602) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:59:01,251 INFO L858 garLoopResultBuilder]: For program point L788(line 788) no Hoare annotation was computed. [2021-12-16 00:59:01,251 INFO L854 garLoopResultBuilder]: At program point L611(line 611) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:01,251 INFO L854 garLoopResultBuilder]: At program point L611-1(lines 592 616) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:01,251 INFO L854 garLoopResultBuilder]: At program point L640(lines 633 643) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:59:01,251 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2021-12-16 00:59:01,252 INFO L854 garLoopResultBuilder]: At program point L789(lines 784 791) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:59:01,252 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 824) no Hoare annotation was computed. [2021-12-16 00:59:01,252 INFO L858 garLoopResultBuilder]: For program point L810(lines 810 827) no Hoare annotation was computed. [2021-12-16 00:59:01,252 INFO L854 garLoopResultBuilder]: At program point L649(lines 644 652) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (and (= |timeShift_isPumpRunning_#res#1| 0) (= ~pumpRunning~0 0)) .cse0 .cse1))) [2021-12-16 00:59:01,253 INFO L854 garLoopResultBuilder]: At program point L810-1(lines 802 830) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~8#1| 0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (= ~pumpRunning~0 0)))) [2021-12-16 00:59:01,253 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 843) no Hoare annotation was computed. [2021-12-16 00:59:01,253 INFO L854 garLoopResultBuilder]: At program point L839-2(lines 835 846) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:59:01,253 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 537 556) no Hoare annotation was computed. [2021-12-16 00:59:01,253 INFO L858 garLoopResultBuilder]: For program point L600(lines 600 608) no Hoare annotation was computed. [2021-12-16 00:59:01,253 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 613) no Hoare annotation was computed. [2021-12-16 00:59:01,254 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 534 557) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:01,254 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 821) no Hoare annotation was computed. [2021-12-16 00:59:01,254 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 534 557) no Hoare annotation was computed. [2021-12-16 00:59:01,255 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 788) no Hoare annotation was computed. [2021-12-16 00:59:01,255 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2021-12-16 00:59:01,255 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2021-12-16 00:59:01,255 INFO L861 garLoopResultBuilder]: At program point L443(lines 418 447) the Hoare annotation is: true [2021-12-16 00:59:01,255 INFO L858 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2021-12-16 00:59:01,255 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-12-16 00:59:01,257 INFO L861 garLoopResultBuilder]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2021-12-16 00:59:01,257 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-12-16 00:59:01,258 INFO L861 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2021-12-16 00:59:01,258 INFO L861 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2021-12-16 00:59:01,259 INFO L858 garLoopResultBuilder]: For program point L424-1(line 424) no Hoare annotation was computed. [2021-12-16 00:59:01,259 INFO L858 garLoopResultBuilder]: For program point L737(lines 737 743) no Hoare annotation was computed. [2021-12-16 00:59:01,260 INFO L858 garLoopResultBuilder]: For program point L737-1(lines 737 743) no Hoare annotation was computed. [2021-12-16 00:59:01,260 INFO L854 garLoopResultBuilder]: At program point L799(lines 794 801) the Hoare annotation is: (and (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~pumpRunning~0 0)) [2021-12-16 00:59:01,260 INFO L858 garLoopResultBuilder]: For program point L729(lines 729 733) no Hoare annotation was computed. [2021-12-16 00:59:01,260 INFO L854 garLoopResultBuilder]: At program point L952(lines 947 955) the Hoare annotation is: (and (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:01,260 INFO L854 garLoopResultBuilder]: At program point L944(lines 940 946) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:01,260 INFO L854 garLoopResultBuilder]: At program point L713(lines 708 715) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (not (= 0 ~systemActive~0)) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~pumpRunning~0 0)) [2021-12-16 00:59:01,260 INFO L854 garLoopResultBuilder]: At program point L775(lines 726 776) the Hoare annotation is: false [2021-12-16 00:59:01,260 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 00:59:01,261 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 00:59:01,261 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 00:59:01,261 INFO L858 garLoopResultBuilder]: For program point L747(lines 747 753) no Hoare annotation was computed. [2021-12-16 00:59:01,261 INFO L858 garLoopResultBuilder]: For program point L747-1(lines 747 753) no Hoare annotation was computed. [2021-12-16 00:59:01,261 INFO L854 garLoopResultBuilder]: At program point L937(lines 933 939) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:01,261 INFO L854 garLoopResultBuilder]: At program point L772(lines 727 774) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (not (= 0 ~systemActive~0)) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~pumpRunning~0 0)) [2021-12-16 00:59:01,263 INFO L854 garLoopResultBuilder]: At program point L739(line 739) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (not (= 0 ~systemActive~0)) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~pumpRunning~0 0)) [2021-12-16 00:59:01,263 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 00:59:01,263 INFO L854 garLoopResultBuilder]: At program point L479(lines 475 481) the Hoare annotation is: (and (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~pumpRunning~0 0)) [2021-12-16 00:59:01,263 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2021-12-16 00:59:01,263 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 515) no Hoare annotation was computed. [2021-12-16 00:59:01,263 INFO L861 garLoopResultBuilder]: At program point L492(lines 484 494) the Hoare annotation is: true [2021-12-16 00:59:01,263 INFO L861 garLoopResultBuilder]: At program point L517(lines 498 520) the Hoare annotation is: true [2021-12-16 00:59:01,264 INFO L858 garLoopResultBuilder]: For program point L765(lines 765 769) no Hoare annotation was computed. [2021-12-16 00:59:01,264 INFO L854 garLoopResultBuilder]: At program point L765-2(lines 757 770) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (not (= 0 ~systemActive~0)) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~pumpRunning~0 0)) [2021-12-16 00:59:01,264 INFO L858 garLoopResultBuilder]: For program point L728(lines 727 774) no Hoare annotation was computed. [2021-12-16 00:59:01,264 INFO L858 garLoopResultBuilder]: For program point L757(lines 757 770) no Hoare annotation was computed. [2021-12-16 00:59:01,264 INFO L854 garLoopResultBuilder]: At program point L749(line 749) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (not (= 0 ~systemActive~0)) (= 1 |ULTIMATE.start_main_~tmp~3#1|) (= ~pumpRunning~0 0)) [2021-12-16 00:59:01,264 INFO L861 garLoopResultBuilder]: At program point L778(lines 717 782) the Hoare annotation is: true [2021-12-16 00:59:01,265 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 847 858) no Hoare annotation was computed. [2021-12-16 00:59:01,265 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 847 858) the Hoare annotation is: true [2021-12-16 00:59:01,265 INFO L858 garLoopResultBuilder]: For program point L851-1(lines 847 858) no Hoare annotation was computed. [2021-12-16 00:59:01,265 INFO L854 garLoopResultBuilder]: At program point L704(lines 689 707) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:59:01,266 INFO L854 garLoopResultBuilder]: At program point L576(line 576) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:59:01,266 INFO L858 garLoopResultBuilder]: For program point L574(lines 574 582) no Hoare annotation was computed. [2021-12-16 00:59:01,266 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 566 590) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:01,267 INFO L858 garLoopResultBuilder]: For program point L570(lines 570 587) no Hoare annotation was computed. [2021-12-16 00:59:01,268 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 702) no Hoare annotation was computed. [2021-12-16 00:59:01,268 INFO L858 garLoopResultBuilder]: For program point L698-2(lines 698 702) no Hoare annotation was computed. [2021-12-16 00:59:01,268 INFO L854 garLoopResultBuilder]: At program point L917(lines 912 920) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:59:01,269 INFO L854 garLoopResultBuilder]: At program point L585(line 585) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:01,269 INFO L858 garLoopResultBuilder]: For program point L585-1(lines 566 590) no Hoare annotation was computed. [2021-12-16 00:59:01,269 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 566 590) no Hoare annotation was computed. [2021-12-16 00:59:01,269 INFO L854 garLoopResultBuilder]: At program point L580(line 580) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-12-16 00:59:01,273 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-16 00:59:01,275 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 00:59:01,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:59:01 BoogieIcfgContainer [2021-12-16 00:59:01,301 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 00:59:01,301 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 00:59:01,302 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 00:59:01,303 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 00:59:01,303 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:58:59" (3/4) ... [2021-12-16 00:59:01,305 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 00:59:01,310 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-16 00:59:01,310 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 00:59:01,310 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 00:59:01,310 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-16 00:59:01,310 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 00:59:01,310 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 00:59:01,311 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 00:59:01,311 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-12-16 00:59:01,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2021-12-16 00:59:01,326 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 00:59:01,327 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 00:59:01,327 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 00:59:01,327 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 00:59:01,328 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:59:01,328 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:59:01,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == \result && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-16 00:59:01,346 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == \result && methaneLevelCritical == 0) && !(0 == systemActive)) && 1 == tmp) && pumpRunning == 0 [2021-12-16 00:59:01,346 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == \result && methaneLevelCritical == 0) && !(0 == systemActive)) && 1 == tmp) && pumpRunning == 0 [2021-12-16 00:59:01,347 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && 1 == \result) && !(0 == systemActive)) && 1 == tmp) && pumpRunning == 0 [2021-12-16 00:59:01,347 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0 == systemActive || !(\old(pumpRunning) == 0) [2021-12-16 00:59:01,349 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == systemActive || !(\old(pumpRunning) == 0)) || pumpRunning == 0 [2021-12-16 00:59:01,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && 1 == \result) && !(0 == systemActive)) && 1 == tmp) && pumpRunning == 0 [2021-12-16 00:59:01,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || tmp == 0) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((0 == systemActive || !(\old(pumpRunning) == 0)) || pumpRunning == 0) [2021-12-16 00:59:01,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0 == systemActive || !(\old(pumpRunning) == 0) [2021-12-16 00:59:01,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == systemActive || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((\result == 0 && pumpRunning == 0) || 0 == systemActive) || !(\old(pumpRunning) == 0)) [2021-12-16 00:59:01,351 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0 == systemActive || !(\old(pumpRunning) == 0) [2021-12-16 00:59:01,351 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0 == systemActive || !(\old(pumpRunning) == 0) [2021-12-16 00:59:01,351 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0 == systemActive || !(\old(pumpRunning) == 0) [2021-12-16 00:59:01,379 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 00:59:01,379 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 00:59:01,380 INFO L158 Benchmark]: Toolchain (without parser) took 2953.03ms. Allocated memory was 92.3MB in the beginning and 127.9MB in the end (delta: 35.7MB). Free memory was 60.5MB in the beginning and 71.0MB in the end (delta: -10.5MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2021-12-16 00:59:01,381 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 92.3MB. Free memory was 49.3MB in the beginning and 49.3MB in the end (delta: 34.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 00:59:01,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.06ms. Allocated memory was 92.3MB in the beginning and 127.9MB in the end (delta: 35.7MB). Free memory was 60.5MB in the beginning and 96.6MB in the end (delta: -36.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 00:59:01,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.80ms. Allocated memory is still 127.9MB. Free memory was 96.6MB in the beginning and 93.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:59:01,382 INFO L158 Benchmark]: Boogie Preprocessor took 35.89ms. Allocated memory is still 127.9MB. Free memory was 93.8MB in the beginning and 92.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:59:01,382 INFO L158 Benchmark]: RCFGBuilder took 349.11ms. Allocated memory is still 127.9MB. Free memory was 92.4MB in the beginning and 76.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-16 00:59:01,382 INFO L158 Benchmark]: TraceAbstraction took 1959.70ms. Allocated memory is still 127.9MB. Free memory was 75.6MB in the beginning and 77.3MB in the end (delta: -1.7MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2021-12-16 00:59:01,383 INFO L158 Benchmark]: Witness Printer took 78.13ms. Allocated memory is still 127.9MB. Free memory was 77.3MB in the beginning and 71.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 00:59:01,385 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 92.3MB. Free memory was 49.3MB in the beginning and 49.3MB in the end (delta: 34.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.06ms. Allocated memory was 92.3MB in the beginning and 127.9MB in the end (delta: 35.7MB). Free memory was 60.5MB in the beginning and 96.6MB in the end (delta: -36.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.80ms. Allocated memory is still 127.9MB. Free memory was 96.6MB in the beginning and 93.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.89ms. Allocated memory is still 127.9MB. Free memory was 93.8MB in the beginning and 92.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 349.11ms. Allocated memory is still 127.9MB. Free memory was 92.4MB in the beginning and 76.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1959.70ms. Allocated memory is still 127.9MB. Free memory was 75.6MB in the beginning and 77.3MB in the end (delta: -1.7MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * Witness Printer took 78.13ms. Allocated memory is still 127.9MB. Free memory was 77.3MB in the beginning and 71.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 788]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 90 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 346 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 335 mSDsluCounter, 1022 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 605 mSDsCounter, 88 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 286 IncrementalHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 88 mSolverCounterUnsat, 417 mSDtfsCounter, 286 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=4, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 31 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 294 PreInvPairs, 318 NumberOfFragments, 380 HoareAnnotationTreeSize, 294 FomulaSimplifications, 83 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 775 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 309 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: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: ((0 == systemActive || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((\result == 0 && pumpRunning == 0) || 0 == systemActive) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && 1 == \result) && !(0 == systemActive)) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 == systemActive || !(\old(pumpRunning) == 0) - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: (((1 == \result && methaneLevelCritical == 0) && !(0 == systemActive)) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 == systemActive || !(\old(pumpRunning) == 0) - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 0 == systemActive || !(\old(pumpRunning) == 0) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: (((0 == systemActive || tmp == 0) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((0 == systemActive || !(\old(pumpRunning) == 0)) || pumpRunning == 0) - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 == systemActive || !(\old(pumpRunning) == 0) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: ((1 == \result && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (0 == systemActive || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - InvariantResult [Line: 933]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && 1 == \result) && !(0 == systemActive)) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: (((1 == \result && methaneLevelCritical == 0) && !(0 == systemActive)) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 == systemActive || !(\old(pumpRunning) == 0) RESULT: Ultimate proved your program to be correct! [2021-12-16 00:59:01,430 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