./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product29.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 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 13:13:59,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 13:13:59,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 13:13:59,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 13:13:59,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 13:13:59,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 13:13:59,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 13:13:59,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 13:13:59,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 13:13:59,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 13:13:59,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 13:13:59,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 13:13:59,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 13:13:59,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 13:13:59,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 13:13:59,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 13:13:59,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 13:13:59,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 13:13:59,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 13:13:59,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 13:13:59,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 13:13:59,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 13:13:59,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 13:13:59,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 13:13:59,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 13:13:59,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 13:13:59,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 13:13:59,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 13:13:59,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 13:13:59,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 13:13:59,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 13:13:59,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 13:13:59,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 13:13:59,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 13:13:59,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 13:13:59,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 13:13:59,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 13:13:59,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 13:13:59,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 13:13:59,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 13:13:59,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 13:13:59,831 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 13:13:59,862 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 13:13:59,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 13:13:59,863 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 13:13:59,863 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 13:13:59,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 13:13:59,864 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 13:13:59,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 13:13:59,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 13:13:59,865 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 13:13:59,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 13:13:59,866 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 13:13:59,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 13:13:59,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 13:13:59,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 13:13:59,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 13:13:59,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 13:13:59,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 13:13:59,867 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 13:13:59,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 13:13:59,868 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 13:13:59,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 13:13:59,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 13:13:59,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 13:13:59,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 13:13:59,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:13:59,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 13:13:59,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 13:13:59,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 13:13:59,869 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 13:13:59,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 13:13:59,870 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 13:13:59,870 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 13:13:59,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 13:13:59,870 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 13:13:59,870 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 [2021-12-21 13:14:00,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 13:14:00,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 13:14:00,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 13:14:00,114 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 13:14:00,114 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 13:14:00,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2021-12-21 13:14:00,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b84b6c44e/c2a2453a5c4d4448ba980bc2a173c072/FLAG4e8165866 [2021-12-21 13:14:00,600 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 13:14:00,600 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2021-12-21 13:14:00,609 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b84b6c44e/c2a2453a5c4d4448ba980bc2a173c072/FLAG4e8165866 [2021-12-21 13:14:00,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b84b6c44e/c2a2453a5c4d4448ba980bc2a173c072 [2021-12-21 13:14:00,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 13:14:00,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 13:14:00,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 13:14:00,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 13:14:00,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 13:14:00,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:14:00" (1/1) ... [2021-12-21 13:14:00,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e09a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:00, skipping insertion in model container [2021-12-21 13:14:00,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:14:00" (1/1) ... [2021-12-21 13:14:00,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 13:14:00,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 13:14:01,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[18134,18147] [2021-12-21 13:14:01,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:14:01,252 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 13:14:01,346 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[18134,18147] [2021-12-21 13:14:01,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:14:01,360 INFO L208 MainTranslator]: Completed translation [2021-12-21 13:14:01,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:01 WrapperNode [2021-12-21 13:14:01,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 13:14:01,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 13:14:01,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 13:14:01,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 13:14:01,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:01" (1/1) ... [2021-12-21 13:14:01,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:01" (1/1) ... [2021-12-21 13:14:01,401 INFO L137 Inliner]: procedures = 54, calls = 155, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 222 [2021-12-21 13:14:01,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 13:14:01,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 13:14:01,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 13:14:01,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 13:14:01,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:01" (1/1) ... [2021-12-21 13:14:01,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:01" (1/1) ... [2021-12-21 13:14:01,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:01" (1/1) ... [2021-12-21 13:14:01,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:01" (1/1) ... [2021-12-21 13:14:01,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:01" (1/1) ... [2021-12-21 13:14:01,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:01" (1/1) ... [2021-12-21 13:14:01,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:01" (1/1) ... [2021-12-21 13:14:01,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 13:14:01,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 13:14:01,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 13:14:01,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 13:14:01,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:01" (1/1) ... [2021-12-21 13:14:01,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:14:01,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:14:01,460 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) [2021-12-21 13:14:01,467 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 [2021-12-21 13:14:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 13:14:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-21 13:14:01,522 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-21 13:14:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-21 13:14:01,522 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-21 13:14:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-21 13:14:01,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-21 13:14:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-21 13:14:01,522 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-21 13:14:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-21 13:14:01,522 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-21 13:14:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-21 13:14:01,522 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-21 13:14:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-21 13:14:01,523 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-21 13:14:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-21 13:14:01,523 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-21 13:14:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 13:14:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-21 13:14:01,523 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-21 13:14:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 13:14:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 13:14:01,602 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 13:14:01,604 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 13:14:01,870 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 13:14:01,877 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 13:14:01,877 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 13:14:01,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:14:01 BoogieIcfgContainer [2021-12-21 13:14:01,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 13:14:01,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 13:14:01,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 13:14:01,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 13:14:01,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 01:14:00" (1/3) ... [2021-12-21 13:14:01,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff477b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:14:01, skipping insertion in model container [2021-12-21 13:14:01,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:14:01" (2/3) ... [2021-12-21 13:14:01,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff477b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:14:01, skipping insertion in model container [2021-12-21 13:14:01,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:14:01" (3/3) ... [2021-12-21 13:14:01,887 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2021-12-21 13:14:01,891 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 13:14:01,891 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 13:14:01,943 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 13:14:01,951 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 [2021-12-21 13:14:01,952 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 13:14:01,981 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 73 states have internal predecessors, (89), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-21 13:14:01,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-21 13:14:01,990 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:14:01,991 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:14:01,992 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:14:01,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:14:01,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1140518048, now seen corresponding path program 1 times [2021-12-21 13:14:02,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:14:02,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253448815] [2021-12-21 13:14:02,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:02,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:14:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:02,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 13:14:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:02,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:14:02,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:14:02,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253448815] [2021-12-21 13:14:02,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253448815] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:14:02,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:14:02,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 13:14:02,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995281727] [2021-12-21 13:14:02,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:14:02,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 13:14:02,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:14:02,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 13:14:02,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 13:14:02,291 INFO L87 Difference]: Start difference. First operand has 91 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 73 states have internal predecessors, (89), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:14:02,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:14:02,336 INFO L93 Difference]: Finished difference Result 174 states and 233 transitions. [2021-12-21 13:14:02,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 13:14:02,338 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-12-21 13:14:02,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:14:02,347 INFO L225 Difference]: With dead ends: 174 [2021-12-21 13:14:02,347 INFO L226 Difference]: Without dead ends: 82 [2021-12-21 13:14:02,353 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 [2021-12-21 13:14:02,357 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 [2021-12-21 13:14:02,358 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] [2021-12-21 13:14:02,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-12-21 13:14:02,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-12-21 13:14:02,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 58 states have (on average 1.293103448275862) internal successors, (75), 65 states have internal predecessors, (75), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-21 13:14:02,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 104 transitions. [2021-12-21 13:14:02,407 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 104 transitions. Word has length 23 [2021-12-21 13:14:02,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:14:02,408 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 104 transitions. [2021-12-21 13:14:02,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:14:02,408 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2021-12-21 13:14:02,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-21 13:14:02,412 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:14:02,412 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:14:02,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 13:14:02,413 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:14:02,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:14:02,416 INFO L85 PathProgramCache]: Analyzing trace with hash -862520954, now seen corresponding path program 1 times [2021-12-21 13:14:02,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:14:02,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541248184] [2021-12-21 13:14:02,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:02,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:14:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-21 13:14:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:02,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:14:02,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:14:02,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541248184] [2021-12-21 13:14:02,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541248184] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:14:02,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:14:02,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:14:02,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396182970] [2021-12-21 13:14:02,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:14:02,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:14:02,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:14:02,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:14:02,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:14:02,522 INFO L87 Difference]: Start difference. First operand 82 states and 104 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:14:02,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:14:02,542 INFO L93 Difference]: Finished difference Result 130 states and 164 transitions. [2021-12-21 13:14:02,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:14:02,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-12-21 13:14:02,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:14:02,549 INFO L225 Difference]: With dead ends: 130 [2021-12-21 13:14:02,549 INFO L226 Difference]: Without dead ends: 73 [2021-12-21 13:14:02,550 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 [2021-12-21 13:14:02,552 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 12 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 166 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 [2021-12-21 13:14:02,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 166 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:14:02,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-12-21 13:14:02,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-12-21 13:14:02,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 59 states have internal predecessors, (68), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-21 13:14:02,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2021-12-21 13:14:02,565 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 92 transitions. Word has length 24 [2021-12-21 13:14:02,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:14:02,565 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 92 transitions. [2021-12-21 13:14:02,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:14:02,566 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2021-12-21 13:14:02,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-21 13:14:02,567 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:14:02,567 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:14:02,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 13:14:02,567 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:14:02,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:14:02,568 INFO L85 PathProgramCache]: Analyzing trace with hash 855883978, now seen corresponding path program 1 times [2021-12-21 13:14:02,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:14:02,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061538448] [2021-12-21 13:14:02,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:02,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:14:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:02,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 13:14:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:02,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:14:02,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:14:02,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061538448] [2021-12-21 13:14:02,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061538448] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:14:02,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:14:02,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:14:02,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463519829] [2021-12-21 13:14:02,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:14:02,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:14:02,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:14:02,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:14:02,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:14:02,633 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:14:02,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:14:02,651 INFO L93 Difference]: Finished difference Result 139 states and 178 transitions. [2021-12-21 13:14:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:14:02,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-12-21 13:14:02,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:14:02,654 INFO L225 Difference]: With dead ends: 139 [2021-12-21 13:14:02,654 INFO L226 Difference]: Without dead ends: 73 [2021-12-21 13:14:02,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:14:02,661 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 74 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:14:02,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:14:02,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-12-21 13:14:02,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-12-21 13:14:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 59 states have internal predecessors, (67), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-21 13:14:02,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 91 transitions. [2021-12-21 13:14:02,674 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 91 transitions. Word has length 28 [2021-12-21 13:14:02,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:14:02,675 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 91 transitions. [2021-12-21 13:14:02,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 13:14:02,675 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2021-12-21 13:14:02,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-21 13:14:02,678 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:14:02,678 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] [2021-12-21 13:14:02,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 13:14:02,678 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:14:02,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:14:02,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1235179039, now seen corresponding path program 1 times [2021-12-21 13:14:02,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:14:02,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705617480] [2021-12-21 13:14:02,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:02,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:14:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:02,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 13:14:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:02,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:14:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:02,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-21 13:14:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:02,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:14:02,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:14:02,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705617480] [2021-12-21 13:14:02,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705617480] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:14:02,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:14:02,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:14:02,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165537095] [2021-12-21 13:14:02,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:14:02,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:14:02,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:14:02,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:14:02,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:14:02,776 INFO L87 Difference]: Start difference. First operand 73 states and 91 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 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) [2021-12-21 13:14:03,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:14:03,061 INFO L93 Difference]: Finished difference Result 231 states and 294 transitions. [2021-12-21 13:14:03,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-21 13:14:03,061 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 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 38 [2021-12-21 13:14:03,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:14:03,065 INFO L225 Difference]: With dead ends: 231 [2021-12-21 13:14:03,065 INFO L226 Difference]: Without dead ends: 165 [2021-12-21 13:14:03,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-21 13:14:03,083 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 140 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:14:03,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 385 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 13:14:03,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-12-21 13:14:03,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 135. [2021-12-21 13:14:03,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 94 states have (on average 1.2872340425531914) internal successors, (121), 107 states have internal predecessors, (121), 24 states have call successors, (24), 16 states have call predecessors, (24), 16 states have return successors, (25), 16 states have call predecessors, (25), 24 states have call successors, (25) [2021-12-21 13:14:03,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 170 transitions. [2021-12-21 13:14:03,107 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 170 transitions. Word has length 38 [2021-12-21 13:14:03,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:14:03,108 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 170 transitions. [2021-12-21 13:14:03,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 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) [2021-12-21 13:14:03,108 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2021-12-21 13:14:03,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-21 13:14:03,110 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:14:03,110 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] [2021-12-21 13:14:03,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 13:14:03,110 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:14:03,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:14:03,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1170742117, now seen corresponding path program 1 times [2021-12-21 13:14:03,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:14:03,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552708183] [2021-12-21 13:14:03,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:14:03,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:14:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:03,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:14:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:03,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:14:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:03,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:14:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:03,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:14:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:14:03,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:14:03,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:14:03,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552708183] [2021-12-21 13:14:03,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552708183] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:14:03,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:14:03,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:14:03,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588392374] [2021-12-21 13:14:03,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:14:03,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:14:03,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:14:03,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:14:03,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:14:03,210 INFO L87 Difference]: Start difference. First operand 135 states and 170 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-12-21 13:14:03,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:14:03,319 INFO L93 Difference]: Finished difference Result 220 states and 279 transitions. [2021-12-21 13:14:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 13:14:03,320 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 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 42 [2021-12-21 13:14:03,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:14:03,321 INFO L225 Difference]: With dead ends: 220 [2021-12-21 13:14:03,321 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 13:14:03,322 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 [2021-12-21 13:14:03,323 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 71 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 133 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 [2021-12-21 13:14:03,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 133 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:14:03,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 13:14:03,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 13:14:03,324 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) [2021-12-21 13:14:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 13:14:03,324 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2021-12-21 13:14:03,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:14:03,326 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 13:14:03,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-12-21 13:14:03,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 13:14:03,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 13:14:03,328 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 13:14:03,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 13:14:03,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 13:14:03,770 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 171 178) the Hoare annotation is: true [2021-12-21 13:14:03,771 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 171 178) no Hoare annotation was computed. [2021-12-21 13:14:03,771 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 171 178) no Hoare annotation was computed. [2021-12-21 13:14:03,771 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 87 93) no Hoare annotation was computed. [2021-12-21 13:14:03,771 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 87 93) the Hoare annotation is: true [2021-12-21 13:14:03,771 INFO L858 garLoopResultBuilder]: For program point L881-1(lines 877 888) no Hoare annotation was computed. [2021-12-21 13:14:03,771 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 877 888) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-12-21 13:14:03,771 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 877 888) no Hoare annotation was computed. [2021-12-21 13:14:03,771 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 324 353) no Hoare annotation was computed. [2021-12-21 13:14:03,771 INFO L861 garLoopResultBuilder]: At program point L349(lines 324 353) the Hoare annotation is: true [2021-12-21 13:14:03,771 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 324 353) the Hoare annotation is: true [2021-12-21 13:14:03,772 INFO L858 garLoopResultBuilder]: For program point L345(line 345) no Hoare annotation was computed. [2021-12-21 13:14:03,772 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 342) no Hoare annotation was computed. [2021-12-21 13:14:03,772 INFO L861 garLoopResultBuilder]: At program point L338-1(lines 338 342) the Hoare annotation is: true [2021-12-21 13:14:03,772 INFO L858 garLoopResultBuilder]: For program point L335(line 335) no Hoare annotation was computed. [2021-12-21 13:14:03,772 INFO L861 garLoopResultBuilder]: At program point L334-2(lines 334 348) the Hoare annotation is: true [2021-12-21 13:14:03,772 INFO L861 garLoopResultBuilder]: At program point L330(line 330) the Hoare annotation is: true [2021-12-21 13:14:03,772 INFO L858 garLoopResultBuilder]: For program point L330-1(line 330) no Hoare annotation was computed. [2021-12-21 13:14:03,772 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 889 897) the Hoare annotation is: true [2021-12-21 13:14:03,772 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 889 897) no Hoare annotation was computed. [2021-12-21 13:14:03,772 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 889 897) no Hoare annotation was computed. [2021-12-21 13:14:03,772 INFO L858 garLoopResultBuilder]: For program point L857(lines 857 861) no Hoare annotation was computed. [2021-12-21 13:14:03,772 INFO L854 garLoopResultBuilder]: At program point L857-2(lines 853 864) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-21 13:14:03,772 INFO L858 garLoopResultBuilder]: For program point L944(line 944) no Hoare annotation was computed. [2021-12-21 13:14:03,772 INFO L854 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-21 13:14:03,773 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 63 86) no Hoare annotation was computed. [2021-12-21 13:14:03,773 INFO L854 garLoopResultBuilder]: At program point L131(line 131) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-21 13:14:03,773 INFO L854 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-21 13:14:03,773 INFO L858 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2021-12-21 13:14:03,773 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 476) no Hoare annotation was computed. [2021-12-21 13:14:03,773 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 479) no Hoare annotation was computed. [2021-12-21 13:14:03,773 INFO L854 garLoopResultBuilder]: At program point L945(lines 940 947) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-21 13:14:03,773 INFO L854 garLoopResultBuilder]: At program point L466-1(lines 458 482) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~6#1| 0)) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2021-12-21 13:14:03,773 INFO L854 garLoopResultBuilder]: At program point L140(line 140) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-21 13:14:03,773 INFO L854 garLoopResultBuilder]: At program point L140-1(lines 121 145) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-21 13:14:03,773 INFO L858 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2021-12-21 13:14:03,774 INFO L854 garLoopResultBuilder]: At program point L195(lines 190 198) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2021-12-21 13:14:03,774 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 66 85) no Hoare annotation was computed. [2021-12-21 13:14:03,774 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 137) no Hoare annotation was computed. [2021-12-21 13:14:03,774 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 142) no Hoare annotation was computed. [2021-12-21 13:14:03,774 INFO L854 garLoopResultBuilder]: At program point L464(line 464) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-21 13:14:03,774 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 63 86) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-21 13:14:03,774 INFO L858 garLoopResultBuilder]: For program point L464-1(line 464) no Hoare annotation was computed. [2021-12-21 13:14:03,774 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 63 86) no Hoare annotation was computed. [2021-12-21 13:14:03,774 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2021-12-21 13:14:03,774 INFO L854 garLoopResultBuilder]: At program point L382(lines 378 384) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-21 13:14:03,774 INFO L854 garLoopResultBuilder]: At program point L444(lines 440 446) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-21 13:14:03,775 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 308) no Hoare annotation was computed. [2021-12-21 13:14:03,775 INFO L854 garLoopResultBuilder]: At program point L304-2(lines 298 309) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-21 13:14:03,775 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 294) no Hoare annotation was computed. [2021-12-21 13:14:03,775 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 13:14:03,775 INFO L858 garLoopResultBuilder]: For program point L288-1(lines 288 294) no Hoare annotation was computed. [2021-12-21 13:14:03,775 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 13:14:03,775 INFO L861 garLoopResultBuilder]: At program point L317(lines 258 321) the Hoare annotation is: true [2021-12-21 13:14:03,775 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 13:14:03,775 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 415) no Hoare annotation was computed. [2021-12-21 13:14:03,775 INFO L854 garLoopResultBuilder]: At program point L280(line 280) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-21 13:14:03,775 INFO L858 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2021-12-21 13:14:03,775 INFO L854 garLoopResultBuilder]: At program point L437(lines 433 439) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-21 13:14:03,775 INFO L861 garLoopResultBuilder]: At program point L392(lines 385 394) the Hoare annotation is: true [2021-12-21 13:14:03,776 INFO L861 garLoopResultBuilder]: At program point L417(lines 398 420) the Hoare annotation is: true [2021-12-21 13:14:03,776 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 13:14:03,776 INFO L854 garLoopResultBuilder]: At program point L314(lines 267 315) the Hoare annotation is: false [2021-12-21 13:14:03,776 INFO L858 garLoopResultBuilder]: For program point L269(lines 268 313) no Hoare annotation was computed. [2021-12-21 13:14:03,776 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 309) no Hoare annotation was computed. [2021-12-21 13:14:03,776 INFO L854 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-21 13:14:03,776 INFO L854 garLoopResultBuilder]: At program point L311(lines 268 313) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-21 13:14:03,776 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 284) no Hoare annotation was computed. [2021-12-21 13:14:03,776 INFO L858 garLoopResultBuilder]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2021-12-21 13:14:03,776 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 274) no Hoare annotation was computed. [2021-12-21 13:14:03,776 INFO L854 garLoopResultBuilder]: At program point L452(lines 447 455) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-21 13:14:03,776 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 865 876) no Hoare annotation was computed. [2021-12-21 13:14:03,776 INFO L858 garLoopResultBuilder]: For program point L869-1(lines 865 876) no Hoare annotation was computed. [2021-12-21 13:14:03,777 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 865 876) the Hoare annotation is: true [2021-12-21 13:14:03,777 INFO L854 garLoopResultBuilder]: At program point L250(lines 235 253) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-21 13:14:03,777 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2021-12-21 13:14:03,777 INFO L858 garLoopResultBuilder]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2021-12-21 13:14:03,777 INFO L854 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-21 13:14:03,777 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 95 119) no Hoare annotation was computed. [2021-12-21 13:14:03,777 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 95 119) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-21 13:14:03,779 INFO L854 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-21 13:14:03,779 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 95 119) no Hoare annotation was computed. [2021-12-21 13:14:03,779 INFO L854 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-21 13:14:03,779 INFO L854 garLoopResultBuilder]: At program point L935(lines 930 938) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-21 13:14:03,779 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2021-12-21 13:14:03,779 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 116) no Hoare annotation was computed. [2021-12-21 13:14:03,780 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 179 189) the Hoare annotation is: true [2021-12-21 13:14:03,780 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 179 189) no Hoare annotation was computed. [2021-12-21 13:14:03,780 INFO L861 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: true [2021-12-21 13:14:03,780 INFO L858 garLoopResultBuilder]: For program point L184-1(line 184) no Hoare annotation was computed. [2021-12-21 13:14:03,780 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 179 189) no Hoare annotation was computed. [2021-12-21 13:14:03,783 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-21 13:14:03,784 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 13:14:03,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 01:14:03 BoogieIcfgContainer [2021-12-21 13:14:03,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 13:14:03,798 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 13:14:03,798 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 13:14:03,798 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 13:14:03,798 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:14:01" (3/4) ... [2021-12-21 13:14:03,800 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 13:14:03,805 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-21 13:14:03,805 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-21 13:14:03,805 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-21 13:14:03,805 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-21 13:14:03,805 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-21 13:14:03,806 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-21 13:14:03,806 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-21 13:14:03,806 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-21 13:14:03,806 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-21 13:14:03,811 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2021-12-21 13:14:03,812 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-21 13:14:03,812 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-21 13:14:03,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-21 13:14:03,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 13:14:03,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:14:03,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:14:03,831 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-21 13:14:03,832 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2021-12-21 13:14:03,833 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2021-12-21 13:14:03,833 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2021-12-21 13:14:03,834 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-21 13:14:03,834 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-21 13:14:03,834 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-21 13:14:03,859 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 13:14:03,859 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 13:14:03,859 INFO L158 Benchmark]: Toolchain (without parser) took 2916.45ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 59.7MB in the beginning and 92.6MB in the end (delta: -32.9MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2021-12-21 13:14:03,860 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 13:14:03,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.80ms. Allocated memory is still 96.5MB. Free memory was 59.4MB in the beginning and 64.9MB in the end (delta: -5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 13:14:03,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.03ms. Allocated memory is still 96.5MB. Free memory was 64.9MB in the beginning and 62.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:14:03,861 INFO L158 Benchmark]: Boogie Preprocessor took 22.68ms. Allocated memory is still 96.5MB. Free memory was 62.8MB in the beginning and 61.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:14:03,861 INFO L158 Benchmark]: RCFGBuilder took 453.47ms. Allocated memory is still 96.5MB. Free memory was 61.1MB in the beginning and 44.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-21 13:14:03,861 INFO L158 Benchmark]: TraceAbstraction took 1916.95ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 44.4MB in the beginning and 43.2MB in the end (delta: 1.1MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2021-12-21 13:14:03,861 INFO L158 Benchmark]: Witness Printer took 61.37ms. Allocated memory is still 117.4MB. Free memory was 43.2MB in the beginning and 92.6MB in the end (delta: -49.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-12-21 13:14:03,863 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.80ms. Allocated memory is still 96.5MB. Free memory was 59.4MB in the beginning and 64.9MB in the end (delta: -5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.03ms. Allocated memory is still 96.5MB. Free memory was 64.9MB in the beginning and 62.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.68ms. Allocated memory is still 96.5MB. Free memory was 62.8MB in the beginning and 61.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.47ms. Allocated memory is still 96.5MB. Free memory was 61.1MB in the beginning and 44.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1916.95ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 44.4MB in the beginning and 43.2MB in the end (delta: 1.1MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Witness Printer took 61.37ms. Allocated memory is still 117.4MB. Free memory was 43.2MB in the beginning and 92.6MB in the end (delta: -49.4MB). Peak memory consumption was 8.0MB. 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: 944]: 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 10 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 310 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 297 mSDsluCounter, 887 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 465 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 295 IncrementalHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 422 mSDtfsCounter, 295 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=4, InterpolantAutomatonStates: 28, 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, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 293 PreInvPairs, 315 NumberOfFragments, 319 HoareAnnotationTreeSize, 293 FomulaSimplifications, 74 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 41 FomulaSimplificationsInter, 618 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 306 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: 235]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) RESULT: Ultimate proved your program to be correct! [2021-12-21 13:14:03,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE