./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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_spec3_product64.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 d436abf98cab5db4fbcf1977ce5628e2227cd7aa643df1d726e32cf2e71cb81f --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:09:46,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:09:46,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:09:46,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:09:46,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:09:46,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:09:46,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:09:46,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:09:46,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:09:46,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:09:46,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:09:46,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:09:46,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:09:46,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:09:46,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:09:46,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:09:46,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:09:46,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:09:46,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:09:46,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:09:46,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:09:46,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:09:46,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:09:46,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:09:46,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:09:46,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:09:46,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:09:46,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:09:46,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:09:46,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:09:46,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:09:46,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:09:46,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:09:46,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:09:46,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:09:46,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:09:46,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:09:46,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:09:46,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:09:46,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:09:46,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:09:46,472 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:09:46,496 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:09:46,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:09:46,496 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:09:46,497 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:09:46,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:09:46,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:09:46,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:09:46,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:09:46,498 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:09:46,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:09:46,499 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:09:46,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:09:46,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:09:46,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:09:46,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:09:46,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:09:46,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:09:46,500 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:09:46,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:09:46,501 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:09:46,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:09:46,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:09:46,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:09:46,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:09:46,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:09:46,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:09:46,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:09:46,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:09:46,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:09:46,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:09:46,503 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:09:46,503 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:09:46,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:09:46,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:09:46,504 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d436abf98cab5db4fbcf1977ce5628e2227cd7aa643df1d726e32cf2e71cb81f [2021-12-15 11:09:46,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:09:46,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:09:46,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:09:46,728 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:09:46,729 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:09:46,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c [2021-12-15 11:09:46,791 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6670d9621/33c89ebd024346b5bce06927802df28a/FLAG2c9d5d233 [2021-12-15 11:09:47,251 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:09:47,251 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c [2021-12-15 11:09:47,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6670d9621/33c89ebd024346b5bce06927802df28a/FLAG2c9d5d233 [2021-12-15 11:09:47,570 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6670d9621/33c89ebd024346b5bce06927802df28a [2021-12-15 11:09:47,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:09:47,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:09:47,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:09:47,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:09:47,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:09:47,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:09:47" (1/1) ... [2021-12-15 11:09:47,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a2d601b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:47, skipping insertion in model container [2021-12-15 11:09:47,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:09:47" (1/1) ... [2021-12-15 11:09:47,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:09:47,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:09:47,887 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_spec3_product64.cil.c[19022,19035] [2021-12-15 11:09:47,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:09:47,909 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:09:47,970 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_spec3_product64.cil.c[19022,19035] [2021-12-15 11:09:47,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:09:47,990 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:09:47,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:47 WrapperNode [2021-12-15 11:09:47,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:09:47,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:09:47,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:09:47,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:09:47,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:47" (1/1) ... [2021-12-15 11:09:48,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:47" (1/1) ... [2021-12-15 11:09:48,042 INFO L137 Inliner]: procedures = 59, calls = 164, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 288 [2021-12-15 11:09:48,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:09:48,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:09:48,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:09:48,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:09:48,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:47" (1/1) ... [2021-12-15 11:09:48,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:47" (1/1) ... [2021-12-15 11:09:48,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:47" (1/1) ... [2021-12-15 11:09:48,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:47" (1/1) ... [2021-12-15 11:09:48,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:47" (1/1) ... [2021-12-15 11:09:48,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:47" (1/1) ... [2021-12-15 11:09:48,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:47" (1/1) ... [2021-12-15 11:09:48,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:09:48,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:09:48,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:09:48,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:09:48,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:47" (1/1) ... [2021-12-15 11:09:48,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:09:48,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:09:48,121 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) [2021-12-15 11:09:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:09:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-15 11:09:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-15 11:09:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-15 11:09:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-15 11:09:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-15 11:09:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-15 11:09:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-15 11:09:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-15 11:09:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-15 11:09:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-15 11:09:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-15 11:09:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-15 11:09:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-15 11:09:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-15 11:09:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-15 11:09:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-15 11:09:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-15 11:09:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-15 11:09:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:09:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-15 11:09:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-15 11:09:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:09:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:09:48,135 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 [2021-12-15 11:09:48,200 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:09:48,202 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:09:48,443 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:09:48,448 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:09:48,449 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 11:09:48,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:09:48 BoogieIcfgContainer [2021-12-15 11:09:48,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:09:48,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:09:48,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:09:48,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:09:48,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:09:47" (1/3) ... [2021-12-15 11:09:48,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c603f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:09:48, skipping insertion in model container [2021-12-15 11:09:48,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:47" (2/3) ... [2021-12-15 11:09:48,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c603f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:09:48, skipping insertion in model container [2021-12-15 11:09:48,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:09:48" (3/3) ... [2021-12-15 11:09:48,455 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product64.cil.c [2021-12-15 11:09:48,458 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:09:48,458 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:09:48,491 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:09:48,495 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 [2021-12-15 11:09:48,495 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:09:48,520 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 84 states have (on average 1.369047619047619) internal successors, (115), 95 states have internal predecessors, (115), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2021-12-15 11:09:48,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-15 11:09:48,525 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:09:48,525 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:09:48,526 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:09:48,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:09:48,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1815405350, now seen corresponding path program 1 times [2021-12-15 11:09:48,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:09:48,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809263048] [2021-12-15 11:09:48,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:09:48,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:09:48,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:09:48,586 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 11:09:48,593 INFO L158 Benchmark]: Toolchain (without parser) took 1016.33ms. Allocated memory was 107.0MB in the beginning and 153.1MB in the end (delta: 46.1MB). Free memory was 77.0MB in the beginning and 87.2MB in the end (delta: -10.3MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2021-12-15 11:09:48,594 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory was 69.1MB in the beginning and 69.0MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:09:48,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.91ms. Allocated memory was 107.0MB in the beginning and 153.1MB in the end (delta: 46.1MB). Free memory was 77.0MB in the beginning and 119.6MB in the end (delta: -42.6MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-12-15 11:09:48,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.26ms. Allocated memory is still 153.1MB. Free memory was 119.6MB in the beginning and 117.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 11:09:48,596 INFO L158 Benchmark]: Boogie Preprocessor took 43.18ms. Allocated memory is still 153.1MB. Free memory was 117.2MB in the beginning and 115.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 11:09:48,597 INFO L158 Benchmark]: RCFGBuilder took 361.82ms. Allocated memory is still 153.1MB. Free memory was 115.4MB in the beginning and 97.7MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 11:09:48,601 INFO L158 Benchmark]: TraceAbstraction took 140.14ms. Allocated memory is still 153.1MB. Free memory was 97.1MB in the beginning and 87.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 11:09:48,606 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory was 69.1MB in the beginning and 69.0MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.91ms. Allocated memory was 107.0MB in the beginning and 153.1MB in the end (delta: 46.1MB). Free memory was 77.0MB in the beginning and 119.6MB in the end (delta: -42.6MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.26ms. Allocated memory is still 153.1MB. Free memory was 119.6MB in the beginning and 117.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.18ms. Allocated memory is still 153.1MB. Free memory was 117.2MB in the beginning and 115.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 361.82ms. Allocated memory is still 153.1MB. Free memory was 115.4MB in the beginning and 97.7MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 140.14ms. Allocated memory is still 153.1MB. Free memory was 97.1MB in the beginning and 87.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:09:48,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_spec3_product64.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 d436abf98cab5db4fbcf1977ce5628e2227cd7aa643df1d726e32cf2e71cb81f --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:09:50,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:09:50,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:09:50,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:09:50,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:09:50,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:09:50,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:09:50,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:09:50,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:09:50,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:09:50,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:09:50,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:09:50,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:09:50,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:09:50,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:09:50,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:09:50,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:09:50,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:09:50,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:09:50,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:09:50,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:09:50,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:09:50,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:09:50,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:09:50,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:09:50,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:09:50,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:09:50,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:09:50,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:09:50,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:09:50,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:09:50,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:09:50,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:09:50,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:09:50,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:09:50,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:09:50,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:09:50,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:09:50,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:09:50,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:09:50,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:09:50,410 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:09:50,435 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:09:50,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:09:50,436 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:09:50,436 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:09:50,437 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:09:50,437 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:09:50,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:09:50,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:09:50,438 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:09:50,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:09:50,439 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:09:50,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:09:50,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:09:50,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:09:50,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:09:50,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:09:50,440 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:09:50,440 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:09:50,440 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:09:50,440 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:09:50,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:09:50,440 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:09:50,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:09:50,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:09:50,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:09:50,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:09:50,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:09:50,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:09:50,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:09:50,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:09:50,442 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:09:50,442 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:09:50,442 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:09:50,442 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:09:50,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:09:50,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:09:50,443 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:09:50,443 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d436abf98cab5db4fbcf1977ce5628e2227cd7aa643df1d726e32cf2e71cb81f [2021-12-15 11:09:50,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:09:50,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:09:50,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:09:50,710 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:09:50,710 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:09:50,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c [2021-12-15 11:09:50,772 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4244f46c3/e57bb59f405048dbbe3fceeaeab800c6/FLAG2357303a3 [2021-12-15 11:09:51,194 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:09:51,194 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c [2021-12-15 11:09:51,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4244f46c3/e57bb59f405048dbbe3fceeaeab800c6/FLAG2357303a3 [2021-12-15 11:09:51,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4244f46c3/e57bb59f405048dbbe3fceeaeab800c6 [2021-12-15 11:09:51,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:09:51,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:09:51,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:09:51,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:09:51,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:09:51,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:09:51" (1/1) ... [2021-12-15 11:09:51,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@602150cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:51, skipping insertion in model container [2021-12-15 11:09:51,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:09:51" (1/1) ... [2021-12-15 11:09:51,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:09:51,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:09:51,799 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_spec3_product64.cil.c[19022,19035] [2021-12-15 11:09:51,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:09:51,821 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:09:51,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:09:51,900 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_spec3_product64.cil.c[19022,19035] [2021-12-15 11:09:51,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:09:51,913 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:09:51,945 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_spec3_product64.cil.c[19022,19035] [2021-12-15 11:09:51,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:09:51,958 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:09:51,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:51 WrapperNode [2021-12-15 11:09:51,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:09:51,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:09:51,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:09:51,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:09:51,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:51" (1/1) ... [2021-12-15 11:09:51,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:51" (1/1) ... [2021-12-15 11:09:52,014 INFO L137 Inliner]: procedures = 61, calls = 164, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 274 [2021-12-15 11:09:52,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:09:52,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:09:52,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:09:52,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:09:52,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:51" (1/1) ... [2021-12-15 11:09:52,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:51" (1/1) ... [2021-12-15 11:09:52,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:51" (1/1) ... [2021-12-15 11:09:52,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:51" (1/1) ... [2021-12-15 11:09:52,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:51" (1/1) ... [2021-12-15 11:09:52,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:51" (1/1) ... [2021-12-15 11:09:52,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:51" (1/1) ... [2021-12-15 11:09:52,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:09:52,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:09:52,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:09:52,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:09:52,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:51" (1/1) ... [2021-12-15 11:09:52,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:09:52,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:09:52,087 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) [2021-12-15 11:09:52,106 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 [2021-12-15 11:09:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:09:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-15 11:09:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-15 11:09:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-15 11:09:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-15 11:09:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-15 11:09:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-15 11:09:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-15 11:09:52,119 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-15 11:09:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-15 11:09:52,119 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-15 11:09:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-15 11:09:52,119 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-15 11:09:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:09:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-15 11:09:52,119 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-15 11:09:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-15 11:09:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-15 11:09:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-15 11:09:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-15 11:09:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-15 11:09:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-15 11:09:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:09:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:09:52,195 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:09:52,196 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:09:52,641 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:09:52,646 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:09:52,646 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 11:09:52,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:09:52 BoogieIcfgContainer [2021-12-15 11:09:52,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:09:52,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:09:52,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:09:52,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:09:52,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:09:51" (1/3) ... [2021-12-15 11:09:52,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f85bfa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:09:52, skipping insertion in model container [2021-12-15 11:09:52,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:09:51" (2/3) ... [2021-12-15 11:09:52,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f85bfa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:09:52, skipping insertion in model container [2021-12-15 11:09:52,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:09:52" (3/3) ... [2021-12-15 11:09:52,672 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product64.cil.c [2021-12-15 11:09:52,676 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:09:52,676 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:09:52,760 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:09:52,766 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 [2021-12-15 11:09:52,766 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:09:52,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 84 states have (on average 1.369047619047619) internal successors, (115), 95 states have internal predecessors, (115), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2021-12-15 11:09:52,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-15 11:09:52,811 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:09:52,812 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:09:52,812 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:09:52,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:09:52,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1815405350, now seen corresponding path program 1 times [2021-12-15 11:09:52,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:09:52,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282637532] [2021-12-15 11:09:52,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:09:52,824 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:09:52,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:09:52,826 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 11:09:52,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 11:09:52,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 11:09:53,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 11:09:53,072 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 11:09:53,076 INFO L158 Benchmark]: Toolchain (without parser) took 1531.14ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 42.7MB in the beginning and 47.7MB in the end (delta: -5.0MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2021-12-15 11:09:53,076 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 45.0MB in the end (delta: 45.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:09:53,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.32ms. Allocated memory is still 62.9MB. Free memory was 42.6MB in the beginning and 37.4MB in the end (delta: 5.1MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2021-12-15 11:09:53,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.18ms. Allocated memory is still 62.9MB. Free memory was 37.4MB in the beginning and 34.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 11:09:53,077 INFO L158 Benchmark]: Boogie Preprocessor took 46.57ms. Allocated memory is still 62.9MB. Free memory was 34.8MB in the beginning and 33.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:09:53,078 INFO L158 Benchmark]: RCFGBuilder took 583.66ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 33.0MB in the beginning and 57.5MB in the end (delta: -24.4MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2021-12-15 11:09:53,078 INFO L158 Benchmark]: TraceAbstraction took 426.14ms. Allocated memory is still 86.0MB. Free memory was 57.1MB in the beginning and 47.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 11:09:53,080 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 45.0MB in the end (delta: 45.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.32ms. Allocated memory is still 62.9MB. Free memory was 42.6MB in the beginning and 37.4MB in the end (delta: 5.1MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.18ms. Allocated memory is still 62.9MB. Free memory was 37.4MB in the beginning and 34.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.57ms. Allocated memory is still 62.9MB. Free memory was 34.8MB in the beginning and 33.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 583.66ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 33.0MB in the beginning and 57.5MB in the end (delta: -24.4MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * TraceAbstraction took 426.14ms. Allocated memory is still 86.0MB. Free memory was 57.1MB in the beginning and 47.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:09:53,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable