./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product29.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_spec5_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 ccaa7fbdcb9338da1f8fd3ccb37732a1f2165a762a28b1457475bd920e3cf3c3 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:10:48,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:10:48,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:10:48,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:10:48,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:10:48,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:10:48,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:10:48,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:10:48,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:10:48,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:10:48,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:10:48,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:10:48,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:10:48,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:10:48,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:10:48,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:10:48,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:10:48,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:10:48,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:10:48,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:10:48,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:10:48,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:10:48,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:10:48,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:10:48,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:10:48,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:10:48,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:10:48,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:10:48,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:10:48,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:10:48,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:10:48,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:10:48,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:10:48,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:10:48,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:10:48,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:10:48,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:10:48,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:10:48,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:10:48,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:10:48,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:10:48,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:10:48,941 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:10:48,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:10:48,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:10:48,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:10:48,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:10:48,944 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:10:48,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:10:48,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:10:48,944 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:10:48,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:10:48,946 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:10:48,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:10:48,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:10:48,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:10:48,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:10:48,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:10:48,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:10:48,947 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:10:48,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:10:48,947 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:10:48,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:10:48,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:10:48,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:10:48,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:10:48,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:10:48,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:10:48,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:10:48,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:10:48,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:10:48,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:10:48,950 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:10:48,951 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:10:48,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:10:48,951 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:10:48,951 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccaa7fbdcb9338da1f8fd3ccb37732a1f2165a762a28b1457475bd920e3cf3c3 [2021-12-15 11:10:49,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:10:49,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:10:49,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:10:49,206 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:10:49,207 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:10:49,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c [2021-12-15 11:10:49,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0485f3cf/b5f90e63008b4dc58c77f2752a962f19/FLAG8e8e550a0 [2021-12-15 11:10:49,731 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:10:49,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c [2021-12-15 11:10:49,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0485f3cf/b5f90e63008b4dc58c77f2752a962f19/FLAG8e8e550a0 [2021-12-15 11:10:50,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0485f3cf/b5f90e63008b4dc58c77f2752a962f19 [2021-12-15 11:10:50,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:10:50,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:10:50,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:10:50,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:10:50,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:10:50,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:10:50" (1/1) ... [2021-12-15 11:10:50,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ffe31b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:50, skipping insertion in model container [2021-12-15 11:10:50,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:10:50" (1/1) ... [2021-12-15 11:10:50,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:10:50,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:10:50,450 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_spec5_product29.cil.c[2141,2154] [2021-12-15 11:10:50,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:10:50,612 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:10:50,629 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_spec5_product29.cil.c[2141,2154] [2021-12-15 11:10:50,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:10:50,716 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:10:50,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:50 WrapperNode [2021-12-15 11:10:50,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:10:50,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:10:50,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:10:50,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:10:50,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:50" (1/1) ... [2021-12-15 11:10:50,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:50" (1/1) ... [2021-12-15 11:10:50,784 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 248 [2021-12-15 11:10:50,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:10:50,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:10:50,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:10:50,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:10:50,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:50" (1/1) ... [2021-12-15 11:10:50,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:50" (1/1) ... [2021-12-15 11:10:50,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:50" (1/1) ... [2021-12-15 11:10:50,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:50" (1/1) ... [2021-12-15 11:10:50,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:50" (1/1) ... [2021-12-15 11:10:50,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:50" (1/1) ... [2021-12-15 11:10:50,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:50" (1/1) ... [2021-12-15 11:10:50,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:10:50,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:10:50,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:10:50,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:10:50,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:50" (1/1) ... [2021-12-15 11:10:50,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:10:50,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:10:50,867 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 11:10:50,872 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 11:10:50,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:10:50,902 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-15 11:10:50,903 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-15 11:10:50,903 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-15 11:10:50,903 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-15 11:10:50,903 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-15 11:10:50,903 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-15 11:10:50,905 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-15 11:10:50,905 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-15 11:10:50,905 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-15 11:10:50,905 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-15 11:10:50,906 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-15 11:10:50,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-15 11:10:50,906 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-15 11:10:50,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-15 11:10:50,906 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-15 11:10:50,906 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-15 11:10:50,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:10:50,907 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-15 11:10:50,907 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-15 11:10:50,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:10:50,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:10:50,969 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:10:50,970 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:10:51,263 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:10:51,270 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:10:51,270 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 11:10:51,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:10:51 BoogieIcfgContainer [2021-12-15 11:10:51,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:10:51,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:10:51,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:10:51,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:10:51,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:10:50" (1/3) ... [2021-12-15 11:10:51,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b992f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:10:51, skipping insertion in model container [2021-12-15 11:10:51,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:50" (2/3) ... [2021-12-15 11:10:51,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b992f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:10:51, skipping insertion in model container [2021-12-15 11:10:51,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:10:51" (3/3) ... [2021-12-15 11:10:51,286 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product29.cil.c [2021-12-15 11:10:51,291 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:10:51,291 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:10:51,355 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:10:51,364 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 11:10:51,364 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:10:51,383 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 78 states have internal predecessors, (95), 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) [2021-12-15 11:10:51,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-15 11:10:51,392 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:10:51,392 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-12-15 11:10:51,393 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:10:51,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:10:51,397 INFO L85 PathProgramCache]: Analyzing trace with hash 162796435, now seen corresponding path program 1 times [2021-12-15 11:10:51,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:10:51,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948569663] [2021-12-15 11:10:51,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:10:51,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:10:51,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:10:51,461 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 11:10:51,466 INFO L158 Benchmark]: Toolchain (without parser) took 1211.20ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 46.1MB in the beginning and 59.8MB in the end (delta: -13.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:10:51,467 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 79.7MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:10:51,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.75ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 46.0MB in the beginning and 65.0MB in the end (delta: -19.0MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-12-15 11:10:51,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.39ms. Allocated memory is still 96.5MB. Free memory was 65.0MB in the beginning and 62.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 11:10:51,469 INFO L158 Benchmark]: Boogie Preprocessor took 26.68ms. Allocated memory is still 96.5MB. Free memory was 62.5MB in the beginning and 61.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 11:10:51,469 INFO L158 Benchmark]: RCFGBuilder took 458.95ms. Allocated memory is still 96.5MB. Free memory was 60.8MB in the beginning and 69.9MB in the end (delta: -9.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-12-15 11:10:51,470 INFO L158 Benchmark]: TraceAbstraction took 191.45ms. Allocated memory is still 96.5MB. Free memory was 69.1MB in the beginning and 59.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 11:10:51,472 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 79.7MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.75ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 46.0MB in the beginning and 65.0MB in the end (delta: -19.0MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.39ms. Allocated memory is still 96.5MB. Free memory was 65.0MB in the beginning and 62.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.68ms. Allocated memory is still 96.5MB. Free memory was 62.5MB in the beginning and 61.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 458.95ms. Allocated memory is still 96.5MB. Free memory was 60.8MB in the beginning and 69.9MB in the end (delta: -9.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * TraceAbstraction took 191.45ms. Allocated memory is still 96.5MB. Free memory was 69.1MB in the beginning and 59.8MB in the end (delta: 9.3MB). 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 11:10:51,503 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_spec5_product29.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 ccaa7fbdcb9338da1f8fd3ccb37732a1f2165a762a28b1457475bd920e3cf3c3 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:10:53,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:10:53,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:10:53,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:10:53,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:10:53,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:10:53,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:10:53,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:10:53,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:10:53,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:10:53,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:10:53,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:10:53,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:10:53,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:10:53,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:10:53,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:10:53,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:10:53,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:10:53,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:10:53,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:10:53,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:10:53,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:10:53,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:10:53,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:10:53,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:10:53,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:10:53,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:10:53,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:10:53,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:10:53,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:10:53,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:10:53,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:10:53,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:10:53,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:10:53,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:10:53,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:10:53,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:10:53,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:10:53,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:10:53,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:10:53,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:10:53,553 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:10:53,585 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:10:53,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:10:53,588 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:10:53,588 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:10:53,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:10:53,589 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:10:53,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:10:53,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:10:53,590 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:10:53,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:10:53,592 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:10:53,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:10:53,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:10:53,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:10:53,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:10:53,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:10:53,593 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:10:53,593 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:10:53,593 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:10:53,593 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:10:53,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:10:53,594 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:10:53,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:10:53,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:10:53,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:10:53,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:10:53,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:10:53,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:10:53,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:10:53,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:10:53,596 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:10:53,596 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:10:53,596 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:10:53,596 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:10:53,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:10:53,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:10:53,597 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:10:53,597 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccaa7fbdcb9338da1f8fd3ccb37732a1f2165a762a28b1457475bd920e3cf3c3 [2021-12-15 11:10:53,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:10:53,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:10:53,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:10:53,923 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:10:53,923 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:10:53,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c [2021-12-15 11:10:53,985 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d61eeeb6e/837c84fc5c5e4bfb9cf5ec85094eed5c/FLAG3a6c99a3d [2021-12-15 11:10:54,477 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:10:54,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c [2021-12-15 11:10:54,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d61eeeb6e/837c84fc5c5e4bfb9cf5ec85094eed5c/FLAG3a6c99a3d [2021-12-15 11:10:54,813 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d61eeeb6e/837c84fc5c5e4bfb9cf5ec85094eed5c [2021-12-15 11:10:54,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:10:54,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:10:54,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:10:54,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:10:54,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:10:54,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:10:54" (1/1) ... [2021-12-15 11:10:54,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10cae062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:54, skipping insertion in model container [2021-12-15 11:10:54,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:10:54" (1/1) ... [2021-12-15 11:10:54,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:10:54,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:10:55,006 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_spec5_product29.cil.c[2141,2154] [2021-12-15 11:10:55,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:10:55,130 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:10:55,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:10:55,149 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_spec5_product29.cil.c[2141,2154] [2021-12-15 11:10:55,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:10:55,237 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:10:55,250 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_spec5_product29.cil.c[2141,2154] [2021-12-15 11:10:55,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:10:55,328 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:10:55,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:55 WrapperNode [2021-12-15 11:10:55,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:10:55,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:10:55,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:10:55,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:10:55,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:55" (1/1) ... [2021-12-15 11:10:55,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:55" (1/1) ... [2021-12-15 11:10:55,386 INFO L137 Inliner]: procedures = 58, calls = 158, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 236 [2021-12-15 11:10:55,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:10:55,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:10:55,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:10:55,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:10:55,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:55" (1/1) ... [2021-12-15 11:10:55,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:55" (1/1) ... [2021-12-15 11:10:55,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:55" (1/1) ... [2021-12-15 11:10:55,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:55" (1/1) ... [2021-12-15 11:10:55,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:55" (1/1) ... [2021-12-15 11:10:55,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:55" (1/1) ... [2021-12-15 11:10:55,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:55" (1/1) ... [2021-12-15 11:10:55,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:10:55,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:10:55,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:10:55,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:10:55,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:55" (1/1) ... [2021-12-15 11:10:55,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:10:55,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:10:55,445 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 11:10:55,465 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 11:10:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:10:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-15 11:10:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-15 11:10:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-15 11:10:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-15 11:10:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-15 11:10:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-15 11:10:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-15 11:10:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-15 11:10:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:10:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-15 11:10:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-15 11:10:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-15 11:10:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-15 11:10:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-15 11:10:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-15 11:10:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-15 11:10:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-15 11:10:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-15 11:10:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-15 11:10:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:10:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:10:55,560 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:10:55,562 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:10:55,851 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:10:55,857 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:10:55,857 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 11:10:55,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:10:55 BoogieIcfgContainer [2021-12-15 11:10:55,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:10:55,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:10:55,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:10:55,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:10:55,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:10:54" (1/3) ... [2021-12-15 11:10:55,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1887a90a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:10:55, skipping insertion in model container [2021-12-15 11:10:55,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:10:55" (2/3) ... [2021-12-15 11:10:55,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1887a90a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:10:55, skipping insertion in model container [2021-12-15 11:10:55,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:10:55" (3/3) ... [2021-12-15 11:10:55,866 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product29.cil.c [2021-12-15 11:10:55,870 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:10:55,871 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:10:55,920 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:10:55,929 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 11:10:55,930 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:10:55,966 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 78 states have internal predecessors, (95), 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) [2021-12-15 11:10:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-15 11:10:55,976 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:10:55,977 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-12-15 11:10:55,978 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:10:55,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:10:55,984 INFO L85 PathProgramCache]: Analyzing trace with hash 162796435, now seen corresponding path program 1 times [2021-12-15 11:10:55,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:10:55,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1840296454] [2021-12-15 11:10:55,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:10:55,998 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:10:55,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:10:56,005 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 11:10:56,006 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 11:10:56,070 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 11:10:56,264 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 11:10:56,265 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 11:10:56,270 INFO L158 Benchmark]: Toolchain (without parser) took 1451.12ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 30.7MB in the beginning and 38.3MB in the end (delta: -7.6MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2021-12-15 11:10:56,271 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 34.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:10:56,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.14ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 30.4MB in the beginning and 37.0MB in the end (delta: -6.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-12-15 11:10:56,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.41ms. Allocated memory is still 69.2MB. Free memory was 52.5MB in the beginning and 50.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 11:10:56,272 INFO L158 Benchmark]: Boogie Preprocessor took 27.34ms. Allocated memory is still 69.2MB. Free memory was 50.2MB in the beginning and 48.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:10:56,273 INFO L158 Benchmark]: RCFGBuilder took 442.47ms. Allocated memory is still 69.2MB. Free memory was 48.5MB in the beginning and 47.6MB in the end (delta: 909.9kB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-12-15 11:10:56,273 INFO L158 Benchmark]: TraceAbstraction took 408.38ms. Allocated memory is still 69.2MB. Free memory was 47.1MB in the beginning and 38.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 11:10:56,280 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 54.5MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 34.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.14ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 30.4MB in the beginning and 37.0MB in the end (delta: -6.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.41ms. Allocated memory is still 69.2MB. Free memory was 52.5MB in the beginning and 50.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.34ms. Allocated memory is still 69.2MB. Free memory was 50.2MB in the beginning and 48.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 442.47ms. Allocated memory is still 69.2MB. Free memory was 48.5MB in the beginning and 47.6MB in the end (delta: 909.9kB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * TraceAbstraction took 408.38ms. Allocated memory is still 69.2MB. Free memory was 47.1MB in the beginning and 38.3MB in the end (delta: 8.8MB). 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 11:10:56,327 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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable