./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_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_spec1_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 c6b9b08cafcd1ede2e2b3a8fb1be067350eaac45a7dc4fb4db0fb4cb0fdccd74 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:08:18,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:08:18,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:08:19,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:08:19,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:08:19,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:08:19,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:08:19,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:08:19,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:08:19,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:08:19,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:08:19,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:08:19,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:08:19,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:08:19,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:08:19,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:08:19,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:08:19,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:08:19,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:08:19,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:08:19,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:08:19,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:08:19,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:08:19,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:08:19,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:08:19,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:08:19,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:08:19,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:08:19,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:08:19,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:08:19,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:08:19,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:08:19,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:08:19,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:08:19,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:08:19,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:08:19,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:08:19,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:08:19,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:08:19,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:08:19,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:08:19,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:08:19,079 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:08:19,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:08:19,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:08:19,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:08:19,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:08:19,084 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:08:19,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:08:19,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:08:19,085 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:08:19,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:08:19,085 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:08:19,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:08:19,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:08:19,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:08:19,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:08:19,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:08:19,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:08:19,086 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:08:19,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:08:19,086 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:08:19,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:08:19,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:08:19,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:08:19,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:08:19,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:08:19,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:08:19,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:08:19,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:08:19,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:08:19,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:08:19,089 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:08:19,089 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:08:19,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:08:19,090 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:08:19,090 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6b9b08cafcd1ede2e2b3a8fb1be067350eaac45a7dc4fb4db0fb4cb0fdccd74 [2021-12-15 11:08:19,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:08:19,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:08:19,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:08:19,321 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:08:19,322 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:08:19,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c [2021-12-15 11:08:19,378 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/454f9a178/c74b03e6f8de4e89b92083921795c83c/FLAGbad540239 [2021-12-15 11:08:19,779 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:08:19,779 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c [2021-12-15 11:08:19,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/454f9a178/c74b03e6f8de4e89b92083921795c83c/FLAGbad540239 [2021-12-15 11:08:19,808 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/454f9a178/c74b03e6f8de4e89b92083921795c83c [2021-12-15 11:08:19,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:08:19,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:08:19,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:08:19,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:08:19,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:08:19,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:08:19" (1/1) ... [2021-12-15 11:08:19,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd16dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:19, skipping insertion in model container [2021-12-15 11:08:19,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:08:19" (1/1) ... [2021-12-15 11:08:19,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:08:19,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:08:19,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c[1605,1618] [2021-12-15 11:08:20,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:08:20,092 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:08:20,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c[1605,1618] [2021-12-15 11:08:20,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:08:20,205 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:08:20,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:20 WrapperNode [2021-12-15 11:08:20,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:08:20,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:08:20,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:08:20,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:08:20,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:20" (1/1) ... [2021-12-15 11:08:20,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:20" (1/1) ... [2021-12-15 11:08:20,260 INFO L137 Inliner]: procedures = 59, calls = 163, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 276 [2021-12-15 11:08:20,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:08:20,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:08:20,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:08:20,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:08:20,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:20" (1/1) ... [2021-12-15 11:08:20,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:20" (1/1) ... [2021-12-15 11:08:20,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:20" (1/1) ... [2021-12-15 11:08:20,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:20" (1/1) ... [2021-12-15 11:08:20,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:20" (1/1) ... [2021-12-15 11:08:20,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:20" (1/1) ... [2021-12-15 11:08:20,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:20" (1/1) ... [2021-12-15 11:08:20,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:08:20,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:08:20,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:08:20,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:08:20,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:20" (1/1) ... [2021-12-15 11:08:20,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:08:20,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:08:20,319 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 11:08:20,326 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 11:08:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:08:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-15 11:08:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-15 11:08:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-15 11:08:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-15 11:08:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-15 11:08:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-15 11:08:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-15 11:08:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-15 11:08:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-15 11:08:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-15 11:08:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-15 11:08:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-15 11:08:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-15 11:08:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-15 11:08:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-15 11:08:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-15 11:08:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-15 11:08:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-15 11:08:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:08:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-15 11:08:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-15 11:08:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:08:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:08:20,514 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:08:20,515 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:08:20,777 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:08:20,782 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:08:20,783 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 11:08:20,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:08:20 BoogieIcfgContainer [2021-12-15 11:08:20,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:08:20,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:08:20,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:08:20,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:08:20,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:08:19" (1/3) ... [2021-12-15 11:08:20,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cceecfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:08:20, skipping insertion in model container [2021-12-15 11:08:20,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:20" (2/3) ... [2021-12-15 11:08:20,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cceecfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:08:20, skipping insertion in model container [2021-12-15 11:08:20,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:08:20" (3/3) ... [2021-12-15 11:08:20,794 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product64.cil.c [2021-12-15 11:08:20,797 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:08:20,798 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:08:20,841 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:08:20,847 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 11:08:20,848 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:08:20,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 93 states have internal predecessors, (112), 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 11:08:20,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-15 11:08:20,879 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:08:20,879 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:08:20,880 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:08:20,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:08:20,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1906157068, now seen corresponding path program 1 times [2021-12-15 11:08:20,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:08:20,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931992516] [2021-12-15 11:08:20,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:08:20,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:08:20,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:08:20,940 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 11:08:20,945 INFO L158 Benchmark]: Toolchain (without parser) took 1131.81ms. Allocated memory is still 109.1MB. Free memory was 67.2MB in the beginning and 62.2MB in the end (delta: 5.0MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-12-15 11:08:20,945 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 109.1MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:08:20,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.21ms. Allocated memory is still 109.1MB. Free memory was 67.0MB in the beginning and 76.0MB in the end (delta: -9.1MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-12-15 11:08:20,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.24ms. Allocated memory is still 109.1MB. Free memory was 76.0MB in the beginning and 73.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 11:08:20,947 INFO L158 Benchmark]: Boogie Preprocessor took 28.98ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 71.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 11:08:20,948 INFO L158 Benchmark]: RCFGBuilder took 493.80ms. Allocated memory is still 109.1MB. Free memory was 71.9MB in the beginning and 72.3MB in the end (delta: -429.7kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:08:20,948 INFO L158 Benchmark]: TraceAbstraction took 157.79ms. Allocated memory is still 109.1MB. Free memory was 71.9MB in the beginning and 62.2MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 11:08:20,954 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 109.1MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.21ms. Allocated memory is still 109.1MB. Free memory was 67.0MB in the beginning and 76.0MB in the end (delta: -9.1MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.24ms. Allocated memory is still 109.1MB. Free memory was 76.0MB in the beginning and 73.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.98ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 71.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 493.80ms. Allocated memory is still 109.1MB. Free memory was 71.9MB in the beginning and 72.3MB in the end (delta: -429.7kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 157.79ms. Allocated memory is still 109.1MB. Free memory was 71.9MB in the beginning and 62.2MB in the end (delta: 9.7MB). 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 11:08:20,996 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 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_spec1_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 c6b9b08cafcd1ede2e2b3a8fb1be067350eaac45a7dc4fb4db0fb4cb0fdccd74 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:08:22,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:08:22,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:08:22,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:08:22,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:08:22,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:08:22,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:08:22,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:08:22,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:08:22,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:08:22,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:08:22,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:08:22,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:08:22,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:08:22,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:08:22,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:08:22,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:08:22,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:08:22,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:08:22,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:08:22,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:08:22,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:08:22,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:08:22,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:08:22,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:08:22,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:08:22,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:08:22,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:08:22,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:08:22,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:08:22,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:08:22,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:08:22,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:08:22,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:08:22,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:08:22,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:08:22,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:08:22,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:08:22,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:08:22,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:08:22,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:08:22,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:08:22,765 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:08:22,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:08:22,766 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:08:22,766 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:08:22,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:08:22,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:08:22,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:08:22,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:08:22,768 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:08:22,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:08:22,769 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:08:22,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:08:22,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:08:22,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:08:22,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:08:22,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:08:22,770 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:08:22,770 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:08:22,770 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:08:22,770 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:08:22,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:08:22,770 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:08:22,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:08:22,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:08:22,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:08:22,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:08:22,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:08:22,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:08:22,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:08:22,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:08:22,772 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:08:22,772 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:08:22,772 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:08:22,772 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:08:22,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:08:22,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:08:22,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:08:22,773 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6b9b08cafcd1ede2e2b3a8fb1be067350eaac45a7dc4fb4db0fb4cb0fdccd74 [2021-12-15 11:08:23,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:08:23,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:08:23,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:08:23,066 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:08:23,069 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:08:23,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c [2021-12-15 11:08:23,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d676b9dff/f06fc4b625f341bf95cdc96c5f2439e3/FLAG9fb6e3f84 [2021-12-15 11:08:23,494 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:08:23,495 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c [2021-12-15 11:08:23,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d676b9dff/f06fc4b625f341bf95cdc96c5f2439e3/FLAG9fb6e3f84 [2021-12-15 11:08:23,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d676b9dff/f06fc4b625f341bf95cdc96c5f2439e3 [2021-12-15 11:08:23,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:08:23,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:08:23,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:08:23,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:08:23,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:08:23,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:08:23" (1/1) ... [2021-12-15 11:08:23,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c15826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:23, skipping insertion in model container [2021-12-15 11:08:23,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:08:23" (1/1) ... [2021-12-15 11:08:23,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:08:23,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:08:24,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c[1605,1618] [2021-12-15 11:08:24,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:08:24,198 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:08:24,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:08:24,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c[1605,1618] [2021-12-15 11:08:24,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:08:24,258 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:08:24,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c[1605,1618] [2021-12-15 11:08:24,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:08:24,325 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:08:24,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:24 WrapperNode [2021-12-15 11:08:24,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:08:24,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:08:24,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:08:24,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:08:24,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:24" (1/1) ... [2021-12-15 11:08:24,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:24" (1/1) ... [2021-12-15 11:08:24,390 INFO L137 Inliner]: procedures = 61, calls = 163, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 263 [2021-12-15 11:08:24,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:08:24,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:08:24,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:08:24,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:08:24,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:24" (1/1) ... [2021-12-15 11:08:24,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:24" (1/1) ... [2021-12-15 11:08:24,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:24" (1/1) ... [2021-12-15 11:08:24,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:24" (1/1) ... [2021-12-15 11:08:24,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:24" (1/1) ... [2021-12-15 11:08:24,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:24" (1/1) ... [2021-12-15 11:08:24,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:24" (1/1) ... [2021-12-15 11:08:24,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:08:24,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:08:24,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:08:24,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:08:24,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:24" (1/1) ... [2021-12-15 11:08:24,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:08:24,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:08:24,469 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 11:08:24,473 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 11:08:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:08:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-15 11:08:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-15 11:08:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-15 11:08:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-15 11:08:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-15 11:08:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-15 11:08:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-15 11:08:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-15 11:08:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-15 11:08:24,498 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-15 11:08:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-15 11:08:24,498 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-15 11:08:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:08:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-15 11:08:24,498 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-15 11:08:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-15 11:08:24,498 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-15 11:08:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-15 11:08:24,499 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-15 11:08:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-15 11:08:24,499 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-15 11:08:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:08:24,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:08:24,583 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:08:24,596 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:08:24,847 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:08:24,853 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:08:24,853 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 11:08:24,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:08:24 BoogieIcfgContainer [2021-12-15 11:08:24,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:08:24,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:08:24,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:08:24,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:08:24,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:08:23" (1/3) ... [2021-12-15 11:08:24,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509fb901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:08:24, skipping insertion in model container [2021-12-15 11:08:24,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:24" (2/3) ... [2021-12-15 11:08:24,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509fb901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:08:24, skipping insertion in model container [2021-12-15 11:08:24,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:08:24" (3/3) ... [2021-12-15 11:08:24,862 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product64.cil.c [2021-12-15 11:08:24,865 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:08:24,865 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:08:24,898 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:08:24,903 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 11:08:24,904 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:08:24,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 93 states have internal predecessors, (112), 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 11:08:24,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-15 11:08:24,925 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:08:24,925 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:08:24,926 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:08:24,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:08:24,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1906157068, now seen corresponding path program 1 times [2021-12-15 11:08:24,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:08:24,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1011826143] [2021-12-15 11:08:24,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:08:24,941 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:08:24,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:08:24,943 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 11:08:24,948 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 11:08:24,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 11:08:25,179 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 11:08:25,180 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 11:08:25,184 INFO L158 Benchmark]: Toolchain (without parser) took 1308.46ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 42.8MB in the beginning and 52.5MB in the end (delta: -9.7MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-12-15 11:08:25,184 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory was 43.6MB in the beginning and 43.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:08:25,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.97ms. Allocated memory is still 62.9MB. Free memory was 42.5MB in the beginning and 29.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 11:08:25,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.44ms. Allocated memory is still 62.9MB. Free memory was 29.9MB in the beginning and 44.9MB in the end (delta: -15.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-12-15 11:08:25,185 INFO L158 Benchmark]: Boogie Preprocessor took 45.86ms. Allocated memory is still 62.9MB. Free memory was 44.9MB in the beginning and 43.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 11:08:25,186 INFO L158 Benchmark]: RCFGBuilder took 417.42ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 43.1MB in the beginning and 62.1MB in the end (delta: -19.0MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2021-12-15 11:08:25,186 INFO L158 Benchmark]: TraceAbstraction took 325.41ms. Allocated memory is still 81.8MB. Free memory was 61.6MB in the beginning and 52.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 11:08:25,189 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory was 43.6MB in the beginning and 43.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.97ms. Allocated memory is still 62.9MB. Free memory was 42.5MB in the beginning and 29.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.44ms. Allocated memory is still 62.9MB. Free memory was 29.9MB in the beginning and 44.9MB in the end (delta: -15.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.86ms. Allocated memory is still 62.9MB. Free memory was 44.9MB in the beginning and 43.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 417.42ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 43.1MB in the beginning and 62.1MB in the end (delta: -19.0MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * TraceAbstraction took 325.41ms. Allocated memory is still 81.8MB. Free memory was 61.6MB in the beginning and 52.5MB in the end (delta: 9.1MB). 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 11:08:25,218 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