./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product61.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_product61.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 f250833677b07ed1377ed852c7268af3b652ab26de7f7fe1fca27ae75baf167f --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:08:16,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:08:16,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:08:16,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:08:16,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:08:16,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:08:16,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:08:16,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:08:16,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:08:16,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:08:16,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:08:16,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:08:16,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:08:16,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:08:16,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:08:16,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:08:16,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:08:16,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:08:16,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:08:16,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:08:16,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:08:16,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:08:16,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:08:16,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:08:16,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:08:16,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:08:16,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:08:16,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:08:16,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:08:16,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:08:16,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:08:16,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:08:16,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:08:16,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:08:16,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:08:16,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:08:16,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:08:16,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:08:16,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:08:16,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:08:16,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:08:16,657 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:08:16,685 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:08:16,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:08:16,686 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:08:16,686 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:08:16,687 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:08:16,687 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:08:16,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:08:16,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:08:16,688 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:08:16,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:08:16,689 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:08:16,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:08:16,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:08:16,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:08:16,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:08:16,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:08:16,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:08:16,690 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:08:16,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:08:16,691 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:08:16,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:08:16,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:08:16,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:08:16,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:08:16,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:08:16,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:08:16,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:08:16,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:08:16,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:08:16,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:08:16,693 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:08:16,693 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:08:16,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:08:16,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:08:16,693 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f250833677b07ed1377ed852c7268af3b652ab26de7f7fe1fca27ae75baf167f [2021-12-15 11:08:16,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:08:16,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:08:16,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:08:16,955 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:08:16,955 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:08:16,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c [2021-12-15 11:08:17,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4922d759/af5478815d324772803890aa874d3615/FLAGe60d5cfb3 [2021-12-15 11:08:17,459 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:08:17,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c [2021-12-15 11:08:17,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4922d759/af5478815d324772803890aa874d3615/FLAGe60d5cfb3 [2021-12-15 11:08:17,486 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4922d759/af5478815d324772803890aa874d3615 [2021-12-15 11:08:17,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:08:17,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:08:17,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:08:17,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:08:17,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:08:17,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:08:17" (1/1) ... [2021-12-15 11:08:17,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577f6e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:17, skipping insertion in model container [2021-12-15 11:08:17,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:08:17" (1/1) ... [2021-12-15 11:08:17,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:08:17,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:08:17,737 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_product61.cil.c[3777,3790] [2021-12-15 11:08:17,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:08:17,833 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:08:17,870 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_product61.cil.c[3777,3790] [2021-12-15 11:08:17,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:08:17,946 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:08:17,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:17 WrapperNode [2021-12-15 11:08:17,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:08:17,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:08:17,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:08:17,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:08:17,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:17" (1/1) ... [2021-12-15 11:08:17,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:17" (1/1) ... [2021-12-15 11:08:18,006 INFO L137 Inliner]: procedures = 57, calls = 160, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 268 [2021-12-15 11:08:18,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:08:18,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:08:18,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:08:18,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:08:18,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:17" (1/1) ... [2021-12-15 11:08:18,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:17" (1/1) ... [2021-12-15 11:08:18,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:17" (1/1) ... [2021-12-15 11:08:18,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:17" (1/1) ... [2021-12-15 11:08:18,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:17" (1/1) ... [2021-12-15 11:08:18,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:17" (1/1) ... [2021-12-15 11:08:18,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:17" (1/1) ... [2021-12-15 11:08:18,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:08:18,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:08:18,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:08:18,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:08:18,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:17" (1/1) ... [2021-12-15 11:08:18,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:08:18,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:08:18,095 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 11:08:18,103 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 11:08:18,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:08:18,136 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-15 11:08:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-15 11:08:18,136 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-15 11:08:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-15 11:08:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-15 11:08:18,137 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-15 11:08:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-15 11:08:18,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-15 11:08:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-15 11:08:18,137 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-15 11:08:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-15 11:08:18,138 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-15 11:08:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-15 11:08:18,138 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-15 11:08:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-15 11:08:18,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-15 11:08:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-15 11:08:18,139 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-15 11:08:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:08:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-15 11:08:18,139 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-15 11:08:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:08:18,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:08:18,231 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:08:18,233 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:08:18,493 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:08:18,499 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:08:18,499 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 11:08:18,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:08:18 BoogieIcfgContainer [2021-12-15 11:08:18,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:08:18,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:08:18,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:08:18,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:08:18,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:08:17" (1/3) ... [2021-12-15 11:08:18,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff12c0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:08:18, skipping insertion in model container [2021-12-15 11:08:18,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:17" (2/3) ... [2021-12-15 11:08:18,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff12c0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:08:18, skipping insertion in model container [2021-12-15 11:08:18,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:08:18" (3/3) ... [2021-12-15 11:08:18,517 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61.cil.c [2021-12-15 11:08:18,521 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:08:18,522 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:08:18,559 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:08:18,565 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 11:08:18,566 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:08:18,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 88 states have internal predecessors, (107), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2021-12-15 11:08:18,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-15 11:08:18,592 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:08:18,592 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 11:08:18,593 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:08:18,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:08:18,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1854857434, now seen corresponding path program 1 times [2021-12-15 11:08:18,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:08:18,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976341655] [2021-12-15 11:08:18,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:08:18,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:08:18,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:08:18,650 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 11:08:18,657 INFO L158 Benchmark]: Toolchain (without parser) took 1165.83ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 54.5MB in the beginning and 41.6MB in the end (delta: 12.8MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2021-12-15 11:08:18,658 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 86.0MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:08:18,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.89ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 54.3MB in the beginning and 73.2MB in the end (delta: -18.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 11:08:18,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.14ms. Allocated memory is still 104.9MB. Free memory was 73.2MB in the beginning and 71.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 11:08:18,660 INFO L158 Benchmark]: Boogie Preprocessor took 56.91ms. Allocated memory is still 104.9MB. Free memory was 71.0MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 11:08:18,661 INFO L158 Benchmark]: RCFGBuilder took 436.99ms. Allocated memory is still 104.9MB. Free memory was 68.9MB in the beginning and 51.8MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 11:08:18,665 INFO L158 Benchmark]: TraceAbstraction took 151.35ms. Allocated memory is still 104.9MB. Free memory was 51.2MB in the beginning and 41.6MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 11:08:18,668 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 86.0MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.89ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 54.3MB in the beginning and 73.2MB in the end (delta: -18.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.14ms. Allocated memory is still 104.9MB. Free memory was 73.2MB in the beginning and 71.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.91ms. Allocated memory is still 104.9MB. Free memory was 71.0MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.99ms. Allocated memory is still 104.9MB. Free memory was 68.9MB in the beginning and 51.8MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 151.35ms. Allocated memory is still 104.9MB. Free memory was 51.2MB in the beginning and 41.6MB in the end (delta: 9.6MB). 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 11:08:18,697 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_product61.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 f250833677b07ed1377ed852c7268af3b652ab26de7f7fe1fca27ae75baf167f --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:08:20,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:08:20,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:08:20,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:08:20,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:08:20,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:08:20,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:08:20,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:08:20,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:08:20,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:08:20,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:08:20,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:08:20,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:08:20,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:08:20,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:08:20,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:08:20,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:08:20,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:08:20,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:08:20,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:08:20,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:08:20,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:08:20,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:08:20,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:08:20,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:08:20,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:08:20,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:08:20,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:08:20,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:08:20,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:08:20,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:08:20,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:08:20,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:08:20,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:08:20,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:08:20,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:08:20,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:08:20,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:08:20,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:08:20,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:08:20,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:08:20,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:08:20,746 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:08:20,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:08:20,748 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:08:20,748 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:08:20,749 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:08:20,749 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:08:20,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:08:20,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:08:20,751 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:08:20,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:08:20,752 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:08:20,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:08:20,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:08:20,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:08:20,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:08:20,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:08:20,753 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:08:20,753 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:08:20,753 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:08:20,753 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:08:20,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:08:20,754 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:08:20,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:08:20,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:08:20,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:08:20,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:08:20,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:08:20,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:08:20,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:08:20,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:08:20,761 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:08:20,761 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:08:20,762 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:08:20,762 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:08:20,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:08:20,762 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:08:20,762 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:08:20,763 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f250833677b07ed1377ed852c7268af3b652ab26de7f7fe1fca27ae75baf167f [2021-12-15 11:08:21,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:08:21,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:08:21,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:08:21,113 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:08:21,114 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:08:21,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c [2021-12-15 11:08:21,185 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26a34a89e/4bbb7a41deab4548937d1947ab07165b/FLAGa6a359188 [2021-12-15 11:08:21,687 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:08:21,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c [2021-12-15 11:08:21,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26a34a89e/4bbb7a41deab4548937d1947ab07165b/FLAGa6a359188 [2021-12-15 11:08:22,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26a34a89e/4bbb7a41deab4548937d1947ab07165b [2021-12-15 11:08:22,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:08:22,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:08:22,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:08:22,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:08:22,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:08:22,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:08:22" (1/1) ... [2021-12-15 11:08:22,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57958d62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:22, skipping insertion in model container [2021-12-15 11:08:22,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:08:22" (1/1) ... [2021-12-15 11:08:22,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:08:22,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:08:22,246 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_product61.cil.c[3777,3790] [2021-12-15 11:08:22,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:08:22,415 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:08:22,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:08:22,454 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_product61.cil.c[3777,3790] [2021-12-15 11:08:22,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:08:22,497 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:08:22,512 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_product61.cil.c[3777,3790] [2021-12-15 11:08:22,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:08:22,553 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:08:22,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:22 WrapperNode [2021-12-15 11:08:22,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:08:22,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:08:22,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:08:22,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:08:22,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:22" (1/1) ... [2021-12-15 11:08:22,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:22" (1/1) ... [2021-12-15 11:08:22,599 INFO L137 Inliner]: procedures = 59, calls = 160, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 255 [2021-12-15 11:08:22,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:08:22,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:08:22,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:08:22,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:08:22,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:22" (1/1) ... [2021-12-15 11:08:22,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:22" (1/1) ... [2021-12-15 11:08:22,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:22" (1/1) ... [2021-12-15 11:08:22,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:22" (1/1) ... [2021-12-15 11:08:22,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:22" (1/1) ... [2021-12-15 11:08:22,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:22" (1/1) ... [2021-12-15 11:08:22,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:22" (1/1) ... [2021-12-15 11:08:22,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:08:22,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:08:22,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:08:22,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:08:22,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:22" (1/1) ... [2021-12-15 11:08:22,663 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:08:22,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:08:22,683 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 11:08:22,706 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 11:08:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:08:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-15 11:08:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-15 11:08:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-15 11:08:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-15 11:08:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-15 11:08:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-15 11:08:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-15 11:08:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-15 11:08:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-15 11:08:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-15 11:08:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-15 11:08:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-15 11:08:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:08:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-15 11:08:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-15 11:08:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-15 11:08:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-15 11:08:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-15 11:08:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-15 11:08:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-15 11:08:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-15 11:08:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:08:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:08:22,821 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:08:22,824 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:08:23,136 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:08:23,142 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:08:23,142 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 11:08:23,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:08:23 BoogieIcfgContainer [2021-12-15 11:08:23,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:08:23,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:08:23,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:08:23,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:08:23,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:08:22" (1/3) ... [2021-12-15 11:08:23,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336035ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:08:23, skipping insertion in model container [2021-12-15 11:08:23,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:08:22" (2/3) ... [2021-12-15 11:08:23,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336035ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:08:23, skipping insertion in model container [2021-12-15 11:08:23,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:08:23" (3/3) ... [2021-12-15 11:08:23,151 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61.cil.c [2021-12-15 11:08:23,156 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:08:23,157 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:08:23,209 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:08:23,216 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 11:08:23,217 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:08:23,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 88 states have internal predecessors, (107), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2021-12-15 11:08:23,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-15 11:08:23,252 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:08:23,253 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 11:08:23,253 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:08:23,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:08:23,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1854857434, now seen corresponding path program 1 times [2021-12-15 11:08:23,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:08:23,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [344916502] [2021-12-15 11:08:23,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:08:23,273 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:08:23,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:08:23,279 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 11:08:23,316 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 11:08:23,340 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 11:08:23,540 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 11:08:23,541 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 11:08:23,545 INFO L158 Benchmark]: Toolchain (without parser) took 1515.96ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 26.5MB in the beginning and 29.5MB in the end (delta: -3.0MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2021-12-15 11:08:23,546 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 50.3MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 46.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:08:23,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.75ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 26.3MB in the beginning and 29.0MB in the end (delta: -2.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-12-15 11:08:23,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.07ms. Allocated memory is still 60.8MB. Free memory was 28.8MB in the beginning and 42.3MB in the end (delta: -13.6MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2021-12-15 11:08:23,548 INFO L158 Benchmark]: Boogie Preprocessor took 51.62ms. Allocated memory is still 60.8MB. Free memory was 42.3MB in the beginning and 40.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 11:08:23,554 INFO L158 Benchmark]: RCFGBuilder took 492.22ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 38.7MB in the end (delta: 1.8MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-12-15 11:08:23,554 INFO L158 Benchmark]: TraceAbstraction took 397.05ms. Allocated memory is still 60.8MB. Free memory was 38.2MB in the beginning and 29.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 11:08:23,557 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 50.3MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 46.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.75ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 26.3MB in the beginning and 29.0MB in the end (delta: -2.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.07ms. Allocated memory is still 60.8MB. Free memory was 28.8MB in the beginning and 42.3MB in the end (delta: -13.6MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.62ms. Allocated memory is still 60.8MB. Free memory was 42.3MB in the beginning and 40.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 492.22ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 38.7MB in the end (delta: 1.8MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * TraceAbstraction took 397.05ms. Allocated memory is still 60.8MB. Free memory was 38.2MB in the beginning and 29.5MB in the end (delta: 8.7MB). 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 11:08:23,587 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