./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_spec2_product29.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a52f3030559d2895f2e87e8df462d73474ae0a795c3864102f9df18ea4363ab3 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 00:59:01,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 00:59:01,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 00:59:01,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 00:59:01,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 00:59:01,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 00:59:01,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 00:59:01,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 00:59:01,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 00:59:01,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 00:59:01,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 00:59:01,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 00:59:01,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 00:59:01,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 00:59:01,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 00:59:01,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 00:59:01,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 00:59:01,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 00:59:01,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 00:59:01,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 00:59:01,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 00:59:01,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 00:59:01,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 00:59:01,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 00:59:01,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 00:59:01,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 00:59:01,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 00:59:01,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 00:59:01,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 00:59:01,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 00:59:01,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 00:59:01,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 00:59:01,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 00:59:01,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 00:59:01,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 00:59:01,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 00:59:01,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 00:59:01,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 00:59:01,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 00:59:01,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 00:59:01,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 00:59:01,667 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 00:59:01,687 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 00:59:01,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 00:59:01,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 00:59:01,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 00:59:01,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 00:59:01,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 00:59:01,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 00:59:01,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 00:59:01,689 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 00:59:01,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 00:59:01,690 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 00:59:01,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 00:59:01,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 00:59:01,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 00:59:01,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 00:59:01,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 00:59:01,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 00:59:01,691 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 00:59:01,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 00:59:01,691 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 00:59:01,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 00:59:01,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 00:59:01,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 00:59:01,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 00:59:01,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:59:01,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 00:59:01,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 00:59:01,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 00:59:01,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 00:59:01,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 00:59:01,693 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 00:59:01,693 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 00:59:01,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 00:59:01,694 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 00:59:01,694 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a52f3030559d2895f2e87e8df462d73474ae0a795c3864102f9df18ea4363ab3 [2021-12-16 00:59:01,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 00:59:01,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 00:59:01,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 00:59:01,928 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 00:59:01,928 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 00:59:01,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2021-12-16 00:59:01,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33067da81/d23f2031f7a14385987dde2713b7a566/FLAGfe4e5bc7a [2021-12-16 00:59:02,421 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 00:59:02,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2021-12-16 00:59:02,429 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33067da81/d23f2031f7a14385987dde2713b7a566/FLAGfe4e5bc7a [2021-12-16 00:59:02,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33067da81/d23f2031f7a14385987dde2713b7a566 [2021-12-16 00:59:02,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 00:59:02,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 00:59:02,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 00:59:02,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 00:59:02,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 00:59:02,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:59:02" (1/1) ... [2021-12-16 00:59:02,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1748b52e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:02, skipping insertion in model container [2021-12-16 00:59:02,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:59:02" (1/1) ... [2021-12-16 00:59:02,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 00:59:02,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 00:59:02,613 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_spec2_product29.cil.c[5259,5272] [2021-12-16 00:59:02,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:59:02,659 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 00:59:02,675 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_spec2_product29.cil.c[5259,5272] [2021-12-16 00:59:02,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:59:02,716 INFO L208 MainTranslator]: Completed translation [2021-12-16 00:59:02,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:02 WrapperNode [2021-12-16 00:59:02,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 00:59:02,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 00:59:02,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 00:59:02,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 00:59:02,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:02" (1/1) ... [2021-12-16 00:59:02,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:02" (1/1) ... [2021-12-16 00:59:02,769 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 230 [2021-12-16 00:59:02,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 00:59:02,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 00:59:02,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 00:59:02,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 00:59:02,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:02" (1/1) ... [2021-12-16 00:59:02,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:02" (1/1) ... [2021-12-16 00:59:02,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:02" (1/1) ... [2021-12-16 00:59:02,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:02" (1/1) ... [2021-12-16 00:59:02,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:02" (1/1) ... [2021-12-16 00:59:02,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:02" (1/1) ... [2021-12-16 00:59:02,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:02" (1/1) ... [2021-12-16 00:59:02,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 00:59:02,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 00:59:02,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 00:59:02,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 00:59:02,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:02" (1/1) ... [2021-12-16 00:59:02,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:59:02,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:59:02,850 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) [2021-12-16 00:59:02,852 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 [2021-12-16 00:59:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 00:59:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 00:59:02,876 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 00:59:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 00:59:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 00:59:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-16 00:59:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-16 00:59:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 00:59:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 00:59:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 00:59:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 00:59:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-16 00:59:02,878 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-16 00:59:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-16 00:59:02,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-16 00:59:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-16 00:59:02,878 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-16 00:59:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 00:59:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 00:59:02,878 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 00:59:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 00:59:02,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 00:59:02,951 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 00:59:02,953 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 00:59:03,217 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 00:59:03,222 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 00:59:03,222 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 00:59:03,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:03 BoogieIcfgContainer [2021-12-16 00:59:03,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 00:59:03,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 00:59:03,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 00:59:03,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 00:59:03,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:59:02" (1/3) ... [2021-12-16 00:59:03,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b6203a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:59:03, skipping insertion in model container [2021-12-16 00:59:03,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:02" (2/3) ... [2021-12-16 00:59:03,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b6203a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:59:03, skipping insertion in model container [2021-12-16 00:59:03,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:03" (3/3) ... [2021-12-16 00:59:03,238 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product29.cil.c [2021-12-16 00:59:03,241 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 00:59:03,242 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 00:59:03,275 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 00:59:03,279 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 [2021-12-16 00:59:03,280 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 00:59:03,291 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 67 states have (on average 1.373134328358209) internal successors, (92), 75 states have internal predecessors, (92), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-16 00:59:03,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-16 00:59:03,298 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:03,298 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:03,299 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:03,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:03,304 INFO L85 PathProgramCache]: Analyzing trace with hash -679009076, now seen corresponding path program 1 times [2021-12-16 00:59:03,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:03,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154315887] [2021-12-16 00:59:03,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:03,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:03,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-16 00:59:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:03,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:03,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:03,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154315887] [2021-12-16 00:59:03,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154315887] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:03,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:03,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 00:59:03,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753042026] [2021-12-16 00:59:03,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:03,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 00:59:03,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:03,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 00:59:03,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:59:03,572 INFO L87 Difference]: Start difference. First operand has 93 states, 67 states have (on average 1.373134328358209) internal successors, (92), 75 states have internal predecessors, (92), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:03,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:03,605 INFO L93 Difference]: Finished difference Result 177 states and 238 transitions. [2021-12-16 00:59:03,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 00:59:03,607 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-16 00:59:03,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:03,613 INFO L225 Difference]: With dead ends: 177 [2021-12-16 00:59:03,613 INFO L226 Difference]: Without dead ends: 84 [2021-12-16 00:59:03,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:59:03,618 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:03,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:03,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-12-16 00:59:03,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2021-12-16 00:59:03,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 60 states have (on average 1.3) internal successors, (78), 67 states have internal predecessors, (78), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-16 00:59:03,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 107 transitions. [2021-12-16 00:59:03,676 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 107 transitions. Word has length 25 [2021-12-16 00:59:03,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:03,676 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 107 transitions. [2021-12-16 00:59:03,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:03,677 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 107 transitions. [2021-12-16 00:59:03,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-16 00:59:03,679 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:03,680 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:03,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 00:59:03,681 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:03,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:03,682 INFO L85 PathProgramCache]: Analyzing trace with hash 2001962724, now seen corresponding path program 1 times [2021-12-16 00:59:03,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:03,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212877138] [2021-12-16 00:59:03,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:03,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:03,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-16 00:59:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:03,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:03,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:03,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212877138] [2021-12-16 00:59:03,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212877138] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:03,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:03,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:59:03,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706511737] [2021-12-16 00:59:03,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:03,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:59:03,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:03,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:59:03,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:03,739 INFO L87 Difference]: Start difference. First operand 84 states and 107 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:03,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:03,752 INFO L93 Difference]: Finished difference Result 133 states and 169 transitions. [2021-12-16 00:59:03,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:59:03,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-16 00:59:03,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:03,754 INFO L225 Difference]: With dead ends: 133 [2021-12-16 00:59:03,754 INFO L226 Difference]: Without dead ends: 75 [2021-12-16 00:59:03,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:03,755 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 12 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:03,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 172 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:03,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-12-16 00:59:03,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-12-16 00:59:03,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 61 states have internal predecessors, (71), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-16 00:59:03,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions. [2021-12-16 00:59:03,763 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 26 [2021-12-16 00:59:03,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:03,763 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 95 transitions. [2021-12-16 00:59:03,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:03,764 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions. [2021-12-16 00:59:03,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-16 00:59:03,764 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:03,765 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:03,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 00:59:03,765 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:03,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:03,766 INFO L85 PathProgramCache]: Analyzing trace with hash 758809768, now seen corresponding path program 1 times [2021-12-16 00:59:03,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:03,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266100216] [2021-12-16 00:59:03,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:03,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:03,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 00:59:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:03,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:03,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:03,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266100216] [2021-12-16 00:59:03,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266100216] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:03,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:03,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:03,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702705010] [2021-12-16 00:59:03,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:03,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:03,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:03,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:03,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:03,870 INFO L87 Difference]: Start difference. First operand 75 states and 95 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:03,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:03,997 INFO L93 Difference]: Finished difference Result 142 states and 183 transitions. [2021-12-16 00:59:03,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 00:59:03,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-12-16 00:59:03,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:04,001 INFO L225 Difference]: With dead ends: 142 [2021-12-16 00:59:04,001 INFO L226 Difference]: Without dead ends: 75 [2021-12-16 00:59:04,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 00:59:04,008 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 178 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:04,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 188 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:04,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-12-16 00:59:04,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-12-16 00:59:04,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 61 states have internal predecessors, (70), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-16 00:59:04,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 94 transitions. [2021-12-16 00:59:04,021 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 94 transitions. Word has length 30 [2021-12-16 00:59:04,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:04,022 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 94 transitions. [2021-12-16 00:59:04,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:04,022 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 94 transitions. [2021-12-16 00:59:04,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-12-16 00:59:04,026 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:04,026 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:04,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 00:59:04,027 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:04,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:04,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1665262919, now seen corresponding path program 1 times [2021-12-16 00:59:04,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:04,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068853465] [2021-12-16 00:59:04,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:04,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 00:59:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-16 00:59:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:04,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:04,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068853465] [2021-12-16 00:59:04,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068853465] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:04,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:04,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:59:04,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986369089] [2021-12-16 00:59:04,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:04,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:59:04,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:04,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:59:04,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:59:04,145 INFO L87 Difference]: Start difference. First operand 75 states and 94 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:04,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:04,382 INFO L93 Difference]: Finished difference Result 235 states and 301 transitions. [2021-12-16 00:59:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 00:59:04,383 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 40 [2021-12-16 00:59:04,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:04,388 INFO L225 Difference]: With dead ends: 235 [2021-12-16 00:59:04,388 INFO L226 Difference]: Without dead ends: 168 [2021-12-16 00:59:04,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-16 00:59:04,394 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 144 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:04,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 366 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 00:59:04,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-12-16 00:59:04,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 137. [2021-12-16 00:59:04,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 96 states have (on average 1.2916666666666667) internal successors, (124), 109 states have internal predecessors, (124), 24 states have call successors, (24), 16 states have call predecessors, (24), 16 states have return successors, (25), 16 states have call predecessors, (25), 24 states have call successors, (25) [2021-12-16 00:59:04,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-12-16 00:59:04,409 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 40 [2021-12-16 00:59:04,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:04,410 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-12-16 00:59:04,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:04,410 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-12-16 00:59:04,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-12-16 00:59:04,411 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:04,411 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:04,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 00:59:04,412 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:04,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:04,412 INFO L85 PathProgramCache]: Analyzing trace with hash 735618357, now seen corresponding path program 1 times [2021-12-16 00:59:04,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:04,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057792410] [2021-12-16 00:59:04,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:04,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:59:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 00:59:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 00:59:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 00:59:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:04,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:04,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:04,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057792410] [2021-12-16 00:59:04,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057792410] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:04,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:04,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:59:04,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444843690] [2021-12-16 00:59:04,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:04,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:59:04,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:04,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:59:04,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:59:04,496 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 00:59:04,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:04,590 INFO L93 Difference]: Finished difference Result 222 states and 282 transitions. [2021-12-16 00:59:04,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 00:59:04,590 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 44 [2021-12-16 00:59:04,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:04,591 INFO L225 Difference]: With dead ends: 222 [2021-12-16 00:59:04,591 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 00:59:04,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-16 00:59:04,592 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 71 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:04,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 138 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:04,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 00:59:04,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 00:59:04,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 00:59:04,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 00:59:04,594 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2021-12-16 00:59:04,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:04,595 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 00:59:04,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 00:59:04,595 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 00:59:04,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 00:59:04,597 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 00:59:04,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 00:59:04,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 00:59:05,005 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 171 178) the Hoare annotation is: true [2021-12-16 00:59:05,005 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 171 178) no Hoare annotation was computed. [2021-12-16 00:59:05,006 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 171 178) no Hoare annotation was computed. [2021-12-16 00:59:05,006 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 87 93) no Hoare annotation was computed. [2021-12-16 00:59:05,006 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 87 93) the Hoare annotation is: true [2021-12-16 00:59:05,006 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 534 545) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,006 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 534 545) no Hoare annotation was computed. [2021-12-16 00:59:05,006 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 534 545) no Hoare annotation was computed. [2021-12-16 00:59:05,006 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 333 362) no Hoare annotation was computed. [2021-12-16 00:59:05,006 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 333 362) the Hoare annotation is: true [2021-12-16 00:59:05,007 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2021-12-16 00:59:05,007 INFO L861 garLoopResultBuilder]: At program point L347-1(lines 347 351) the Hoare annotation is: true [2021-12-16 00:59:05,007 INFO L858 garLoopResultBuilder]: For program point L344(line 344) no Hoare annotation was computed. [2021-12-16 00:59:05,007 INFO L861 garLoopResultBuilder]: At program point L343-2(lines 343 357) the Hoare annotation is: true [2021-12-16 00:59:05,007 INFO L861 garLoopResultBuilder]: At program point L339(line 339) the Hoare annotation is: true [2021-12-16 00:59:05,007 INFO L858 garLoopResultBuilder]: For program point L339-1(line 339) no Hoare annotation was computed. [2021-12-16 00:59:05,007 INFO L861 garLoopResultBuilder]: At program point L358(lines 333 362) the Hoare annotation is: true [2021-12-16 00:59:05,007 INFO L858 garLoopResultBuilder]: For program point L354(line 354) no Hoare annotation was computed. [2021-12-16 00:59:05,007 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 546 554) the Hoare annotation is: true [2021-12-16 00:59:05,008 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 546 554) no Hoare annotation was computed. [2021-12-16 00:59:05,008 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 546 554) no Hoare annotation was computed. [2021-12-16 00:59:05,008 INFO L854 garLoopResultBuilder]: At program point L514-2(lines 510 521) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,008 INFO L854 garLoopResultBuilder]: At program point L448(line 448) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,008 INFO L858 garLoopResultBuilder]: For program point L448-1(line 448) no Hoare annotation was computed. [2021-12-16 00:59:05,008 INFO L854 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,008 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 63 86) no Hoare annotation was computed. [2021-12-16 00:59:05,008 INFO L854 garLoopResultBuilder]: At program point L131(line 131) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,009 INFO L854 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,009 INFO L858 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2021-12-16 00:59:05,009 INFO L854 garLoopResultBuilder]: At program point L140(line 140) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,009 INFO L854 garLoopResultBuilder]: At program point L140-1(lines 121 145) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,009 INFO L858 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2021-12-16 00:59:05,009 INFO L858 garLoopResultBuilder]: For program point L454(lines 454 464) no Hoare annotation was computed. [2021-12-16 00:59:05,009 INFO L858 garLoopResultBuilder]: For program point L450(lines 450 467) no Hoare annotation was computed. [2021-12-16 00:59:05,010 INFO L854 garLoopResultBuilder]: At program point L450-1(lines 442 470) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0)))) [2021-12-16 00:59:05,010 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 461) no Hoare annotation was computed. [2021-12-16 00:59:05,010 INFO L858 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2021-12-16 00:59:05,010 INFO L854 garLoopResultBuilder]: At program point L195(lines 190 198) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and (= |timeShift_isPumpRunning_#res#1| 0) (= ~pumpRunning~0 0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2021-12-16 00:59:05,010 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 66 85) no Hoare annotation was computed. [2021-12-16 00:59:05,010 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 137) no Hoare annotation was computed. [2021-12-16 00:59:05,010 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 142) no Hoare annotation was computed. [2021-12-16 00:59:05,010 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 63 86) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,011 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 63 86) no Hoare annotation was computed. [2021-12-16 00:59:05,011 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 327) no Hoare annotation was computed. [2021-12-16 00:59:05,011 INFO L854 garLoopResultBuilder]: At program point L328(lines 323 330) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,011 INFO L858 garLoopResultBuilder]: For program point L514(lines 514 518) no Hoare annotation was computed. [2021-12-16 00:59:05,011 INFO L858 garLoopResultBuilder]: For program point L419-2(lines 419 426) no Hoare annotation was computed. [2021-12-16 00:59:05,011 INFO L854 garLoopResultBuilder]: At program point L502(lines 497 505) the Hoare annotation is: (and (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,011 INFO L861 garLoopResultBuilder]: At program point L403(lines 395 405) the Hoare annotation is: true [2021-12-16 00:59:05,011 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 308) no Hoare annotation was computed. [2021-12-16 00:59:05,012 INFO L854 garLoopResultBuilder]: At program point L494(lines 490 496) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,012 INFO L854 garLoopResultBuilder]: At program point L304-2(lines 298 309) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~5#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,012 INFO L861 garLoopResultBuilder]: At program point L428(lines 409 431) the Hoare annotation is: true [2021-12-16 00:59:05,012 INFO L854 garLoopResultBuilder]: At program point L391(lines 387 393) the Hoare annotation is: (and (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~5#1|) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,012 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 294) no Hoare annotation was computed. [2021-12-16 00:59:05,012 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 00:59:05,012 INFO L858 garLoopResultBuilder]: For program point L288-1(lines 288 294) no Hoare annotation was computed. [2021-12-16 00:59:05,013 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 00:59:05,013 INFO L861 garLoopResultBuilder]: At program point L317(lines 258 321) the Hoare annotation is: true [2021-12-16 00:59:05,013 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 00:59:05,013 INFO L854 garLoopResultBuilder]: At program point L280(line 280) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~5#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,013 INFO L854 garLoopResultBuilder]: At program point L487(lines 483 489) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,013 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 00:59:05,013 INFO L854 garLoopResultBuilder]: At program point L314(lines 267 315) the Hoare annotation is: false [2021-12-16 00:59:05,013 INFO L858 garLoopResultBuilder]: For program point L269(lines 268 313) no Hoare annotation was computed. [2021-12-16 00:59:05,013 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 309) no Hoare annotation was computed. [2021-12-16 00:59:05,014 INFO L854 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~5#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,014 INFO L854 garLoopResultBuilder]: At program point L439(lines 434 441) the Hoare annotation is: (and (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~5#1|) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,014 INFO L854 garLoopResultBuilder]: At program point L311(lines 268 313) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~5#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,014 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 284) no Hoare annotation was computed. [2021-12-16 00:59:05,014 INFO L858 garLoopResultBuilder]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2021-12-16 00:59:05,014 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 274) no Hoare annotation was computed. [2021-12-16 00:59:05,014 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 426) no Hoare annotation was computed. [2021-12-16 00:59:05,015 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 522 533) no Hoare annotation was computed. [2021-12-16 00:59:05,015 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 522 533) no Hoare annotation was computed. [2021-12-16 00:59:05,015 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 522 533) the Hoare annotation is: true [2021-12-16 00:59:05,015 INFO L854 garLoopResultBuilder]: At program point L250(lines 235 253) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,015 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2021-12-16 00:59:05,015 INFO L858 garLoopResultBuilder]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2021-12-16 00:59:05,015 INFO L854 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,015 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 95 119) no Hoare annotation was computed. [2021-12-16 00:59:05,016 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 95 119) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2021-12-16 00:59:05,016 INFO L854 garLoopResultBuilder]: At program point L592(lines 587 595) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,016 INFO L854 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,016 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 95 119) no Hoare annotation was computed. [2021-12-16 00:59:05,016 INFO L854 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-12-16 00:59:05,016 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2021-12-16 00:59:05,016 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 116) no Hoare annotation was computed. [2021-12-16 00:59:05,016 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 179 189) the Hoare annotation is: true [2021-12-16 00:59:05,017 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 179 189) no Hoare annotation was computed. [2021-12-16 00:59:05,017 INFO L861 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: true [2021-12-16 00:59:05,017 INFO L858 garLoopResultBuilder]: For program point L184-1(line 184) no Hoare annotation was computed. [2021-12-16 00:59:05,017 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 179 189) no Hoare annotation was computed. [2021-12-16 00:59:05,019 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-16 00:59:05,020 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 00:59:05,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:59:05 BoogieIcfgContainer [2021-12-16 00:59:05,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 00:59:05,032 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 00:59:05,032 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 00:59:05,032 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 00:59:05,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:03" (3/4) ... [2021-12-16 00:59:05,034 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 00:59:05,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-16 00:59:05,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 00:59:05,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 00:59:05,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 00:59:05,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-16 00:59:05,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 00:59:05,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 00:59:05,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-16 00:59:05,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-16 00:59:05,044 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2021-12-16 00:59:05,044 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 00:59:05,044 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 00:59:05,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 00:59:05,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 00:59:05,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:59:05,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 00:59:05,059 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((systemActive == \result && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:59:05,060 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((systemActive == \result && systemActive == tmp) && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:59:05,060 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((systemActive == \result && systemActive == tmp) && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:59:05,060 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && systemActive == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 [2021-12-16 00:59:05,060 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-12-16 00:59:05,061 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(systemActive == 1)) || pumpRunning == 0 [2021-12-16 00:59:05,061 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(systemActive == 1)) || pumpRunning == 0) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || tmp == 0) [2021-12-16 00:59:05,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) [2021-12-16 00:59:05,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-12-16 00:59:05,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-12-16 00:59:05,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-12-16 00:59:05,075 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 00:59:05,075 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 00:59:05,076 INFO L158 Benchmark]: Toolchain (without parser) took 2632.49ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 68.3MB in the beginning and 76.5MB in the end (delta: -8.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-12-16 00:59:05,076 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory was 54.3MB in the beginning and 54.3MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 00:59:05,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.38ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 68.0MB in the beginning and 94.9MB in the end (delta: -26.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 00:59:05,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.14ms. Allocated memory is still 125.8MB. Free memory was 94.9MB in the beginning and 92.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:59:05,077 INFO L158 Benchmark]: Boogie Preprocessor took 42.49ms. Allocated memory is still 125.8MB. Free memory was 92.8MB in the beginning and 91.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 00:59:05,077 INFO L158 Benchmark]: RCFGBuilder took 410.62ms. Allocated memory is still 125.8MB. Free memory was 91.2MB in the beginning and 74.9MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-16 00:59:05,077 INFO L158 Benchmark]: TraceAbstraction took 1806.79ms. Allocated memory is still 125.8MB. Free memory was 74.4MB in the beginning and 82.7MB in the end (delta: -8.3MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2021-12-16 00:59:05,077 INFO L158 Benchmark]: Witness Printer took 43.28ms. Allocated memory is still 125.8MB. Free memory was 82.7MB in the beginning and 76.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 00:59:05,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory was 54.3MB in the beginning and 54.3MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.38ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 68.0MB in the beginning and 94.9MB in the end (delta: -26.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.14ms. Allocated memory is still 125.8MB. Free memory was 94.9MB in the beginning and 92.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.49ms. Allocated memory is still 125.8MB. Free memory was 92.8MB in the beginning and 91.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 410.62ms. Allocated memory is still 125.8MB. Free memory was 91.2MB in the beginning and 74.9MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1806.79ms. Allocated memory is still 125.8MB. Free memory was 74.4MB in the beginning and 82.7MB in the end (delta: -8.3MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * Witness Printer took 43.28ms. Allocated memory is still 125.8MB. Free memory was 82.7MB in the beginning and 76.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 327]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 418 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 405 mSDsluCounter, 980 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 556 mSDsCounter, 118 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 345 IncrementalHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 118 mSolverCounterUnsat, 424 mSDtfsCounter, 345 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=4, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 31 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 294 PreInvPairs, 316 NumberOfFragments, 368 HoareAnnotationTreeSize, 294 FomulaSimplifications, 74 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 732 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 335 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: ((systemActive == \result && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (((systemActive == \result && systemActive == tmp) && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(systemActive == 1)) || pumpRunning == 0) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) || tmp == 0) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((\result == 0 && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(systemActive == 1)) || pumpRunning == 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && systemActive == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (((systemActive == \result && systemActive == tmp) && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-12-16 00:59:05,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE