./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product11.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 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 13:13:45,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 13:13:45,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 13:13:45,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 13:13:45,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 13:13:45,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 13:13:45,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 13:13:45,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 13:13:45,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 13:13:45,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 13:13:45,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 13:13:45,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 13:13:45,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 13:13:45,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 13:13:45,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 13:13:45,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 13:13:45,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 13:13:45,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 13:13:45,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 13:13:45,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 13:13:45,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 13:13:45,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 13:13:45,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 13:13:45,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 13:13:45,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 13:13:45,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 13:13:45,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 13:13:45,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 13:13:45,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 13:13:45,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 13:13:45,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 13:13:45,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 13:13:45,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 13:13:45,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 13:13:45,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 13:13:45,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 13:13:45,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 13:13:45,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 13:13:45,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 13:13:45,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 13:13:45,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 13:13:45,902 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 13:13:45,919 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 13:13:45,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 13:13:45,920 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 13:13:45,920 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 13:13:45,921 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 13:13:45,921 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 13:13:45,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 13:13:45,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 13:13:45,922 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 13:13:45,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 13:13:45,922 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 13:13:45,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 13:13:45,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 13:13:45,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 13:13:45,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 13:13:45,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 13:13:45,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 13:13:45,924 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 13:13:45,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 13:13:45,924 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 13:13:45,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 13:13:45,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 13:13:45,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 13:13:45,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 13:13:45,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:13:45,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 13:13:45,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 13:13:45,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 13:13:45,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 13:13:45,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 13:13:45,926 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 13:13:45,927 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 13:13:45,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 13:13:45,927 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 13:13:45,927 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 [2021-12-21 13:13:46,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 13:13:46,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 13:13:46,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 13:13:46,135 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 13:13:46,135 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 13:13:46,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2021-12-21 13:13:46,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbf6c8726/1f69c9bb600c4b5eb1404261c7595611/FLAG90948d616 [2021-12-21 13:13:46,630 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 13:13:46,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2021-12-21 13:13:46,639 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbf6c8726/1f69c9bb600c4b5eb1404261c7595611/FLAG90948d616 [2021-12-21 13:13:46,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbf6c8726/1f69c9bb600c4b5eb1404261c7595611 [2021-12-21 13:13:46,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 13:13:46,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 13:13:46,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 13:13:46,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 13:13:46,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 13:13:46,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:13:46" (1/1) ... [2021-12-21 13:13:46,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d75498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:46, skipping insertion in model container [2021-12-21 13:13:46,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:13:46" (1/1) ... [2021-12-21 13:13:46,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 13:13:46,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 13:13:46,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[6038,6051] [2021-12-21 13:13:46,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:13:46,973 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 13:13:46,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[6038,6051] [2021-12-21 13:13:47,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:13:47,020 INFO L208 MainTranslator]: Completed translation [2021-12-21 13:13:47,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:47 WrapperNode [2021-12-21 13:13:47,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 13:13:47,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 13:13:47,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 13:13:47,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 13:13:47,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:47" (1/1) ... [2021-12-21 13:13:47,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:47" (1/1) ... [2021-12-21 13:13:47,057 INFO L137 Inliner]: procedures = 51, calls = 148, calls flagged for inlining = 20, calls inlined = 15, statements flattened = 187 [2021-12-21 13:13:47,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 13:13:47,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 13:13:47,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 13:13:47,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 13:13:47,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:47" (1/1) ... [2021-12-21 13:13:47,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:47" (1/1) ... [2021-12-21 13:13:47,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:47" (1/1) ... [2021-12-21 13:13:47,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:47" (1/1) ... [2021-12-21 13:13:47,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:47" (1/1) ... [2021-12-21 13:13:47,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:47" (1/1) ... [2021-12-21 13:13:47,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:47" (1/1) ... [2021-12-21 13:13:47,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 13:13:47,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 13:13:47,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 13:13:47,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 13:13:47,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:47" (1/1) ... [2021-12-21 13:13:47,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:13:47,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:13:47,120 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) [2021-12-21 13:13:47,127 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 [2021-12-21 13:13:47,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 13:13:47,149 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-21 13:13:47,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-21 13:13:47,149 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-21 13:13:47,149 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-21 13:13:47,149 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-21 13:13:47,149 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-21 13:13:47,149 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-21 13:13:47,150 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-21 13:13:47,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 13:13:47,150 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-21 13:13:47,150 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-21 13:13:47,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 13:13:47,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 13:13:47,190 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 13:13:47,191 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 13:13:47,438 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 13:13:47,443 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 13:13:47,443 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 13:13:47,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:13:47 BoogieIcfgContainer [2021-12-21 13:13:47,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 13:13:47,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 13:13:47,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 13:13:47,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 13:13:47,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 01:13:46" (1/3) ... [2021-12-21 13:13:47,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:13:47, skipping insertion in model container [2021-12-21 13:13:47,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:13:47" (2/3) ... [2021-12-21 13:13:47,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:13:47, skipping insertion in model container [2021-12-21 13:13:47,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:13:47" (3/3) ... [2021-12-21 13:13:47,452 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2021-12-21 13:13:47,456 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 13:13:47,456 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 13:13:47,493 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 13:13:47,498 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 [2021-12-21 13:13:47,498 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 13:13:47,513 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 56 states have internal predecessors, (72), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-21 13:13:47,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-21 13:13:47,517 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:13:47,518 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:13:47,518 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:13:47,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:13:47,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1989818001, now seen corresponding path program 1 times [2021-12-21 13:13:47,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:13:47,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102162108] [2021-12-21 13:13:47,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:13:47,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:13:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:47,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 13:13:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:47,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:13:47,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:13:47,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102162108] [2021-12-21 13:13:47,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102162108] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:13:47,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:13:47,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 13:13:47,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528707690] [2021-12-21 13:13:47,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:13:47,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 13:13:47,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:13:47,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 13:13:47,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 13:13:47,744 INFO L87 Difference]: Start difference. First operand has 66 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 56 states have internal predecessors, (72), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-12-21 13:13:47,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:13:47,770 INFO L93 Difference]: Finished difference Result 124 states and 167 transitions. [2021-12-21 13:13:47,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 13:13:47,772 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2021-12-21 13:13:47,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:13:47,780 INFO L225 Difference]: With dead ends: 124 [2021-12-21 13:13:47,780 INFO L226 Difference]: Without dead ends: 57 [2021-12-21 13:13:47,783 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 [2021-12-21 13:13:47,786 INFO L933 BasicCegarLoop]: 80 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, 80 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 [2021-12-21 13:13:47,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:13:47,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-12-21 13:13:47,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-12-21 13:13:47,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 45 states have (on average 1.288888888888889) internal successors, (58), 48 states have internal predecessors, (58), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-21 13:13:47,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2021-12-21 13:13:47,817 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 23 [2021-12-21 13:13:47,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:13:47,817 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2021-12-21 13:13:47,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-12-21 13:13:47,818 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2021-12-21 13:13:47,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-21 13:13:47,821 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:13:47,821 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] [2021-12-21 13:13:47,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 13:13:47,822 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:13:47,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:13:47,824 INFO L85 PathProgramCache]: Analyzing trace with hash 366452259, now seen corresponding path program 1 times [2021-12-21 13:13:47,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:13:47,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723429102] [2021-12-21 13:13:47,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:13:47,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:13:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:47,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-21 13:13:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:47,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:13:47,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:13:47,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723429102] [2021-12-21 13:13:47,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723429102] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:13:47,880 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:13:47,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:13:47,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458751701] [2021-12-21 13:13:47,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:13:47,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:13:47,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:13:47,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:13:47,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:13:47,882 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-12-21 13:13:47,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:13:47,904 INFO L93 Difference]: Finished difference Result 76 states and 93 transitions. [2021-12-21 13:13:47,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:13:47,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2021-12-21 13:13:47,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:13:47,905 INFO L225 Difference]: With dead ends: 76 [2021-12-21 13:13:47,906 INFO L226 Difference]: Without dead ends: 48 [2021-12-21 13:13:47,906 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 [2021-12-21 13:13:47,907 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 17 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 95 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 [2021-12-21 13:13:47,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 95 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:13:47,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-12-21 13:13:47,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2021-12-21 13:13:47,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 42 states have internal predecessors, (51), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-21 13:13:47,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2021-12-21 13:13:47,912 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 24 [2021-12-21 13:13:47,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:13:47,912 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2021-12-21 13:13:47,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-12-21 13:13:47,913 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2021-12-21 13:13:47,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-21 13:13:47,913 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:13:47,913 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] [2021-12-21 13:13:47,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 13:13:47,914 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:13:47,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:13:47,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1516817852, now seen corresponding path program 1 times [2021-12-21 13:13:47,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:13:47,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415447805] [2021-12-21 13:13:47,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:13:47,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:13:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:47,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 13:13:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:13:47,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:13:47,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415447805] [2021-12-21 13:13:47,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415447805] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:13:47,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:13:47,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:13:47,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141944133] [2021-12-21 13:13:47,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:13:47,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:13:47,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:13:47,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:13:47,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:13:47,993 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-12-21 13:13:48,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:13:48,063 INFO L93 Difference]: Finished difference Result 168 states and 215 transitions. [2021-12-21 13:13:48,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 13:13:48,064 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 28 [2021-12-21 13:13:48,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:13:48,070 INFO L225 Difference]: With dead ends: 168 [2021-12-21 13:13:48,070 INFO L226 Difference]: Without dead ends: 127 [2021-12-21 13:13:48,071 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 [2021-12-21 13:13:48,076 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 128 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:13:48,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 324 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:13:48,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-12-21 13:13:48,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 117. [2021-12-21 13:13:48,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 92 states have (on average 1.3478260869565217) internal successors, (124), 99 states have internal predecessors, (124), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2021-12-21 13:13:48,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 149 transitions. [2021-12-21 13:13:48,092 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 149 transitions. Word has length 28 [2021-12-21 13:13:48,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:13:48,092 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 149 transitions. [2021-12-21 13:13:48,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-12-21 13:13:48,093 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 149 transitions. [2021-12-21 13:13:48,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-21 13:13:48,093 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:13:48,093 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] [2021-12-21 13:13:48,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 13:13:48,094 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:13:48,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:13:48,094 INFO L85 PathProgramCache]: Analyzing trace with hash -871834641, now seen corresponding path program 1 times [2021-12-21 13:13:48,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:13:48,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434099193] [2021-12-21 13:13:48,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:13:48,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:13:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:48,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 13:13:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:13:48,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:13:48,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:13:48,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434099193] [2021-12-21 13:13:48,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434099193] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:13:48,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:13:48,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 13:13:48,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097079750] [2021-12-21 13:13:48,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:13:48,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 13:13:48,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:13:48,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 13:13:48,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 13:13:48,165 INFO L87 Difference]: Start difference. First operand 117 states and 149 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 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) [2021-12-21 13:13:48,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:13:48,196 INFO L93 Difference]: Finished difference Result 227 states and 294 transitions. [2021-12-21 13:13:48,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 13:13:48,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 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 29 [2021-12-21 13:13:48,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:13:48,198 INFO L225 Difference]: With dead ends: 227 [2021-12-21 13:13:48,198 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 13:13:48,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:13:48,199 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 36 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:13:48,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 142 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:13:48,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 13:13:48,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 13:13:48,201 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) [2021-12-21 13:13:48,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 13:13:48,201 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2021-12-21 13:13:48,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:13:48,201 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 13:13:48,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 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) [2021-12-21 13:13:48,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 13:13:48,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 13:13:48,204 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 13:13:48,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 13:13:48,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 13:13:48,392 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 440 451) the Hoare annotation is: true [2021-12-21 13:13:48,392 INFO L858 garLoopResultBuilder]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2021-12-21 13:13:48,393 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 440 451) no Hoare annotation was computed. [2021-12-21 13:13:48,393 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 452 460) the Hoare annotation is: true [2021-12-21 13:13:48,393 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 452 460) no Hoare annotation was computed. [2021-12-21 13:13:48,393 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 452 460) no Hoare annotation was computed. [2021-12-21 13:13:48,393 INFO L858 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2021-12-21 13:13:48,393 INFO L854 garLoopResultBuilder]: At program point L281(lines 276 284) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |timeShift_isPumpRunning_#res#1| 0)) [2021-12-21 13:13:48,394 INFO L854 garLoopResultBuilder]: At program point L409(lines 404 411) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-12-21 13:13:48,394 INFO L858 garLoopResultBuilder]: For program point L502(lines 502 515) no Hoare annotation was computed. [2021-12-21 13:13:48,394 INFO L861 garLoopResultBuilder]: At program point L502-1(lines 494 518) the Hoare annotation is: true [2021-12-21 13:13:48,394 INFO L861 garLoopResultBuilder]: At program point L500(line 500) the Hoare annotation is: true [2021-12-21 13:13:48,395 INFO L858 garLoopResultBuilder]: For program point L500-1(line 500) no Hoare annotation was computed. [2021-12-21 13:13:48,395 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2021-12-21 13:13:48,395 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 200 223) no Hoare annotation was computed. [2021-12-21 13:13:48,395 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2021-12-21 13:13:48,396 INFO L854 garLoopResultBuilder]: At program point L228(lines 224 230) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 0 ~systemActive~0))) [2021-12-21 13:13:48,396 INFO L854 garLoopResultBuilder]: At program point L420-2(lines 416 427) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-12-21 13:13:48,397 INFO L858 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2021-12-21 13:13:48,397 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 200 223) the Hoare annotation is: true [2021-12-21 13:13:48,398 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 203 222) no Hoare annotation was computed. [2021-12-21 13:13:48,400 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 200 223) no Hoare annotation was computed. [2021-12-21 13:13:48,400 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 408) no Hoare annotation was computed. [2021-12-21 13:13:48,400 INFO L861 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2021-12-21 13:13:48,400 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2021-12-21 13:13:48,401 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-12-21 13:13:48,401 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2021-12-21 13:13:48,401 INFO L861 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2021-12-21 13:13:48,401 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2021-12-21 13:13:48,401 INFO L858 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2021-12-21 13:13:48,409 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2021-12-21 13:13:48,409 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-21 13:13:48,409 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-12-21 13:13:48,409 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2021-12-21 13:13:48,409 INFO L854 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-12-21 13:13:48,410 INFO L854 garLoopResultBuilder]: At program point L176(lines 172 178) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-12-21 13:13:48,410 INFO L854 garLoopResultBuilder]: At program point L333(lines 321 335) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-21 13:13:48,411 INFO L854 garLoopResultBuilder]: At program point L395(lines 346 396) the Hoare annotation is: false [2021-12-21 13:13:48,411 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 331) no Hoare annotation was computed. [2021-12-21 13:13:48,411 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 331) no Hoare annotation was computed. [2021-12-21 13:13:48,411 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 13:13:48,412 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 389) no Hoare annotation was computed. [2021-12-21 13:13:48,412 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 13:13:48,412 INFO L854 garLoopResultBuilder]: At program point L383-2(lines 377 390) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-21 13:13:48,412 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 13:13:48,412 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 373) no Hoare annotation was computed. [2021-12-21 13:13:48,412 INFO L858 garLoopResultBuilder]: For program point L367-1(lines 367 373) no Hoare annotation was computed. [2021-12-21 13:13:48,414 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-12-21 13:13:48,414 INFO L858 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2021-12-21 13:13:48,414 INFO L854 garLoopResultBuilder]: At program point L169(lines 165 171) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-12-21 13:13:48,415 INFO L854 garLoopResultBuilder]: At program point L392(lines 347 394) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-21 13:13:48,415 INFO L854 garLoopResultBuilder]: At program point L359(line 359) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-21 13:13:48,415 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 13:13:48,415 INFO L861 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2021-12-21 13:13:48,415 INFO L861 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-12-21 13:13:48,415 INFO L858 garLoopResultBuilder]: For program point L348(lines 347 394) no Hoare annotation was computed. [2021-12-21 13:13:48,416 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 390) no Hoare annotation was computed. [2021-12-21 13:13:48,416 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-12-21 13:13:48,416 INFO L854 garLoopResultBuilder]: At program point L369(line 369) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-21 13:13:48,417 INFO L861 garLoopResultBuilder]: At program point L398(lines 337 402) the Hoare annotation is: true [2021-12-21 13:13:48,417 INFO L854 garLoopResultBuilder]: At program point L262(lines 257 264) the Hoare annotation is: false [2021-12-21 13:13:48,417 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2021-12-21 13:13:48,417 INFO L858 garLoopResultBuilder]: For program point L357-1(lines 357 363) no Hoare annotation was computed. [2021-12-21 13:13:48,417 INFO L858 garLoopResultBuilder]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2021-12-21 13:13:48,417 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 428 439) no Hoare annotation was computed. [2021-12-21 13:13:48,417 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 428 439) the Hoare annotation is: true [2021-12-21 13:13:48,419 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-21 13:13:48,420 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 13:13:48,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 01:13:48 BoogieIcfgContainer [2021-12-21 13:13:48,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 13:13:48,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 13:13:48,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 13:13:48,437 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 13:13:48,438 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:13:47" (3/4) ... [2021-12-21 13:13:48,439 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 13:13:48,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-21 13:13:48,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-21 13:13:48,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-21 13:13:48,444 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-21 13:13:48,444 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-21 13:13:48,449 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2021-12-21 13:13:48,449 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-21 13:13:48,450 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-21 13:13:48,450 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-21 13:13:48,450 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 13:13:48,450 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:13:48,450 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:13:48,464 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive [2021-12-21 13:13:48,464 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive [2021-12-21 13:13:48,465 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || \result == 0 [2021-12-21 13:13:48,479 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 13:13:48,481 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 13:13:48,482 INFO L158 Benchmark]: Toolchain (without parser) took 1821.94ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 82.9MB in the beginning and 87.2MB in the end (delta: -4.3MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2021-12-21 13:13:48,482 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 13:13:48,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.62ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 84.9MB in the end (delta: -2.2MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-12-21 13:13:48,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.37ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 82.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:13:48,484 INFO L158 Benchmark]: Boogie Preprocessor took 28.25ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 13:13:48,484 INFO L158 Benchmark]: RCFGBuilder took 357.71ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 66.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-21 13:13:48,484 INFO L158 Benchmark]: TraceAbstraction took 991.30ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 66.7MB in the beginning and 92.5MB in the end (delta: -25.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2021-12-21 13:13:48,484 INFO L158 Benchmark]: Witness Printer took 44.49ms. Allocated memory is still 155.2MB. Free memory was 92.5MB in the beginning and 87.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-21 13:13:48,488 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.62ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 84.9MB in the end (delta: -2.2MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.37ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 82.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.25ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 357.71ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 66.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 991.30ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 66.7MB in the beginning and 92.5MB in the end (delta: -25.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Witness Printer took 44.49ms. Allocated memory is still 155.2MB. Free memory was 92.5MB in the beginning and 87.2MB in the end (delta: 5.3MB). 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: 408]: 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 6 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 641 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 392 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 249 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 133 PreInvPairs, 169 NumberOfFragments, 113 HoareAnnotationTreeSize, 133 FomulaSimplifications, 42 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 458 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 198 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || \result == 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(0 == systemActive) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive RESULT: Ultimate proved your program to be correct! [2021-12-21 13:13:48,517 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