./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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_product06.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 fd1c1c796b8250cbf231dbc704ae45a744144aa0430ce583780a644c1bb59bd9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 11:35:50,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 11:35:50,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 11:35:50,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 11:35:50,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 11:35:50,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 11:35:50,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 11:35:50,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 11:35:50,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 11:35:50,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 11:35:50,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 11:35:50,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 11:35:50,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 11:35:50,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 11:35:50,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 11:35:50,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 11:35:50,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 11:35:50,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 11:35:50,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 11:35:50,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 11:35:50,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 11:35:50,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 11:35:50,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 11:35:50,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 11:35:50,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 11:35:50,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 11:35:50,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 11:35:50,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 11:35:50,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 11:35:50,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 11:35:50,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 11:35:50,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 11:35:50,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 11:35:50,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 11:35:50,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 11:35:50,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 11:35:50,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 11:35:50,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 11:35:50,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 11:35:50,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 11:35:50,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 11:35:50,653 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 11:35:50,672 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 11:35:50,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 11:35:50,673 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 11:35:50,673 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 11:35:50,674 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 11:35:50,674 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 11:35:50,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 11:35:50,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 11:35:50,675 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 11:35:50,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 11:35:50,676 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 11:35:50,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 11:35:50,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 11:35:50,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 11:35:50,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 11:35:50,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 11:35:50,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 11:35:50,677 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 11:35:50,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 11:35:50,678 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 11:35:50,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 11:35:50,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 11:35:50,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 11:35:50,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 11:35:50,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 11:35:50,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 11:35:50,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 11:35:50,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 11:35:50,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 11:35:50,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 11:35:50,680 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 11:35:50,680 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 11:35:50,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 11:35:50,680 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 11:35:50,681 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd1c1c796b8250cbf231dbc704ae45a744144aa0430ce583780a644c1bb59bd9 [2021-12-22 11:35:50,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 11:35:50,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 11:35:50,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 11:35:50,895 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 11:35:50,896 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 11:35:50,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2021-12-22 11:35:50,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ce1ade1b/63745eda03c74d53af59baf3481da476/FLAGa57abf8d3 [2021-12-22 11:35:51,281 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 11:35:51,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2021-12-22 11:35:51,303 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ce1ade1b/63745eda03c74d53af59baf3481da476/FLAGa57abf8d3 [2021-12-22 11:35:51,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ce1ade1b/63745eda03c74d53af59baf3481da476 [2021-12-22 11:35:51,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 11:35:51,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 11:35:51,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 11:35:51,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 11:35:51,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 11:35:51,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:35:51" (1/1) ... [2021-12-22 11:35:51,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8323165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:35:51, skipping insertion in model container [2021-12-22 11:35:51,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:35:51" (1/1) ... [2021-12-22 11:35:51,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 11:35:51,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 11:35:51,911 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_product06.cil.c[16447,16460] [2021-12-22 11:35:51,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 11:35:51,924 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 11:35:51,964 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_product06.cil.c[16447,16460] [2021-12-22 11:35:51,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 11:35:51,985 INFO L208 MainTranslator]: Completed translation [2021-12-22 11:35:51,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:35:51 WrapperNode [2021-12-22 11:35:51,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 11:35:51,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 11:35:51,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 11:35:51,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 11:35:51,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:35:51" (1/1) ... [2021-12-22 11:35:52,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:35:51" (1/1) ... [2021-12-22 11:35:52,019 INFO L137 Inliner]: procedures = 52, calls = 150, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 212 [2021-12-22 11:35:52,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 11:35:52,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 11:35:52,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 11:35:52,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 11:35:52,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:35:51" (1/1) ... [2021-12-22 11:35:52,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:35:51" (1/1) ... [2021-12-22 11:35:52,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:35:51" (1/1) ... [2021-12-22 11:35:52,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:35:51" (1/1) ... [2021-12-22 11:35:52,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:35:51" (1/1) ... [2021-12-22 11:35:52,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:35:51" (1/1) ... [2021-12-22 11:35:52,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:35:51" (1/1) ... [2021-12-22 11:35:52,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 11:35:52,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 11:35:52,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 11:35:52,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 11:35:52,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:35:51" (1/1) ... [2021-12-22 11:35:52,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 11:35:52,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 11:35:52,089 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) [2021-12-22 11:35:52,102 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 [2021-12-22 11:35:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 11:35:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-22 11:35:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-22 11:35:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-22 11:35:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-22 11:35:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-22 11:35:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-22 11:35:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-22 11:35:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-22 11:35:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-22 11:35:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-22 11:35:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 11:35:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-22 11:35:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-22 11:35:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 11:35:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 11:35:52,185 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 11:35:52,186 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 11:35:52,381 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 11:35:52,387 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 11:35:52,387 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-22 11:35:52,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:35:52 BoogieIcfgContainer [2021-12-22 11:35:52,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 11:35:52,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 11:35:52,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 11:35:52,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 11:35:52,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 11:35:51" (1/3) ... [2021-12-22 11:35:52,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b83df7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:35:52, skipping insertion in model container [2021-12-22 11:35:52,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:35:51" (2/3) ... [2021-12-22 11:35:52,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b83df7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:35:52, skipping insertion in model container [2021-12-22 11:35:52,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:35:52" (3/3) ... [2021-12-22 11:35:52,400 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product06.cil.c [2021-12-22 11:35:52,403 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 11:35:52,403 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 11:35:52,443 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 11:35:52,449 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 [2021-12-22 11:35:52,450 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 11:35:52,467 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 63 states have internal predecessors, (79), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-22 11:35:52,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-22 11:35:52,472 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:35:52,473 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] [2021-12-22 11:35:52,474 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:35:52,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:35:52,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1228428455, now seen corresponding path program 1 times [2021-12-22 11:35:52,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:35:52,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942373290] [2021-12-22 11:35:52,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:35:52,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:35:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:35:52,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 11:35:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:35:52,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 11:35:52,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:35:52,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942373290] [2021-12-22 11:35:52,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942373290] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 11:35:52,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 11:35:52,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 11:35:52,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774011200] [2021-12-22 11:35:52,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 11:35:52,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-22 11:35:52,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:35:52,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-22 11:35:52,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-22 11:35:52,735 INFO L87 Difference]: Start difference. First operand has 75 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 63 states have internal predecessors, (79), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) 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) [2021-12-22 11:35:52,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:35:52,768 INFO L93 Difference]: Finished difference Result 141 states and 192 transitions. [2021-12-22 11:35:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-22 11:35:52,770 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 [2021-12-22 11:35:52,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:35:52,779 INFO L225 Difference]: With dead ends: 141 [2021-12-22 11:35:52,779 INFO L226 Difference]: Without dead ends: 66 [2021-12-22 11:35:52,783 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 [2021-12-22 11:35:52,786 INFO L933 BasicCegarLoop]: 93 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, 93 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 [2021-12-22 11:35:52,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 11:35:52,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-12-22 11:35:52,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2021-12-22 11:35:52,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 50 states have (on average 1.3) internal successors, (65), 55 states have internal predecessors, (65), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-22 11:35:52,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 84 transitions. [2021-12-22 11:35:52,833 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 84 transitions. Word has length 25 [2021-12-22 11:35:52,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:35:52,834 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 84 transitions. [2021-12-22 11:35:52,834 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) [2021-12-22 11:35:52,834 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2021-12-22 11:35:52,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-22 11:35:52,838 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:35:52,838 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] [2021-12-22 11:35:52,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 11:35:52,839 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:35:52,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:35:52,841 INFO L85 PathProgramCache]: Analyzing trace with hash -354547234, now seen corresponding path program 1 times [2021-12-22 11:35:52,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:35:52,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671277535] [2021-12-22 11:35:52,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:35:52,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:35:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:35:52,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 11:35:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:35:52,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 11:35:52,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:35:52,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671277535] [2021-12-22 11:35:52,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671277535] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 11:35:52,912 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 11:35:52,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 11:35:52,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961370544] [2021-12-22 11:35:52,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 11:35:52,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 11:35:52,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:35:52,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 11:35:52,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 11:35:52,914 INFO L87 Difference]: Start difference. First operand 66 states and 84 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) [2021-12-22 11:35:52,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:35:52,927 INFO L93 Difference]: Finished difference Result 96 states and 122 transitions. [2021-12-22 11:35:52,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 11:35:52,928 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 [2021-12-22 11:35:52,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:35:52,932 INFO L225 Difference]: With dead ends: 96 [2021-12-22 11:35:52,933 INFO L226 Difference]: Without dead ends: 57 [2021-12-22 11:35:52,934 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 [2021-12-22 11:35:52,936 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 13 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 125 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 [2021-12-22 11:35:52,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 125 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 11:35:52,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-12-22 11:35:52,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-12-22 11:35:52,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 49 states have internal predecessors, (58), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-22 11:35:52,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2021-12-22 11:35:52,948 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 26 [2021-12-22 11:35:52,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:35:52,949 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2021-12-22 11:35:52,949 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) [2021-12-22 11:35:52,950 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2021-12-22 11:35:52,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-22 11:35:52,951 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:35:52,951 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] [2021-12-22 11:35:52,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 11:35:52,951 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:35:52,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:35:52,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1280664589, now seen corresponding path program 1 times [2021-12-22 11:35:52,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:35:52,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546555856] [2021-12-22 11:35:52,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:35:52,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:35:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:35:53,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 11:35:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:35:53,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 11:35:53,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:35:53,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546555856] [2021-12-22 11:35:53,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546555856] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 11:35:53,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 11:35:53,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 11:35:53,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772656424] [2021-12-22 11:35:53,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 11:35:53,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 11:35:53,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:35:53,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 11:35:53,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 11:35:53,019 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-12-22 11:35:53,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:35:53,107 INFO L93 Difference]: Finished difference Result 106 states and 137 transitions. [2021-12-22 11:35:53,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 11:35:53,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 31 [2021-12-22 11:35:53,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:35:53,109 INFO L225 Difference]: With dead ends: 106 [2021-12-22 11:35:53,109 INFO L226 Difference]: Without dead ends: 57 [2021-12-22 11:35:53,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-22 11:35:53,111 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 99 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 11:35:53,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 161 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 11:35:53,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-12-22 11:35:53,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-12-22 11:35:53,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 49 states have internal predecessors, (57), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-22 11:35:53,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2021-12-22 11:35:53,123 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 31 [2021-12-22 11:35:53,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:35:53,124 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2021-12-22 11:35:53,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-12-22 11:35:53,124 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2021-12-22 11:35:53,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-22 11:35:53,128 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:35:53,128 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] [2021-12-22 11:35:53,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 11:35:53,128 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:35:53,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:35:53,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1858493100, now seen corresponding path program 1 times [2021-12-22 11:35:53,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:35:53,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656278644] [2021-12-22 11:35:53,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:35:53,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:35:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:35:53,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 11:35:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:35:53,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 11:35:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:35:53,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 11:35:53,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:35:53,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656278644] [2021-12-22 11:35:53,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656278644] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 11:35:53,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 11:35:53,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 11:35:53,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276122846] [2021-12-22 11:35:53,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 11:35:53,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 11:35:53,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:35:53,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 11:35:53,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 11:35:53,207 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-22 11:35:53,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:35:53,233 INFO L93 Difference]: Finished difference Result 98 states and 123 transitions. [2021-12-22 11:35:53,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 11:35:53,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2021-12-22 11:35:53,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:35:53,234 INFO L225 Difference]: With dead ends: 98 [2021-12-22 11:35:53,234 INFO L226 Difference]: Without dead ends: 0 [2021-12-22 11:35:53,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-22 11:35:53,235 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 34 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 148 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 [2021-12-22 11:35:53,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 148 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 11:35:53,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-22 11:35:53,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-22 11:35:53,237 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) [2021-12-22 11:35:53,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 11:35:53,237 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-12-22 11:35:53,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:35:53,237 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 11:35:53,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-22 11:35:53,238 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-22 11:35:53,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-22 11:35:53,240 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-22 11:35:53,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 11:35:53,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-22 11:35:53,454 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 195 201) no Hoare annotation was computed. [2021-12-22 11:35:53,454 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 195 201) the Hoare annotation is: true [2021-12-22 11:35:53,455 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 336 347) the Hoare annotation is: true [2021-12-22 11:35:53,455 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 336 347) no Hoare annotation was computed. [2021-12-22 11:35:53,455 INFO L858 garLoopResultBuilder]: For program point L340-1(lines 336 347) no Hoare annotation was computed. [2021-12-22 11:35:53,455 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 348 356) the Hoare annotation is: true [2021-12-22 11:35:53,455 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 348 356) no Hoare annotation was computed. [2021-12-22 11:35:53,455 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 348 356) no Hoare annotation was computed. [2021-12-22 11:35:53,455 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 806 835) no Hoare annotation was computed. [2021-12-22 11:35:53,456 INFO L861 garLoopResultBuilder]: At program point L831(lines 806 835) the Hoare annotation is: true [2021-12-22 11:35:53,456 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 806 835) the Hoare annotation is: true [2021-12-22 11:35:53,456 INFO L858 garLoopResultBuilder]: For program point L827(line 827) no Hoare annotation was computed. [2021-12-22 11:35:53,456 INFO L858 garLoopResultBuilder]: For program point L820(lines 820 824) no Hoare annotation was computed. [2021-12-22 11:35:53,456 INFO L861 garLoopResultBuilder]: At program point L820-1(lines 820 824) the Hoare annotation is: true [2021-12-22 11:35:53,456 INFO L858 garLoopResultBuilder]: For program point L817(line 817) no Hoare annotation was computed. [2021-12-22 11:35:53,456 INFO L861 garLoopResultBuilder]: At program point L816-2(lines 816 830) the Hoare annotation is: true [2021-12-22 11:35:53,457 INFO L861 garLoopResultBuilder]: At program point L812(line 812) the Hoare annotation is: true [2021-12-22 11:35:53,457 INFO L858 garLoopResultBuilder]: For program point L812-1(line 812) no Hoare annotation was computed. [2021-12-22 11:35:53,457 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2021-12-22 11:35:53,457 INFO L854 garLoopResultBuilder]: At program point L316-2(lines 312 323) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-22 11:35:53,457 INFO L854 garLoopResultBuilder]: At program point L217(line 217) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-22 11:35:53,457 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 171 194) no Hoare annotation was computed. [2021-12-22 11:35:53,457 INFO L858 garLoopResultBuilder]: For program point L800(line 800) no Hoare annotation was computed. [2021-12-22 11:35:53,458 INFO L854 garLoopResultBuilder]: At program point L222(line 222) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-22 11:35:53,458 INFO L854 garLoopResultBuilder]: At program point L222-1(lines 203 227) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-22 11:35:53,458 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 422) no Hoare annotation was computed. [2021-12-22 11:35:53,458 INFO L854 garLoopResultBuilder]: At program point L251(lines 244 254) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-22 11:35:53,458 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 425) no Hoare annotation was computed. [2021-12-22 11:35:53,458 INFO L854 garLoopResultBuilder]: At program point L408-1(lines 400 428) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-22 11:35:53,458 INFO L854 garLoopResultBuilder]: At program point L260(lines 255 263) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0)) (= 0 ~systemActive~0)) [2021-12-22 11:35:53,459 INFO L854 garLoopResultBuilder]: At program point L801(lines 796 803) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-22 11:35:53,459 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 419) no Hoare annotation was computed. [2021-12-22 11:35:53,459 INFO L858 garLoopResultBuilder]: For program point L182-1(lines 182 188) no Hoare annotation was computed. [2021-12-22 11:35:53,459 INFO L858 garLoopResultBuilder]: For program point L211(lines 211 219) no Hoare annotation was computed. [2021-12-22 11:35:53,459 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 224) no Hoare annotation was computed. [2021-12-22 11:35:53,459 INFO L854 garLoopResultBuilder]: At program point L249(line 249) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-22 11:35:53,459 INFO L858 garLoopResultBuilder]: For program point L249-1(line 249) no Hoare annotation was computed. [2021-12-22 11:35:53,460 INFO L854 garLoopResultBuilder]: At program point L406(line 406) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-22 11:35:53,460 INFO L858 garLoopResultBuilder]: For program point L406-1(line 406) no Hoare annotation was computed. [2021-12-22 11:35:53,460 INFO L854 garLoopResultBuilder]: At program point L241(lines 236 243) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-22 11:35:53,460 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 171 194) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-22 11:35:53,460 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 174 193) no Hoare annotation was computed. [2021-12-22 11:35:53,460 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 171 194) no Hoare annotation was computed. [2021-12-22 11:35:53,460 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 800) no Hoare annotation was computed. [2021-12-22 11:35:53,461 INFO L854 garLoopResultBuilder]: At program point L151(lines 102 152) the Hoare annotation is: false [2021-12-22 11:35:53,461 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-22 11:35:53,461 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-22 11:35:53,461 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-22 11:35:53,461 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 129) no Hoare annotation was computed. [2021-12-22 11:35:53,461 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 123 129) no Hoare annotation was computed. [2021-12-22 11:35:53,461 INFO L854 garLoopResultBuilder]: At program point L148(lines 103 150) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-12-22 11:35:53,462 INFO L854 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-12-22 11:35:53,462 INFO L854 garLoopResultBuilder]: At program point L305(lines 300 307) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-12-22 11:35:53,462 INFO L861 garLoopResultBuilder]: At program point L875(lines 867 877) the Hoare annotation is: true [2021-12-22 11:35:53,462 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-22 11:35:53,462 INFO L858 garLoopResultBuilder]: For program point L888(lines 888 895) no Hoare annotation was computed. [2021-12-22 11:35:53,462 INFO L858 garLoopResultBuilder]: For program point L888-2(lines 888 895) no Hoare annotation was computed. [2021-12-22 11:35:53,462 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2021-12-22 11:35:53,463 INFO L854 garLoopResultBuilder]: At program point L397(lines 392 399) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2021-12-22 11:35:53,463 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 145) no Hoare annotation was computed. [2021-12-22 11:35:53,467 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-12-22 11:35:53,467 INFO L854 garLoopResultBuilder]: At program point L141-2(lines 133 146) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-12-22 11:35:53,467 INFO L858 garLoopResultBuilder]: For program point L104(lines 103 150) no Hoare annotation was computed. [2021-12-22 11:35:53,467 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 146) no Hoare annotation was computed. [2021-12-22 11:35:53,468 INFO L861 garLoopResultBuilder]: At program point L897(lines 878 900) the Hoare annotation is: true [2021-12-22 11:35:53,468 INFO L854 garLoopResultBuilder]: At program point L864(lines 860 866) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2021-12-22 11:35:53,468 INFO L854 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-12-22 11:35:53,468 INFO L861 garLoopResultBuilder]: At program point L154(lines 93 158) the Hoare annotation is: true [2021-12-22 11:35:53,468 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2021-12-22 11:35:53,468 INFO L858 garLoopResultBuilder]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2021-12-22 11:35:53,468 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-12-22 11:35:53,469 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-12-22 11:35:53,469 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 324 335) no Hoare annotation was computed. [2021-12-22 11:35:53,469 INFO L858 garLoopResultBuilder]: For program point L328-1(lines 324 335) no Hoare annotation was computed. [2021-12-22 11:35:53,469 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 324 335) the Hoare annotation is: true [2021-12-22 11:35:53,472 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-22 11:35:53,473 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-22 11:35:53,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 11:35:53 BoogieIcfgContainer [2021-12-22 11:35:53,499 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-22 11:35:53,500 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 11:35:53,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 11:35:53,500 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 11:35:53,501 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:35:52" (3/4) ... [2021-12-22 11:35:53,502 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-22 11:35:53,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-22 11:35:53,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-22 11:35:53,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-22 11:35:53,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-22 11:35:53,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-22 11:35:53,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-22 11:35:53,516 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2021-12-22 11:35:53,517 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-22 11:35:53,517 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-22 11:35:53,517 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-22 11:35:53,518 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-22 11:35:53,518 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-22 11:35:53,518 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-22 11:35:53,533 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) [2021-12-22 11:35:53,533 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && \result == 1) && !(0 == systemActive) [2021-12-22 11:35:53,533 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && \result == 1) && !(0 == systemActive) [2021-12-22 11:35:53,533 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && !(0 == systemActive) [2021-12-22 11:35:53,534 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-22 11:35:53,535 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive [2021-12-22 11:35:53,536 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && !(0 == systemActive) [2021-12-22 11:35:53,536 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive [2021-12-22 11:35:53,537 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-22 11:35:53,537 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || 0 == systemActive [2021-12-22 11:35:53,537 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-22 11:35:53,537 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-22 11:35:53,560 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 11:35:53,560 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 11:35:53,561 INFO L158 Benchmark]: Toolchain (without parser) took 1870.64ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 64.1MB in the beginning and 54.1MB in the end (delta: 10.0MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2021-12-22 11:35:53,561 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 94.4MB. Free memory was 52.8MB in the beginning and 52.7MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 11:35:53,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.12ms. Allocated memory is still 94.4MB. Free memory was 64.0MB in the beginning and 64.0MB in the end (delta: 1.7kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-22 11:35:53,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.68ms. Allocated memory is still 94.4MB. Free memory was 64.0MB in the beginning and 61.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 11:35:53,562 INFO L158 Benchmark]: Boogie Preprocessor took 34.27ms. Allocated memory is still 94.4MB. Free memory was 61.9MB in the beginning and 60.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 11:35:53,562 INFO L158 Benchmark]: RCFGBuilder took 333.53ms. Allocated memory is still 94.4MB. Free memory was 60.2MB in the beginning and 45.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-22 11:35:53,562 INFO L158 Benchmark]: TraceAbstraction took 1110.02ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 44.8MB in the beginning and 60.5MB in the end (delta: -15.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-12-22 11:35:53,563 INFO L158 Benchmark]: Witness Printer took 60.33ms. Allocated memory is still 113.2MB. Free memory was 60.5MB in the beginning and 54.1MB in the end (delta: 6.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-22 11:35:53,564 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 94.4MB. Free memory was 52.8MB in the beginning and 52.7MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.12ms. Allocated memory is still 94.4MB. Free memory was 64.0MB in the beginning and 64.0MB in the end (delta: 1.7kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.68ms. Allocated memory is still 94.4MB. Free memory was 64.0MB in the beginning and 61.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.27ms. Allocated memory is still 94.4MB. Free memory was 61.9MB in the beginning and 60.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 333.53ms. Allocated memory is still 94.4MB. Free memory was 60.2MB in the beginning and 45.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1110.02ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 44.8MB in the beginning and 60.5MB in the end (delta: -15.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Witness Printer took 60.33ms. Allocated memory is still 113.2MB. Free memory was 60.5MB in the beginning and 54.1MB in the end (delta: 6.4MB). Peak memory consumption was 4.2MB. 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: 800]: 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 7 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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, 149 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 146 mSDsluCounter, 527 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 247 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 280 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 146 PreInvPairs, 161 NumberOfFragments, 271 HoareAnnotationTreeSize, 146 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 103 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 190 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: 400]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || 0 == systemActive - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-22 11:35:53,600 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