./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product10.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 4dae96e0c4eed470a791b2d8d52884fccffefaebe65a821ad8af6206bc44af61 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:07:21,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:07:21,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:07:21,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:07:21,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:07:21,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:07:21,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:07:21,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:07:21,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:07:21,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:07:21,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:07:21,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:07:21,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:07:21,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:07:21,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:07:21,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:07:21,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:07:21,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:07:21,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:07:21,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:07:21,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:07:21,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:07:21,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:07:21,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:07:21,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:07:21,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:07:21,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:07:21,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:07:21,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:07:21,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:07:21,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:07:21,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:07:21,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:07:21,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:07:21,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:07:21,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:07:21,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:07:21,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:07:21,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:07:21,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:07:21,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:07:21,207 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:07:21,244 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:07:21,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:07:21,245 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:07:21,245 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:07:21,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:07:21,246 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:07:21,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:07:21,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:07:21,260 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:07:21,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:07:21,261 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:07:21,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:07:21,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:07:21,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:07:21,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:07:21,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:07:21,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:07:21,262 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:07:21,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:07:21,262 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:07:21,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:07:21,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:07:21,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:07:21,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:07:21,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:07:21,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:07:21,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:07:21,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:07:21,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:07:21,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:07:21,265 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:07:21,265 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:07:21,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:07:21,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:07:21,266 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dae96e0c4eed470a791b2d8d52884fccffefaebe65a821ad8af6206bc44af61 [2021-12-17 15:07:21,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:07:21,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:07:21,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:07:21,621 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:07:21,622 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:07:21,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2021-12-17 15:07:21,714 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20746e657/5339f604597846eda3ce7532a8706def/FLAGbf591ab04 [2021-12-17 15:07:22,113 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:07:22,113 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2021-12-17 15:07:22,129 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20746e657/5339f604597846eda3ce7532a8706def/FLAGbf591ab04 [2021-12-17 15:07:22,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20746e657/5339f604597846eda3ce7532a8706def [2021-12-17 15:07:22,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:07:22,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:07:22,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:07:22,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:07:22,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:07:22,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:07:22" (1/1) ... [2021-12-17 15:07:22,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dafcc4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:22, skipping insertion in model container [2021-12-17 15:07:22,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:07:22" (1/1) ... [2021-12-17 15:07:22,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:07:22,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:07:22,706 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_product10.cil.c[1605,1618] [2021-12-17 15:07:22,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:07:22,797 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:07:22,805 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_product10.cil.c[1605,1618] [2021-12-17 15:07:22,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:07:22,869 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:07:22,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:22 WrapperNode [2021-12-17 15:07:22,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:07:22,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:07:22,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:07:22,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:07:22,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:22" (1/1) ... [2021-12-17 15:07:22,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:22" (1/1) ... [2021-12-17 15:07:22,903 INFO L137 Inliner]: procedures = 52, calls = 148, calls flagged for inlining = 20, calls inlined = 15, statements flattened = 191 [2021-12-17 15:07:22,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:07:22,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:07:22,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:07:22,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:07:22,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:22" (1/1) ... [2021-12-17 15:07:22,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:22" (1/1) ... [2021-12-17 15:07:22,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:22" (1/1) ... [2021-12-17 15:07:22,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:22" (1/1) ... [2021-12-17 15:07:22,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:22" (1/1) ... [2021-12-17 15:07:22,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:22" (1/1) ... [2021-12-17 15:07:22,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:22" (1/1) ... [2021-12-17 15:07:22,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:07:22,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:07:22,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:07:22,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:07:22,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:22" (1/1) ... [2021-12-17 15:07:22,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:07:22,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:07:23,004 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) [2021-12-17 15:07:23,043 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 [2021-12-17 15:07:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:07:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:07:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:07:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:07:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:07:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-17 15:07:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-17 15:07:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:07:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:07:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:07:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:07:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:07:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:07:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:07:23,155 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:07:23,156 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:07:23,394 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:07:23,429 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:07:23,429 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:07:23,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:07:23 BoogieIcfgContainer [2021-12-17 15:07:23,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:07:23,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:07:23,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:07:23,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:07:23,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:07:22" (1/3) ... [2021-12-17 15:07:23,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f463e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:07:23, skipping insertion in model container [2021-12-17 15:07:23,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:22" (2/3) ... [2021-12-17 15:07:23,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f463e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:07:23, skipping insertion in model container [2021-12-17 15:07:23,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:07:23" (3/3) ... [2021-12-17 15:07:23,452 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product10.cil.c [2021-12-17 15:07:23,455 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:07:23,455 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:07:23,512 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:07:23,517 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 [2021-12-17 15:07:23,518 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:07:23,552 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 51 states have (on average 1.392156862745098) internal successors, (71), 55 states have internal predecessors, (71), 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) [2021-12-17 15:07:23,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-17 15:07:23,556 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:23,557 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] [2021-12-17 15:07:23,557 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:23,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:23,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1391531782, now seen corresponding path program 1 times [2021-12-17 15:07:23,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:23,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575051114] [2021-12-17 15:07:23,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:23,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:23,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-17 15:07:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:23,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:23,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:23,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575051114] [2021-12-17 15:07:23,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575051114] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:23,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:23,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:07:23,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598341907] [2021-12-17 15:07:23,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:23,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:07:23,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:23,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:07:23,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:07:23,987 INFO L87 Difference]: Start difference. First operand has 65 states, 51 states have (on average 1.392156862745098) internal successors, (71), 55 states have internal predecessors, (71), 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 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) [2021-12-17 15:07:24,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:24,025 INFO L93 Difference]: Finished difference Result 121 states and 164 transitions. [2021-12-17 15:07:24,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:07:24,026 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 [2021-12-17 15:07:24,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:24,031 INFO L225 Difference]: With dead ends: 121 [2021-12-17 15:07:24,037 INFO L226 Difference]: Without dead ends: 56 [2021-12-17 15:07:24,048 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 [2021-12-17 15:07:24,054 INFO L933 BasicCegarLoop]: 79 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, 79 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 [2021-12-17 15:07:24,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:24,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-12-17 15:07:24,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2021-12-17 15:07:24,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 47 states have internal predecessors, (57), 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) [2021-12-17 15:07:24,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2021-12-17 15:07:24,128 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 25 [2021-12-17 15:07:24,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:24,128 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2021-12-17 15:07:24,129 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) [2021-12-17 15:07:24,129 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2021-12-17 15:07:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-17 15:07:24,132 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:24,132 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] [2021-12-17 15:07:24,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:07:24,133 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:24,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:24,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1847292280, now seen corresponding path program 1 times [2021-12-17 15:07:24,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:24,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219072274] [2021-12-17 15:07:24,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:24,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:24,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-17 15:07:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:24,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:24,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:24,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219072274] [2021-12-17 15:07:24,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219072274] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:24,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:24,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:07:24,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169688108] [2021-12-17 15:07:24,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:24,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:07:24,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:24,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:07:24,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:07:24,287 INFO L87 Difference]: Start difference. First operand 56 states and 70 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) [2021-12-17 15:07:24,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:24,301 INFO L93 Difference]: Finished difference Result 76 states and 94 transitions. [2021-12-17 15:07:24,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:07:24,302 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 [2021-12-17 15:07:24,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:24,303 INFO L225 Difference]: With dead ends: 76 [2021-12-17 15:07:24,304 INFO L226 Difference]: Without dead ends: 47 [2021-12-17 15:07:24,308 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 [2021-12-17 15:07:24,309 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 13 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 97 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 [2021-12-17 15:07:24,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 97 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:24,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-12-17 15:07:24,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-12-17 15:07:24,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 41 states have internal predecessors, (50), 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) [2021-12-17 15:07:24,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2021-12-17 15:07:24,327 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 26 [2021-12-17 15:07:24,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:24,327 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions. [2021-12-17 15:07:24,328 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) [2021-12-17 15:07:24,342 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2021-12-17 15:07:24,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-17 15:07:24,344 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:24,344 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] [2021-12-17 15:07:24,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:07:24,344 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:24,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:24,345 INFO L85 PathProgramCache]: Analyzing trace with hash 42643216, now seen corresponding path program 1 times [2021-12-17 15:07:24,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:24,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943742954] [2021-12-17 15:07:24,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:24,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:24,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-17 15:07:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:24,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:24,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:24,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943742954] [2021-12-17 15:07:24,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943742954] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:24,427 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:24,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:07:24,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511457091] [2021-12-17 15:07:24,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:24,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:07:24,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:24,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:07:24,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:07:24,429 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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) [2021-12-17 15:07:24,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:24,471 INFO L93 Difference]: Finished difference Result 86 states and 109 transitions. [2021-12-17 15:07:24,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:07:24,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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 [2021-12-17 15:07:24,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:24,472 INFO L225 Difference]: With dead ends: 86 [2021-12-17 15:07:24,473 INFO L226 Difference]: Without dead ends: 47 [2021-12-17 15:07:24,473 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 [2021-12-17 15:07:24,475 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:24,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 56 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:24,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-12-17 15:07:24,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-12-17 15:07:24,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 41 states have internal predecessors, (49), 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) [2021-12-17 15:07:24,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2021-12-17 15:07:24,495 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 57 transitions. Word has length 31 [2021-12-17 15:07:24,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:24,495 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 57 transitions. [2021-12-17 15:07:24,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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) [2021-12-17 15:07:24,496 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2021-12-17 15:07:24,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-17 15:07:24,504 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:24,504 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] [2021-12-17 15:07:24,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:07:24,505 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:24,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:24,505 INFO L85 PathProgramCache]: Analyzing trace with hash -782432329, now seen corresponding path program 1 times [2021-12-17 15:07:24,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:24,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764479794] [2021-12-17 15:07:24,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:24,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:24,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-17 15:07:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:24,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:24,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:24,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764479794] [2021-12-17 15:07:24,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764479794] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:24,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:24,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:07:24,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188321304] [2021-12-17 15:07:24,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:24,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:24,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:24,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:24,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:07:24,627 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-12-17 15:07:24,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:24,766 INFO L93 Difference]: Finished difference Result 123 states and 155 transitions. [2021-12-17 15:07:24,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:07:24,768 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 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 32 [2021-12-17 15:07:24,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:24,775 INFO L225 Difference]: With dead ends: 123 [2021-12-17 15:07:24,775 INFO L226 Difference]: Without dead ends: 84 [2021-12-17 15:07:24,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:07:24,789 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 28 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:24,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 261 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:24,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-12-17 15:07:24,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 81. [2021-12-17 15:07:24,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 64 states have (on average 1.28125) internal successors, (82), 69 states have internal predecessors, (82), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2021-12-17 15:07:24,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 99 transitions. [2021-12-17 15:07:24,807 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 99 transitions. Word has length 32 [2021-12-17 15:07:24,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:24,807 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 99 transitions. [2021-12-17 15:07:24,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-12-17 15:07:24,808 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2021-12-17 15:07:24,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-17 15:07:24,825 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:24,825 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] [2021-12-17 15:07:24,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:07:24,825 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:24,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:24,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1527102675, now seen corresponding path program 1 times [2021-12-17 15:07:24,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:24,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036051959] [2021-12-17 15:07:24,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:24,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:24,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:07:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:24,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-17 15:07:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:24,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:24,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:24,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036051959] [2021-12-17 15:07:24,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036051959] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:24,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:24,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:07:24,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604891088] [2021-12-17 15:07:24,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:24,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:24,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:24,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:24,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:07:24,930 INFO L87 Difference]: Start difference. First operand 81 states and 99 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:07:25,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:25,025 INFO L93 Difference]: Finished difference Result 150 states and 186 transitions. [2021-12-17 15:07:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:07:25,026 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 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 [2021-12-17 15:07:25,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:25,029 INFO L225 Difference]: With dead ends: 150 [2021-12-17 15:07:25,029 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:07:25,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:07:25,030 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 42 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:25,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 129 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:07:25,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:07:25,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:07:25,032 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) [2021-12-17 15:07:25,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:07:25,033 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-12-17 15:07:25,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:25,033 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:07:25,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:07:25,034 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:07:25,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:07:25,036 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:07:25,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 15:07:25,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:07:25,267 INFO L858 garLoopResultBuilder]: For program point L95-1(lines 91 102) no Hoare annotation was computed. [2021-12-17 15:07:25,267 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 91 102) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (not (= ~systemActive~0 1))) [2021-12-17 15:07:25,267 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 91 102) no Hoare annotation was computed. [2021-12-17 15:07:25,267 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 797 826) no Hoare annotation was computed. [2021-12-17 15:07:25,268 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 797 826) the Hoare annotation is: true [2021-12-17 15:07:25,268 INFO L861 garLoopResultBuilder]: At program point L822(lines 797 826) the Hoare annotation is: true [2021-12-17 15:07:25,268 INFO L858 garLoopResultBuilder]: For program point L818(line 818) no Hoare annotation was computed. [2021-12-17 15:07:25,268 INFO L858 garLoopResultBuilder]: For program point L811(lines 811 815) no Hoare annotation was computed. [2021-12-17 15:07:25,268 INFO L861 garLoopResultBuilder]: At program point L811-1(lines 811 815) the Hoare annotation is: true [2021-12-17 15:07:25,268 INFO L858 garLoopResultBuilder]: For program point L808(line 808) no Hoare annotation was computed. [2021-12-17 15:07:25,268 INFO L861 garLoopResultBuilder]: At program point L807-2(lines 807 821) the Hoare annotation is: true [2021-12-17 15:07:25,268 INFO L861 garLoopResultBuilder]: At program point L803(line 803) the Hoare annotation is: true [2021-12-17 15:07:25,269 INFO L858 garLoopResultBuilder]: For program point L803-1(line 803) no Hoare annotation was computed. [2021-12-17 15:07:25,269 INFO L858 garLoopResultBuilder]: For program point L638-1(lines 638 644) no Hoare annotation was computed. [2021-12-17 15:07:25,269 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-12-17 15:07:25,269 INFO L861 garLoopResultBuilder]: At program point L655(lines 651 657) the Hoare annotation is: true [2021-12-17 15:07:25,269 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 785) no Hoare annotation was computed. [2021-12-17 15:07:25,269 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 75) no Hoare annotation was computed. [2021-12-17 15:07:25,269 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 627 650) no Hoare annotation was computed. [2021-12-17 15:07:25,269 INFO L854 garLoopResultBuilder]: At program point L71-2(lines 67 78) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2021-12-17 15:07:25,270 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2021-12-17 15:07:25,270 INFO L858 garLoopResultBuilder]: For program point L631-1(lines 630 649) no Hoare annotation was computed. [2021-12-17 15:07:25,270 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 627 650) the Hoare annotation is: true [2021-12-17 15:07:25,270 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 627 650) no Hoare annotation was computed. [2021-12-17 15:07:25,270 INFO L858 garLoopResultBuilder]: For program point L778(lines 778 788) no Hoare annotation was computed. [2021-12-17 15:07:25,270 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-12-17 15:07:25,270 INFO L858 garLoopResultBuilder]: For program point L774(lines 774 791) no Hoare annotation was computed. [2021-12-17 15:07:25,271 INFO L854 garLoopResultBuilder]: At program point L774-1(lines 766 794) the Hoare annotation is: (or (= |timeShift___utac_acc__Specification2_spec__2_~tmp~5#1| 0) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= ~systemActive~0 1))) [2021-12-17 15:07:25,271 INFO L861 garLoopResultBuilder]: At program point L772(line 772) the Hoare annotation is: true [2021-12-17 15:07:25,271 INFO L854 garLoopResultBuilder]: At program point L708(lines 703 711) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |timeShift_isPumpRunning_#res#1| 0) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2021-12-17 15:07:25,271 INFO L858 garLoopResultBuilder]: For program point L772-1(line 772) no Hoare annotation was computed. [2021-12-17 15:07:25,271 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 103 111) the Hoare annotation is: true [2021-12-17 15:07:25,271 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 103 111) no Hoare annotation was computed. [2021-12-17 15:07:25,271 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 103 111) no Hoare annotation was computed. [2021-12-17 15:07:25,272 INFO L858 garLoopResultBuilder]: For program point L572(lines 572 578) no Hoare annotation was computed. [2021-12-17 15:07:25,272 INFO L858 garLoopResultBuilder]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2021-12-17 15:07:25,272 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 568) no Hoare annotation was computed. [2021-12-17 15:07:25,272 INFO L854 garLoopResultBuilder]: At program point L610(lines 561 611) the Hoare annotation is: false [2021-12-17 15:07:25,272 INFO L861 garLoopResultBuilder]: At program point L866(lines 858 868) the Hoare annotation is: true [2021-12-17 15:07:25,272 INFO L854 garLoopResultBuilder]: At program point L544(lines 539 547) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:07:25,272 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:07:25,273 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:07:25,273 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:07:25,273 INFO L854 garLoopResultBuilder]: At program point L763(lines 758 765) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:07:25,273 INFO L854 garLoopResultBuilder]: At program point L536(lines 532 538) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:07:25,273 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 886) no Hoare annotation was computed. [2021-12-17 15:07:25,273 INFO L858 garLoopResultBuilder]: For program point L879-2(lines 879 886) no Hoare annotation was computed. [2021-12-17 15:07:25,273 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 588) no Hoare annotation was computed. [2021-12-17 15:07:25,273 INFO L858 garLoopResultBuilder]: For program point L582-1(lines 582 588) no Hoare annotation was computed. [2021-12-17 15:07:25,274 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:07:25,274 INFO L854 garLoopResultBuilder]: At program point L607(lines 562 609) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:07:25,274 INFO L854 garLoopResultBuilder]: At program point L574(line 574) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:07:25,274 INFO L861 garLoopResultBuilder]: At program point L888(lines 869 891) the Hoare annotation is: true [2021-12-17 15:07:25,274 INFO L854 garLoopResultBuilder]: At program point L855(lines 851 857) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:07:25,274 INFO L854 garLoopResultBuilder]: At program point L529(lines 525 531) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:07:25,274 INFO L858 garLoopResultBuilder]: For program point L600(lines 600 604) no Hoare annotation was computed. [2021-12-17 15:07:25,275 INFO L854 garLoopResultBuilder]: At program point L600-2(lines 592 605) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:07:25,275 INFO L858 garLoopResultBuilder]: For program point L563(lines 562 609) no Hoare annotation was computed. [2021-12-17 15:07:25,275 INFO L854 garLoopResultBuilder]: At program point L753(lines 748 755) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:07:25,275 INFO L858 garLoopResultBuilder]: For program point L592(lines 592 605) no Hoare annotation was computed. [2021-12-17 15:07:25,275 INFO L854 garLoopResultBuilder]: At program point L584(line 584) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:07:25,275 INFO L861 garLoopResultBuilder]: At program point L613(lines 552 617) the Hoare annotation is: true [2021-12-17 15:07:25,275 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 79 90) no Hoare annotation was computed. [2021-12-17 15:07:25,276 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 79 90) the Hoare annotation is: true [2021-12-17 15:07:25,276 INFO L858 garLoopResultBuilder]: For program point L83-1(lines 79 90) no Hoare annotation was computed. [2021-12-17 15:07:25,278 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-17 15:07:25,279 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:07:25,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:07:25 BoogieIcfgContainer [2021-12-17 15:07:25,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:07:25,290 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:07:25,290 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:07:25,290 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:07:25,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:07:23" (3/4) ... [2021-12-17 15:07:25,292 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:07:25,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:07:25,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:07:25,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:07:25,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-17 15:07:25,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:07:25,304 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2021-12-17 15:07:25,304 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:07:25,304 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:07:25,304 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:07:25,305 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:07:25,305 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:07:25,305 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:07:25,320 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) || \result == 0) || !(systemActive == 1)) && ((!(pumpRunning == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) [2021-12-17 15:07:25,331 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:07:25,331 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:07:25,332 INFO L158 Benchmark]: Toolchain (without parser) took 2820.31ms. Allocated memory was 96.5MB in the beginning and 136.3MB in the end (delta: 39.8MB). Free memory was 66.0MB in the beginning and 74.2MB in the end (delta: -8.2MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2021-12-17 15:07:25,332 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:07:25,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.45ms. Allocated memory was 96.5MB in the beginning and 136.3MB in the end (delta: 39.8MB). Free memory was 65.7MB in the beginning and 105.7MB in the end (delta: -40.0MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2021-12-17 15:07:25,332 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.37ms. Allocated memory is still 136.3MB. Free memory was 105.7MB in the beginning and 103.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:07:25,332 INFO L158 Benchmark]: Boogie Preprocessor took 15.98ms. Allocated memory is still 136.3MB. Free memory was 103.5MB in the beginning and 102.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:07:25,333 INFO L158 Benchmark]: RCFGBuilder took 509.82ms. Allocated memory is still 136.3MB. Free memory was 102.1MB in the beginning and 88.0MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-17 15:07:25,333 INFO L158 Benchmark]: TraceAbstraction took 1857.73ms. Allocated memory is still 136.3MB. Free memory was 87.5MB in the beginning and 78.9MB in the end (delta: 8.6MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-12-17 15:07:25,333 INFO L158 Benchmark]: Witness Printer took 41.39ms. Allocated memory is still 136.3MB. Free memory was 78.9MB in the beginning and 74.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-17 15:07:25,334 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.45ms. Allocated memory was 96.5MB in the beginning and 136.3MB in the end (delta: 39.8MB). Free memory was 65.7MB in the beginning and 105.7MB in the end (delta: -40.0MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.37ms. Allocated memory is still 136.3MB. Free memory was 105.7MB in the beginning and 103.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.98ms. Allocated memory is still 136.3MB. Free memory was 103.5MB in the beginning and 102.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 509.82ms. Allocated memory is still 136.3MB. Free memory was 102.1MB in the beginning and 88.0MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1857.73ms. Allocated memory is still 136.3MB. Free memory was 87.5MB in the beginning and 78.9MB in the end (delta: 8.6MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Witness Printer took 41.39ms. Allocated memory is still 136.3MB. Free memory was 78.9MB in the beginning and 74.2MB in the end (delta: 4.7MB). 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: 54]: 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, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 622 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 328 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 294 mSDtfsCounter, 81 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 123 PreInvPairs, 145 NumberOfFragments, 186 HoareAnnotationTreeSize, 123 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 416 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 265 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(systemActive == 1) - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(systemActive == 1) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || \result == 0) || !(systemActive == 1)) && ((!(pumpRunning == 0) || !(methaneLevelCritical == 0)) || !(systemActive == 1)) - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: ((tmp == 0 || !(pumpRunning == 0)) || !(methaneLevelCritical == 0)) || !(systemActive == 1) - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && systemActive == 1) && pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-12-17 15:07:25,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE