./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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_product03.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 3a1eba5ca30a3343d8953ecd039be16a8dd6d2bdab2092d3b75c2a024dd1dbf0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:37:22,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:37:22,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:37:22,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:37:22,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:37:22,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:37:22,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:37:22,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:37:22,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:37:22,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:37:22,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:37:22,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:37:22,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:37:22,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:37:22,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:37:22,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:37:22,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:37:22,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:37:22,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:37:22,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:37:22,082 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:37:22,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:37:22,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:37:22,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:37:22,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:37:22,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:37:22,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:37:22,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:37:22,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:37:22,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:37:22,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:37:22,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:37:22,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:37:22,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:37:22,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:37:22,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:37:22,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:37:22,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:37:22,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:37:22,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:37:22,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:37:22,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:37:22,096 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:37:22,112 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:37:22,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:37:22,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:37:22,113 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:37:22,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:37:22,114 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:37:22,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:37:22,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:37:22,115 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:37:22,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:37:22,115 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:37:22,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:37:22,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:37:22,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:37:22,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:37:22,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:37:22,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:37:22,116 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:37:22,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:37:22,117 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:37:22,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:37:22,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:37:22,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:37:22,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:37:22,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:37:22,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:37:22,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:37:22,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:37:22,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:37:22,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:37:22,119 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:37:22,119 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:37:22,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:37:22,120 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a1eba5ca30a3343d8953ecd039be16a8dd6d2bdab2092d3b75c2a024dd1dbf0 [2022-07-22 17:37:22,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:37:22,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:37:22,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:37:22,323 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:37:22,324 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:37:22,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2022-07-22 17:37:22,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ae91196a/505286efef05466fb383f981b3715b79/FLAG0c499f1b7 [2022-07-22 17:37:22,790 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:37:22,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2022-07-22 17:37:22,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ae91196a/505286efef05466fb383f981b3715b79/FLAG0c499f1b7 [2022-07-22 17:37:22,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ae91196a/505286efef05466fb383f981b3715b79 [2022-07-22 17:37:22,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:37:22,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:37:22,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:37:22,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:37:22,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:37:22,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:37:22" (1/1) ... [2022-07-22 17:37:22,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee6de13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:22, skipping insertion in model container [2022-07-22 17:37:22,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:37:22" (1/1) ... [2022-07-22 17:37:22,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:37:22,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:37:23,080 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_product03.cil.c[17319,17332] [2022-07-22 17:37:23,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:37:23,097 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:37:23,157 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_product03.cil.c[17319,17332] [2022-07-22 17:37:23,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:37:23,172 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:37:23,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:23 WrapperNode [2022-07-22 17:37:23,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:37:23,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:37:23,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:37:23,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:37:23,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:23" (1/1) ... [2022-07-22 17:37:23,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:23" (1/1) ... [2022-07-22 17:37:23,216 INFO L137 Inliner]: procedures = 51, calls = 147, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 195 [2022-07-22 17:37:23,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:37:23,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:37:23,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:37:23,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:37:23,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:23" (1/1) ... [2022-07-22 17:37:23,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:23" (1/1) ... [2022-07-22 17:37:23,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:23" (1/1) ... [2022-07-22 17:37:23,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:23" (1/1) ... [2022-07-22 17:37:23,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:23" (1/1) ... [2022-07-22 17:37:23,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:23" (1/1) ... [2022-07-22 17:37:23,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:23" (1/1) ... [2022-07-22 17:37:23,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:37:23,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:37:23,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:37:23,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:37:23,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:23" (1/1) ... [2022-07-22 17:37:23,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:37:23,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:37:23,268 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) [2022-07-22 17:37:23,271 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 [2022-07-22 17:37:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:37:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-22 17:37:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-22 17:37:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-22 17:37:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-22 17:37:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-22 17:37:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-22 17:37:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-22 17:37:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-22 17:37:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:37:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-22 17:37:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-22 17:37:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:37:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:37:23,366 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:37:23,367 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:37:23,575 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:37:23,581 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:37:23,581 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 17:37:23,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:23 BoogieIcfgContainer [2022-07-22 17:37:23,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:37:23,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:37:23,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:37:23,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:37:23,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:37:22" (1/3) ... [2022-07-22 17:37:23,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47247548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:37:23, skipping insertion in model container [2022-07-22 17:37:23,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:23" (2/3) ... [2022-07-22 17:37:23,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47247548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:37:23, skipping insertion in model container [2022-07-22 17:37:23,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:23" (3/3) ... [2022-07-22 17:37:23,589 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product03.cil.c [2022-07-22 17:37:23,600 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:37:23,615 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:37:23,659 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:37:23,667 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2c268e03, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1ef3605 [2022-07-22 17:37:23,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:37:23,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 58 states have internal predecessors, (75), 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) [2022-07-22 17:37:23,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-22 17:37:23,698 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:23,699 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:37:23,700 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:23,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:23,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1618223231, now seen corresponding path program 1 times [2022-07-22 17:37:23,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:23,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308740259] [2022-07-22 17:37:23,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:23,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:23,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-22 17:37:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:23,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:23,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:23,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308740259] [2022-07-22 17:37:23,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308740259] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:23,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:23,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 17:37:23,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614625769] [2022-07-22 17:37:23,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:23,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:37:23,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:23,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:37:23,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:37:23,970 INFO L87 Difference]: Start difference. First operand has 68 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 58 states have internal predecessors, (75), 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) [2022-07-22 17:37:23,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:23,993 INFO L93 Difference]: Finished difference Result 127 states and 172 transitions. [2022-07-22 17:37:23,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:37:23,995 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 [2022-07-22 17:37:24,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:24,017 INFO L225 Difference]: With dead ends: 127 [2022-07-22 17:37:24,018 INFO L226 Difference]: Without dead ends: 59 [2022-07-22 17:37:24,021 INFO L412 NwaCegarLoop]: 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 [2022-07-22 17:37:24,024 INFO L413 NwaCegarLoop]: 83 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, 83 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 [2022-07-22 17:37:24,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:24,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-07-22 17:37:24,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-07-22 17:37:24,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 47 states have (on average 1.297872340425532) internal successors, (61), 50 states have internal predecessors, (61), 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) [2022-07-22 17:37:24,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2022-07-22 17:37:24,065 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 25 [2022-07-22 17:37:24,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:24,065 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2022-07-22 17:37:24,066 INFO L496 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) [2022-07-22 17:37:24,066 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2022-07-22 17:37:24,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-22 17:37:24,068 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:24,068 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:37:24,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 17:37:24,069 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:24,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:24,070 INFO L85 PathProgramCache]: Analyzing trace with hash -915486216, now seen corresponding path program 1 times [2022-07-22 17:37:24,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:24,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513145913] [2022-07-22 17:37:24,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:24,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:24,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 17:37:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:24,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:24,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:24,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513145913] [2022-07-22 17:37:24,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513145913] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:24,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:24,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:37:24,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742477150] [2022-07-22 17:37:24,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:24,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:37:24,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:24,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:37:24,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:37:24,135 INFO L87 Difference]: Start difference. First operand 59 states and 74 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) [2022-07-22 17:37:24,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:24,145 INFO L93 Difference]: Finished difference Result 79 states and 98 transitions. [2022-07-22 17:37:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:37:24,146 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 [2022-07-22 17:37:24,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:24,147 INFO L225 Difference]: With dead ends: 79 [2022-07-22 17:37:24,148 INFO L226 Difference]: Without dead ends: 50 [2022-07-22 17:37:24,148 INFO L412 NwaCegarLoop]: 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 [2022-07-22 17:37:24,149 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 17 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 101 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 [2022-07-22 17:37:24,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:24,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-07-22 17:37:24,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-07-22 17:37:24,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 44 states have internal predecessors, (54), 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) [2022-07-22 17:37:24,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2022-07-22 17:37:24,156 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 26 [2022-07-22 17:37:24,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:24,156 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2022-07-22 17:37:24,157 INFO L496 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) [2022-07-22 17:37:24,157 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-07-22 17:37:24,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-22 17:37:24,158 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:24,158 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:37:24,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 17:37:24,158 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:24,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:24,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1945528758, now seen corresponding path program 1 times [2022-07-22 17:37:24,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:24,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269685889] [2022-07-22 17:37:24,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:24,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:24,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:37:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:24,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:24,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:24,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269685889] [2022-07-22 17:37:24,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269685889] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:24,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:24,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:37:24,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513999186] [2022-07-22 17:37:24,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:24,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:37:24,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:24,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:37:24,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:37:24,233 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:24,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:24,249 INFO L93 Difference]: Finished difference Result 133 states and 170 transitions. [2022-07-22 17:37:24,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:37:24,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-07-22 17:37:24,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:24,251 INFO L225 Difference]: With dead ends: 133 [2022-07-22 17:37:24,252 INFO L226 Difference]: Without dead ends: 91 [2022-07-22 17:37:24,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:37:24,253 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 41 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:24,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 116 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:24,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-07-22 17:37:24,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 86. [2022-07-22 17:37:24,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 74 states have internal predecessors, (93), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-07-22 17:37:24,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 109 transitions. [2022-07-22 17:37:24,266 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 109 transitions. Word has length 30 [2022-07-22 17:37:24,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:24,266 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 109 transitions. [2022-07-22 17:37:24,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:24,267 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2022-07-22 17:37:24,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-22 17:37:24,268 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:24,268 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:37:24,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 17:37:24,268 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:24,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:24,269 INFO L85 PathProgramCache]: Analyzing trace with hash -290200365, now seen corresponding path program 1 times [2022-07-22 17:37:24,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:24,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266489746] [2022-07-22 17:37:24,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:24,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:24,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 17:37:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:24,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:24,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:24,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266489746] [2022-07-22 17:37:24,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266489746] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:24,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:24,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:37:24,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44392267] [2022-07-22 17:37:24,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:24,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:37:24,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:24,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:37:24,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:37:24,331 INFO L87 Difference]: Start difference. First operand 86 states and 109 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2022-07-22 17:37:24,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:24,375 INFO L93 Difference]: Finished difference Result 161 states and 206 transitions. [2022-07-22 17:37:24,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:37:24,376 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), 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 31 [2022-07-22 17:37:24,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:24,377 INFO L225 Difference]: With dead ends: 161 [2022-07-22 17:37:24,377 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 17:37:24,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:37:24,379 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 36 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 145 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 [2022-07-22 17:37:24,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 145 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:24,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 17:37:24,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 17:37:24,381 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) [2022-07-22 17:37:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 17:37:24,381 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2022-07-22 17:37:24,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:24,381 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 17:37:24,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2022-07-22 17:37:24,382 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 17:37:24,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 17:37:24,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 17:37:24,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 17:37:24,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 17:37:24,560 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 279 290) the Hoare annotation is: true [2022-07-22 17:37:24,561 INFO L899 garLoopResultBuilder]: For program point L283-1(lines 279 290) no Hoare annotation was computed. [2022-07-22 17:37:24,561 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 279 290) no Hoare annotation was computed. [2022-07-22 17:37:24,562 INFO L902 garLoopResultBuilder]: At program point L386-1(lines 386 390) the Hoare annotation is: true [2022-07-22 17:37:24,562 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 372 401) no Hoare annotation was computed. [2022-07-22 17:37:24,562 INFO L899 garLoopResultBuilder]: For program point L383(line 383) no Hoare annotation was computed. [2022-07-22 17:37:24,562 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 372 401) the Hoare annotation is: true [2022-07-22 17:37:24,563 INFO L902 garLoopResultBuilder]: At program point L382-2(lines 382 396) the Hoare annotation is: true [2022-07-22 17:37:24,563 INFO L902 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-07-22 17:37:24,563 INFO L899 garLoopResultBuilder]: For program point L378-1(line 378) no Hoare annotation was computed. [2022-07-22 17:37:24,564 INFO L902 garLoopResultBuilder]: At program point L397(lines 372 401) the Hoare annotation is: true [2022-07-22 17:37:24,564 INFO L899 garLoopResultBuilder]: For program point L393(line 393) no Hoare annotation was computed. [2022-07-22 17:37:24,564 INFO L899 garLoopResultBuilder]: For program point L386(lines 386 390) no Hoare annotation was computed. [2022-07-22 17:37:24,564 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 291 299) the Hoare annotation is: true [2022-07-22 17:37:24,565 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 291 299) no Hoare annotation was computed. [2022-07-22 17:37:24,566 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 291 299) no Hoare annotation was computed. [2022-07-22 17:37:24,566 INFO L895 garLoopResultBuilder]: At program point L126(lines 121 129) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |timeShift_isPumpRunning_#res#1| 0)) [2022-07-22 17:37:24,567 INFO L902 garLoopResultBuilder]: At program point L91(lines 87 93) the Hoare annotation is: true [2022-07-22 17:37:24,567 INFO L899 garLoopResultBuilder]: For program point L857(lines 857 867) no Hoare annotation was computed. [2022-07-22 17:37:24,567 INFO L899 garLoopResultBuilder]: For program point L853(lines 853 870) no Hoare annotation was computed. [2022-07-22 17:37:24,568 INFO L902 garLoopResultBuilder]: At program point L853-1(lines 845 873) the Hoare annotation is: true [2022-07-22 17:37:24,570 INFO L902 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: true [2022-07-22 17:37:24,570 INFO L899 garLoopResultBuilder]: For program point L851-1(line 851) no Hoare annotation was computed. [2022-07-22 17:37:24,571 INFO L895 garLoopResultBuilder]: At program point L880(lines 875 882) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-07-22 17:37:24,571 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 63 86) no Hoare annotation was computed. [2022-07-22 17:37:24,571 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 263) no Hoare annotation was computed. [2022-07-22 17:37:24,572 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 66 85) no Hoare annotation was computed. [2022-07-22 17:37:24,572 INFO L895 garLoopResultBuilder]: At program point L259-2(lines 255 266) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-07-22 17:37:24,572 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 864) no Hoare annotation was computed. [2022-07-22 17:37:24,572 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 63 86) the Hoare annotation is: true [2022-07-22 17:37:24,577 INFO L899 garLoopResultBuilder]: For program point L879(line 879) no Hoare annotation was computed. [2022-07-22 17:37:24,578 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 63 86) no Hoare annotation was computed. [2022-07-22 17:37:24,578 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2022-07-22 17:37:24,578 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 879) no Hoare annotation was computed. [2022-07-22 17:37:24,578 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 238) no Hoare annotation was computed. [2022-07-22 17:37:24,579 INFO L895 garLoopResultBuilder]: At program point L217(line 217) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:24,579 INFO L902 garLoopResultBuilder]: At program point L246(lines 185 250) the Hoare annotation is: true [2022-07-22 17:37:24,581 INFO L895 garLoopResultBuilder]: At program point L366(lines 361 369) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:37:24,582 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 211) no Hoare annotation was computed. [2022-07-22 17:37:24,582 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 205 211) no Hoare annotation was computed. [2022-07-22 17:37:24,583 INFO L895 garLoopResultBuilder]: At program point L358(lines 354 360) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:37:24,583 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 201) no Hoare annotation was computed. [2022-07-22 17:37:24,583 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 17:37:24,583 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 17:37:24,583 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 17:37:24,583 INFO L895 garLoopResultBuilder]: At program point L243(lines 194 244) the Hoare annotation is: false [2022-07-22 17:37:24,583 INFO L895 garLoopResultBuilder]: At program point L107(lines 102 109) the Hoare annotation is: false [2022-07-22 17:37:24,583 INFO L895 garLoopResultBuilder]: At program point L842(lines 837 844) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:37:24,584 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 237) no Hoare annotation was computed. [2022-07-22 17:37:24,584 INFO L895 garLoopResultBuilder]: At program point L231-2(lines 225 238) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:24,584 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 17:37:24,584 INFO L895 garLoopResultBuilder]: At program point L351(lines 347 353) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:37:24,584 INFO L902 garLoopResultBuilder]: At program point L442(lines 434 444) the Hoare annotation is: true [2022-07-22 17:37:24,584 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 221) no Hoare annotation was computed. [2022-07-22 17:37:24,584 INFO L899 garLoopResultBuilder]: For program point L215-1(lines 215 221) no Hoare annotation was computed. [2022-07-22 17:37:24,585 INFO L895 garLoopResultBuilder]: At program point L178(lines 166 180) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:24,586 INFO L895 garLoopResultBuilder]: At program point L240(lines 195 242) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:24,586 INFO L895 garLoopResultBuilder]: At program point L207(line 207) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:24,586 INFO L895 garLoopResultBuilder]: At program point L430(lines 426 432) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:37:24,586 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 176) no Hoare annotation was computed. [2022-07-22 17:37:24,586 INFO L899 garLoopResultBuilder]: For program point L170-2(lines 170 176) no Hoare annotation was computed. [2022-07-22 17:37:24,587 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 462) no Hoare annotation was computed. [2022-07-22 17:37:24,587 INFO L899 garLoopResultBuilder]: For program point L455-2(lines 455 462) no Hoare annotation was computed. [2022-07-22 17:37:24,587 INFO L902 garLoopResultBuilder]: At program point L464(lines 445 467) the Hoare annotation is: true [2022-07-22 17:37:24,587 INFO L899 garLoopResultBuilder]: For program point L196(lines 195 242) no Hoare annotation was computed. [2022-07-22 17:37:24,587 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 267 278) no Hoare annotation was computed. [2022-07-22 17:37:24,587 INFO L899 garLoopResultBuilder]: For program point L271-1(lines 267 278) no Hoare annotation was computed. [2022-07-22 17:37:24,587 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 267 278) the Hoare annotation is: true [2022-07-22 17:37:24,591 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-07-22 17:37:24,595 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 17:37:24,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:37:24 BoogieIcfgContainer [2022-07-22 17:37:24,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 17:37:24,624 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 17:37:24,624 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 17:37:24,625 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 17:37:24,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:23" (3/4) ... [2022-07-22 17:37:24,627 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 17:37:24,631 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-22 17:37:24,631 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-22 17:37:24,631 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-22 17:37:24,631 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-22 17:37:24,631 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-22 17:37:24,649 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-07-22 17:37:24,649 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-22 17:37:24,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 17:37:24,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 17:37:24,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 17:37:24,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:37:24,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:37:24,672 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || \result == 0 [2022-07-22 17:37:24,695 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 17:37:24,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 17:37:24,697 INFO L158 Benchmark]: Toolchain (without parser) took 1881.47ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 95.4MB in the beginning and 97.7MB in the end (delta: -2.3MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2022-07-22 17:37:24,697 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:37:24,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.00ms. Allocated memory is still 130.0MB. Free memory was 95.1MB in the beginning and 96.1MB in the end (delta: -928.5kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 17:37:24,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.92ms. Allocated memory is still 130.0MB. Free memory was 96.1MB in the beginning and 94.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:37:24,699 INFO L158 Benchmark]: Boogie Preprocessor took 18.32ms. Allocated memory is still 130.0MB. Free memory was 94.0MB in the beginning and 92.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:37:24,699 INFO L158 Benchmark]: RCFGBuilder took 347.13ms. Allocated memory is still 130.0MB. Free memory was 92.4MB in the beginning and 77.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-22 17:37:24,699 INFO L158 Benchmark]: TraceAbstraction took 1039.70ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 77.2MB in the beginning and 101.9MB in the end (delta: -24.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-22 17:37:24,699 INFO L158 Benchmark]: Witness Printer took 71.39ms. Allocated memory is still 172.0MB. Free memory was 101.9MB in the beginning and 97.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 17:37:24,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.00ms. Allocated memory is still 130.0MB. Free memory was 95.1MB in the beginning and 96.1MB in the end (delta: -928.5kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.92ms. Allocated memory is still 130.0MB. Free memory was 96.1MB in the beginning and 94.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.32ms. Allocated memory is still 130.0MB. Free memory was 94.0MB in the beginning and 92.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 347.13ms. Allocated memory is still 130.0MB. Free memory was 92.4MB in the beginning and 77.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1039.70ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 77.2MB in the beginning and 101.9MB in the end (delta: -24.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 71.39ms. Allocated memory is still 172.0MB. Free memory was 101.9MB in the beginning and 97.7MB in the end (delta: 4.2MB). 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: 879]: 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, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 97 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 445 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 259 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 114 PreInvPairs, 137 NumberOfFragments, 103 HoareAnnotationTreeSize, 114 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 206 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 198 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || \result == 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-22 17:37:24,744 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