./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/bin/uautomizer-DQz5hQGWxF --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 589282c7075ad677d11d7e5d6747c3f882de49697a3649a6296f51163d1d51b5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:30:47,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:30:47,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:30:47,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:30:47,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:30:47,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:30:47,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:30:47,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:30:47,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:30:47,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:30:47,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:30:47,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:30:47,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:30:47,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:30:47,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:30:47,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:30:47,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:30:47,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:30:47,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:30:47,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:30:47,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:30:47,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:30:47,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:30:47,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:30:47,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:30:47,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:30:47,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:30:47,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:30:47,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:30:47,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:30:47,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:30:47,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:30:47,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:30:47,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:30:47,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:30:47,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:30:47,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:30:47,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:30:47,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:30:47,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:30:47,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:30:47,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 07:30:47,210 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:30:47,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:30:47,211 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:30:47,212 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:30:47,213 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:30:47,213 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:30:47,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:30:47,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:30:47,215 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:30:47,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:30:47,216 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:30:47,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:30:47,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:30:47,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:30:47,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:30:47,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:30:47,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:30:47,218 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:30:47,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:30:47,219 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:30:47,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:30:47,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:30:47,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:30:47,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:30:47,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:30:47,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:30:47,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:30:47,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:30:47,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:30:47,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:30:47,223 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:30:47,223 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:30:47,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:30:47,224 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:30:47,224 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 589282c7075ad677d11d7e5d6747c3f882de49697a3649a6296f51163d1d51b5 [2021-11-20 07:30:47,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:30:47,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:30:47,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:30:47,587 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:30:47,587 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:30:47,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2021-11-20 07:30:47,669 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/bin/uautomizer-DQz5hQGWxF/data/741ef9686/f9317c97d539452fa95d8cc8a088cf4f/FLAG63bcba1e0 [2021-11-20 07:30:48,294 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:30:48,295 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2021-11-20 07:30:48,310 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/bin/uautomizer-DQz5hQGWxF/data/741ef9686/f9317c97d539452fa95d8cc8a088cf4f/FLAG63bcba1e0 [2021-11-20 07:30:48,580 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/bin/uautomizer-DQz5hQGWxF/data/741ef9686/f9317c97d539452fa95d8cc8a088cf4f [2021-11-20 07:30:48,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:30:48,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:30:48,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:30:48,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:30:48,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:30:48,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:30:48" (1/1) ... [2021-11-20 07:30:48,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b963f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:48, skipping insertion in model container [2021-11-20 07:30:48,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:30:48" (1/1) ... [2021-11-20 07:30:48,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:30:48,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:30:48,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c[1605,1618] [2021-11-20 07:30:49,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:30:49,132 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:30:49,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c[1605,1618] [2021-11-20 07:30:49,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:30:49,239 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:30:49,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:49 WrapperNode [2021-11-20 07:30:49,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:30:49,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:30:49,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:30:49,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:30:49,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:49" (1/1) ... [2021-11-20 07:30:49,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:49" (1/1) ... [2021-11-20 07:30:49,302 INFO L137 Inliner]: procedures = 54, calls = 152, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 224 [2021-11-20 07:30:49,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:30:49,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:30:49,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:30:49,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:30:49,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:49" (1/1) ... [2021-11-20 07:30:49,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:49" (1/1) ... [2021-11-20 07:30:49,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:49" (1/1) ... [2021-11-20 07:30:49,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:49" (1/1) ... [2021-11-20 07:30:49,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:49" (1/1) ... [2021-11-20 07:30:49,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:49" (1/1) ... [2021-11-20 07:30:49,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:49" (1/1) ... [2021-11-20 07:30:49,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:30:49,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:30:49,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:30:49,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:30:49,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:49" (1/1) ... [2021-11-20 07:30:49,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:30:49,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:30:49,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:30:49,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:30:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:30:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-20 07:30:49,455 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-20 07:30:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-20 07:30:49,456 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-20 07:30:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-20 07:30:49,456 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-20 07:30:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-20 07:30:49,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-20 07:30:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-20 07:30:49,457 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-20 07:30:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-20 07:30:49,458 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-20 07:30:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:30:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-20 07:30:49,458 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-20 07:30:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:30:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:30:49,542 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:30:49,544 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:30:49,892 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:30:49,901 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:30:49,914 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 07:30:49,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:30:49 BoogieIcfgContainer [2021-11-20 07:30:49,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:30:49,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:30:49,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:30:49,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:30:49,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:30:48" (1/3) ... [2021-11-20 07:30:49,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d8155c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:30:49, skipping insertion in model container [2021-11-20 07:30:49,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:49" (2/3) ... [2021-11-20 07:30:49,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d8155c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:30:49, skipping insertion in model container [2021-11-20 07:30:49,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:30:49" (3/3) ... [2021-11-20 07:30:49,926 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product19.cil.c [2021-11-20 07:30:49,947 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:30:49,948 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:30:50,003 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:30:50,011 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 [2021-11-20 07:30:50,012 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:30:50,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 69 states have internal predecessors, (86), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-20 07:30:50,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 07:30:50,056 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:50,057 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] [2021-11-20 07:30:50,058 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:50,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:50,065 INFO L85 PathProgramCache]: Analyzing trace with hash 116265818, now seen corresponding path program 1 times [2021-11-20 07:30:50,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:50,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128982926] [2021-11-20 07:30:50,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:50,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-20 07:30:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:30:50,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:50,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128982926] [2021-11-20 07:30:50,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128982926] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:50,356 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:50,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:30:50,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025512308] [2021-11-20 07:30:50,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:50,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:30:50,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:50,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:30:50,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:30:50,399 INFO L87 Difference]: Start difference. First operand has 82 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 69 states have internal predecessors, (86), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) 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) [2021-11-20 07:30:50,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:50,433 INFO L93 Difference]: Finished difference Result 155 states and 210 transitions. [2021-11-20 07:30:50,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:30:50,435 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 [2021-11-20 07:30:50,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:50,445 INFO L225 Difference]: With dead ends: 155 [2021-11-20 07:30:50,445 INFO L226 Difference]: Without dead ends: 73 [2021-11-20 07:30:50,449 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 [2021-11-20 07:30:50,453 INFO L933 BasicCegarLoop]: 102 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, 102 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 [2021-11-20 07:30:50,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:30:50,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-11-20 07:30:50,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-11-20 07:30:50,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 55 states have (on average 1.309090909090909) internal successors, (72), 61 states have internal predecessors, (72), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2021-11-20 07:30:50,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2021-11-20 07:30:50,504 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 25 [2021-11-20 07:30:50,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:50,505 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2021-11-20 07:30:50,506 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) [2021-11-20 07:30:50,506 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2021-11-20 07:30:50,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-20 07:30:50,509 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:50,509 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] [2021-11-20 07:30:50,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:30:50,510 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:50,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:50,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1218551415, now seen corresponding path program 1 times [2021-11-20 07:30:50,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:50,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230180218] [2021-11-20 07:30:50,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:50,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:30:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:30:50,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:50,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230180218] [2021-11-20 07:30:50,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230180218] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:50,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:50,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:30:50,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689367984] [2021-11-20 07:30:50,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:50,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:30:50,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:50,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:30:50,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:30:50,609 INFO L87 Difference]: Start difference. First operand 73 states and 93 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) [2021-11-20 07:30:50,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:50,632 INFO L93 Difference]: Finished difference Result 107 states and 135 transitions. [2021-11-20 07:30:50,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:30:50,639 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 [2021-11-20 07:30:50,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:50,643 INFO L225 Difference]: With dead ends: 107 [2021-11-20 07:30:50,643 INFO L226 Difference]: Without dead ends: 64 [2021-11-20 07:30:50,645 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 [2021-11-20 07:30:50,646 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 16 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 139 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 [2021-11-20 07:30:50,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 139 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:30:50,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-11-20 07:30:50,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-11-20 07:30:50,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 55 states have internal predecessors, (65), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-20 07:30:50,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2021-11-20 07:30:50,661 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 26 [2021-11-20 07:30:50,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:50,661 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2021-11-20 07:30:50,662 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) [2021-11-20 07:30:50,662 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2021-11-20 07:30:50,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-20 07:30:50,663 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:50,664 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:50,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:30:50,664 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:50,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:50,665 INFO L85 PathProgramCache]: Analyzing trace with hash 603258873, now seen corresponding path program 1 times [2021-11-20 07:30:50,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:50,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984730779] [2021-11-20 07:30:50,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:50,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:30:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:50,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:30:50,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:50,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984730779] [2021-11-20 07:30:50,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984730779] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:50,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:50,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:30:50,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123592103] [2021-11-20 07:30:50,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:50,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:30:50,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:50,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:30:50,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:30:50,851 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 07:30:51,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:51,102 INFO L93 Difference]: Finished difference Result 218 states and 284 transitions. [2021-11-20 07:30:51,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:30:51,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-11-20 07:30:51,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:51,111 INFO L225 Difference]: With dead ends: 218 [2021-11-20 07:30:51,116 INFO L226 Difference]: Without dead ends: 162 [2021-11-20 07:30:51,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:30:51,118 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 217 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:51,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 391 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 07:30:51,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-11-20 07:30:51,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2021-11-20 07:30:51,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 117 states have (on average 1.3675213675213675) internal successors, (160), 131 states have internal predecessors, (160), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (22), 15 states have call predecessors, (22), 21 states have call successors, (22) [2021-11-20 07:30:51,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 203 transitions. [2021-11-20 07:30:51,167 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 203 transitions. Word has length 30 [2021-11-20 07:30:51,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:51,167 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 203 transitions. [2021-11-20 07:30:51,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 07:30:51,168 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 203 transitions. [2021-11-20 07:30:51,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-20 07:30:51,170 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:51,170 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] [2021-11-20 07:30:51,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:30:51,170 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:51,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:51,171 INFO L85 PathProgramCache]: Analyzing trace with hash -820315312, now seen corresponding path program 1 times [2021-11-20 07:30:51,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:51,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974620796] [2021-11-20 07:30:51,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:51,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:51,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:30:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:51,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:30:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:51,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:30:51,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:51,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974620796] [2021-11-20 07:30:51,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974620796] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:51,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:51,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:30:51,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031584021] [2021-11-20 07:30:51,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:51,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:30:51,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:51,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:30:51,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:30:51,263 INFO L87 Difference]: Start difference. First operand 156 states and 203 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 07:30:51,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:51,387 INFO L93 Difference]: Finished difference Result 450 states and 597 transitions. [2021-11-20 07:30:51,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:30:51,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2021-11-20 07:30:51,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:51,393 INFO L225 Difference]: With dead ends: 450 [2021-11-20 07:30:51,396 INFO L226 Difference]: Without dead ends: 302 [2021-11-20 07:30:51,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:30:51,402 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 51 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:51,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 389 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:30:51,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-11-20 07:30:51,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 293. [2021-11-20 07:30:51,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 216 states have (on average 1.3425925925925926) internal successors, (290), 243 states have internal predecessors, (290), 42 states have call successors, (42), 34 states have call predecessors, (42), 34 states have return successors, (47), 30 states have call predecessors, (47), 42 states have call successors, (47) [2021-11-20 07:30:51,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 379 transitions. [2021-11-20 07:30:51,504 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 379 transitions. Word has length 35 [2021-11-20 07:30:51,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:51,505 INFO L470 AbstractCegarLoop]: Abstraction has 293 states and 379 transitions. [2021-11-20 07:30:51,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 07:30:51,505 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 379 transitions. [2021-11-20 07:30:51,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-20 07:30:51,515 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:51,516 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:51,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:30:51,516 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:51,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:51,517 INFO L85 PathProgramCache]: Analyzing trace with hash -64139020, now seen corresponding path program 1 times [2021-11-20 07:30:51,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:51,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085318426] [2021-11-20 07:30:51,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:51,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:51,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:30:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:51,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 07:30:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:51,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 07:30:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:51,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:30:51,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:51,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085318426] [2021-11-20 07:30:51,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085318426] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:51,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:51,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:30:51,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492322172] [2021-11-20 07:30:51,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:51,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:30:51,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:51,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:30:51,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:30:51,659 INFO L87 Difference]: Start difference. First operand 293 states and 379 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 07:30:51,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:51,824 INFO L93 Difference]: Finished difference Result 518 states and 675 transitions. [2021-11-20 07:30:51,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:30:51,824 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2021-11-20 07:30:51,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:51,825 INFO L225 Difference]: With dead ends: 518 [2021-11-20 07:30:51,826 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 07:30:51,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:30:51,830 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 50 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:51,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 138 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:30:51,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 07:30:51,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 07:30:51,832 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) [2021-11-20 07:30:51,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 07:30:51,832 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-11-20 07:30:51,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:51,833 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:30:51,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 07:30:51,833 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 07:30:51,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 07:30:51,837 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 07:30:51,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:30:51,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 07:30:52,504 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 736 743) the Hoare annotation is: true [2021-11-20 07:30:52,505 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 736 743) no Hoare annotation was computed. [2021-11-20 07:30:52,505 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 736 743) no Hoare annotation was computed. [2021-11-20 07:30:52,505 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 695 701) no Hoare annotation was computed. [2021-11-20 07:30:52,505 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 695 701) the Hoare annotation is: true [2021-11-20 07:30:52,505 INFO L858 garLoopResultBuilder]: For program point L462-1(lines 458 469) no Hoare annotation was computed. [2021-11-20 07:30:52,505 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 458 469) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-11-20 07:30:52,506 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 458 469) no Hoare annotation was computed. [2021-11-20 07:30:52,506 INFO L854 garLoopResultBuilder]: At program point L717(line 717) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 07:30:52,506 INFO L854 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 07:30:52,506 INFO L858 garLoopResultBuilder]: For program point L647(lines 647 657) no Hoare annotation was computed. [2021-11-20 07:30:52,506 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 671 694) no Hoare annotation was computed. [2021-11-20 07:30:52,507 INFO L858 garLoopResultBuilder]: For program point L643(lines 643 660) no Hoare annotation was computed. [2021-11-20 07:30:52,507 INFO L854 garLoopResultBuilder]: At program point L643-1(lines 635 663) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~4#1| 0) (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= ~pumpRunning~0 0)))) [2021-11-20 07:30:52,507 INFO L854 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2021-11-20 07:30:52,507 INFO L854 garLoopResultBuilder]: At program point L722-1(lines 703 727) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2021-11-20 07:30:52,507 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 813) no Hoare annotation was computed. [2021-11-20 07:30:52,508 INFO L858 garLoopResultBuilder]: For program point L648(lines 648 654) no Hoare annotation was computed. [2021-11-20 07:30:52,508 INFO L858 garLoopResultBuilder]: For program point L809-2(lines 809 813) no Hoare annotation was computed. [2021-11-20 07:30:52,508 INFO L854 garLoopResultBuilder]: At program point L516(lines 511 519) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 07:30:52,508 INFO L854 garLoopResultBuilder]: At program point L760(lines 755 763) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2021-11-20 07:30:52,508 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2021-11-20 07:30:52,508 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-11-20 07:30:52,509 INFO L854 garLoopResultBuilder]: At program point L438-2(lines 434 445) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 07:30:52,509 INFO L858 garLoopResultBuilder]: For program point L682-1(lines 682 688) no Hoare annotation was computed. [2021-11-20 07:30:52,509 INFO L858 garLoopResultBuilder]: For program point L711(lines 711 719) no Hoare annotation was computed. [2021-11-20 07:30:52,509 INFO L858 garLoopResultBuilder]: For program point L707(lines 707 724) no Hoare annotation was computed. [2021-11-20 07:30:52,509 INFO L854 garLoopResultBuilder]: At program point L641(line 641) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-20 07:30:52,510 INFO L858 garLoopResultBuilder]: For program point L641-1(line 641) no Hoare annotation was computed. [2021-11-20 07:30:52,510 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 07:30:52,510 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 671 694) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-20 07:30:52,510 INFO L854 garLoopResultBuilder]: At program point L815(lines 800 818) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 07:30:52,510 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 671 694) no Hoare annotation was computed. [2021-11-20 07:30:52,511 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-20 07:30:52,511 INFO L858 garLoopResultBuilder]: For program point L675-1(lines 674 693) no Hoare annotation was computed. [2021-11-20 07:30:52,511 INFO L858 garLoopResultBuilder]: For program point L544(line 544) no Hoare annotation was computed. [2021-11-20 07:30:52,511 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 523 552) no Hoare annotation was computed. [2021-11-20 07:30:52,511 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 523 552) the Hoare annotation is: true [2021-11-20 07:30:52,511 INFO L858 garLoopResultBuilder]: For program point L537(lines 537 541) no Hoare annotation was computed. [2021-11-20 07:30:52,512 INFO L861 garLoopResultBuilder]: At program point L537-1(lines 537 541) the Hoare annotation is: true [2021-11-20 07:30:52,512 INFO L858 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2021-11-20 07:30:52,512 INFO L861 garLoopResultBuilder]: At program point L533-2(lines 533 547) the Hoare annotation is: true [2021-11-20 07:30:52,512 INFO L861 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: true [2021-11-20 07:30:52,512 INFO L858 garLoopResultBuilder]: For program point L529-1(line 529) no Hoare annotation was computed. [2021-11-20 07:30:52,513 INFO L861 garLoopResultBuilder]: At program point L548(lines 523 552) the Hoare annotation is: true [2021-11-20 07:30:52,513 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 470 478) the Hoare annotation is: true [2021-11-20 07:30:52,513 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 470 478) no Hoare annotation was computed. [2021-11-20 07:30:52,513 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 470 478) no Hoare annotation was computed. [2021-11-20 07:30:52,513 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 871) no Hoare annotation was computed. [2021-11-20 07:30:52,513 INFO L858 garLoopResultBuilder]: For program point L865-1(lines 865 871) no Hoare annotation was computed. [2021-11-20 07:30:52,514 INFO L854 garLoopResultBuilder]: At program point L890(lines 845 892) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 07:30:52,514 INFO L854 garLoopResultBuilder]: At program point L857(line 857) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 07:30:52,514 INFO L854 garLoopResultBuilder]: At program point L932(lines 927 935) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-11-20 07:30:52,514 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 07:30:52,514 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 07:30:52,514 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 07:30:52,515 INFO L854 garLoopResultBuilder]: At program point L924(lines 920 926) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-20 07:30:52,515 INFO L854 garLoopResultBuilder]: At program point L825(line 825) the Hoare annotation is: false [2021-11-20 07:30:52,515 INFO L858 garLoopResultBuilder]: For program point L846(lines 845 892) no Hoare annotation was computed. [2021-11-20 07:30:52,515 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 888) no Hoare annotation was computed. [2021-11-20 07:30:52,515 INFO L854 garLoopResultBuilder]: At program point L582(lines 578 584) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-11-20 07:30:52,516 INFO L858 garLoopResultBuilder]: For program point L611(lines 611 618) no Hoare annotation was computed. [2021-11-20 07:30:52,516 INFO L854 garLoopResultBuilder]: At program point L867(line 867) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 07:30:52,516 INFO L858 garLoopResultBuilder]: For program point L611-2(lines 611 618) no Hoare annotation was computed. [2021-11-20 07:30:52,516 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 07:30:52,516 INFO L861 garLoopResultBuilder]: At program point L896(lines 835 900) the Hoare annotation is: true [2021-11-20 07:30:52,516 INFO L854 garLoopResultBuilder]: At program point L632(lines 627 634) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-11-20 07:30:52,517 INFO L858 garLoopResultBuilder]: For program point L855(lines 855 861) no Hoare annotation was computed. [2021-11-20 07:30:52,517 INFO L858 garLoopResultBuilder]: For program point L855-1(lines 855 861) no Hoare annotation was computed. [2021-11-20 07:30:52,517 INFO L854 garLoopResultBuilder]: At program point L917(lines 913 919) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-20 07:30:52,517 INFO L861 garLoopResultBuilder]: At program point L595(lines 587 597) the Hoare annotation is: true [2021-11-20 07:30:52,517 INFO L858 garLoopResultBuilder]: For program point L847(lines 847 851) no Hoare annotation was computed. [2021-11-20 07:30:52,517 INFO L861 garLoopResultBuilder]: At program point L620(lines 601 623) the Hoare annotation is: true [2021-11-20 07:30:52,518 INFO L854 garLoopResultBuilder]: At program point L831(lines 819 833) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 07:30:52,518 INFO L854 garLoopResultBuilder]: At program point L893(lines 844 894) the Hoare annotation is: false [2021-11-20 07:30:52,518 INFO L858 garLoopResultBuilder]: For program point L823(lines 823 829) no Hoare annotation was computed. [2021-11-20 07:30:52,518 INFO L858 garLoopResultBuilder]: For program point L823-1(lines 823 829) no Hoare annotation was computed. [2021-11-20 07:30:52,518 INFO L858 garLoopResultBuilder]: For program point L881(lines 881 887) no Hoare annotation was computed. [2021-11-20 07:30:52,518 INFO L854 garLoopResultBuilder]: At program point L881-2(lines 875 888) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 07:30:52,519 INFO L858 garLoopResultBuilder]: For program point L450-1(lines 446 457) no Hoare annotation was computed. [2021-11-20 07:30:52,519 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 446 457) no Hoare annotation was computed. [2021-11-20 07:30:52,519 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 446 457) the Hoare annotation is: true [2021-11-20 07:30:52,523 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-20 07:30:52,525 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:30:52,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:30:52 BoogieIcfgContainer [2021-11-20 07:30:52,547 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:30:52,548 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:30:52,548 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:30:52,548 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:30:52,549 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:30:49" (3/4) ... [2021-11-20 07:30:52,552 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 07:30:52,560 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-20 07:30:52,560 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-20 07:30:52,560 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-20 07:30:52,560 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-20 07:30:52,561 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-20 07:30:52,561 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-20 07:30:52,561 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-20 07:30:52,572 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2021-11-20 07:30:52,573 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-20 07:30:52,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-20 07:30:52,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-20 07:30:52,575 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 07:30:52,576 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 07:30:52,576 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 07:30:52,605 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2021-11-20 07:30:52,605 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2021-11-20 07:30:52,605 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2021-11-20 07:30:52,607 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-20 07:30:52,607 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2021-11-20 07:30:52,608 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) [2021-11-20 07:30:52,609 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2021-11-20 07:30:52,609 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-20 07:30:52,610 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-20 07:30:52,610 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-20 07:30:52,642 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 07:30:52,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:30:52,643 INFO L158 Benchmark]: Toolchain (without parser) took 4055.69ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 55.6MB in the beginning and 43.2MB in the end (delta: 12.4MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2021-11-20 07:30:52,644 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory was 63.1MB in the beginning and 63.1MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:30:52,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 651.17ms. Allocated memory is still 90.2MB. Free memory was 55.2MB in the beginning and 59.1MB in the end (delta: -3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:30:52,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.55ms. Allocated memory is still 90.2MB. Free memory was 59.1MB in the beginning and 56.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:30:52,645 INFO L158 Benchmark]: Boogie Preprocessor took 49.23ms. Allocated memory is still 90.2MB. Free memory was 56.7MB in the beginning and 55.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:30:52,646 INFO L158 Benchmark]: RCFGBuilder took 562.96ms. Allocated memory is still 90.2MB. Free memory was 55.3MB in the beginning and 39.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 07:30:52,646 INFO L158 Benchmark]: TraceAbstraction took 2628.74ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 39.3MB in the beginning and 48.6MB in the end (delta: -9.3MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2021-11-20 07:30:52,647 INFO L158 Benchmark]: Witness Printer took 94.69ms. Allocated memory is still 109.1MB. Free memory was 48.6MB in the beginning and 43.2MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:30:52,649 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory was 63.1MB in the beginning and 63.1MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 651.17ms. Allocated memory is still 90.2MB. Free memory was 55.2MB in the beginning and 59.1MB in the end (delta: -3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.55ms. Allocated memory is still 90.2MB. Free memory was 59.1MB in the beginning and 56.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.23ms. Allocated memory is still 90.2MB. Free memory was 56.7MB in the beginning and 55.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 562.96ms. Allocated memory is still 90.2MB. Free memory was 55.3MB in the beginning and 39.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2628.74ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 39.3MB in the beginning and 48.6MB in the end (delta: -9.3MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * Witness Printer took 94.69ms. Allocated memory is still 109.1MB. Free memory was 48.6MB in the beginning and 43.2MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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 8 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 341 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 334 mSDsluCounter, 1159 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 740 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 419 mSDtfsCounter, 181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=293occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 371 PreInvPairs, 437 NumberOfFragments, 231 HoareAnnotationTreeSize, 371 FomulaSimplifications, 52 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 37 FomulaSimplificationsInter, 1827 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 315 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: 845]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-20 07:30:52,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4120256-aeb4-4840-9b21-a302dd5e8609/bin/uautomizer-DQz5hQGWxF/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