./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e01857c-b32f-4353-86ad-75dbda48a98a/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e01857c-b32f-4353-86ad-75dbda48a98a/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e01857c-b32f-4353-86ad-75dbda48a98a/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e01857c-b32f-4353-86ad-75dbda48a98a/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e01857c-b32f-4353-86ad-75dbda48a98a/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e01857c-b32f-4353-86ad-75dbda48a98a/bin/uautomizer-DrprNOufMa --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 0d9ebbb30768a2034911923a47ec23b508893488073d6c966da0671a59e428a3 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:34:50,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:34:50,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:34:50,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:34:50,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:34:50,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:34:50,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:34:50,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:34:50,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:34:50,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:34:50,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:34:50,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:34:50,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:34:50,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:34:50,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:34:50,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:34:50,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:34:50,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:34:50,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:34:50,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:34:50,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:34:50,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:34:50,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:34:50,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:34:50,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:34:50,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:34:50,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:34:50,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:34:50,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:34:50,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:34:50,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:34:50,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:34:50,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:34:50,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:34:50,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:34:50,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:34:50,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:34:50,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:34:50,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:34:50,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:34:50,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:34:50,245 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e01857c-b32f-4353-86ad-75dbda48a98a/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 01:34:50,263 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:34:50,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:34:50,263 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:34:50,263 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:34:50,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:34:50,264 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:34:50,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:34:50,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:34:50,265 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:34:50,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:34:50,265 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 01:34:50,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:34:50,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 01:34:50,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:34:50,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:34:50,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:34:50,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:34:50,266 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 01:34:50,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:34:50,266 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:34:50,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:34:50,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:34:50,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:34:50,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:34:50,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:34:50,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:34:50,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:34:50,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:34:50,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:34:50,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:34:50,267 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:34:50,267 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:34:50,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:34:50,267 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:34:50,267 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_8e01857c-b32f-4353-86ad-75dbda48a98a/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e01857c-b32f-4353-86ad-75dbda48a98a/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d9ebbb30768a2034911923a47ec23b508893488073d6c966da0671a59e428a3 [2021-12-07 01:34:50,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:34:50,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:34:50,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:34:50,462 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:34:50,463 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:34:50,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e01857c-b32f-4353-86ad-75dbda48a98a/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2021-12-07 01:34:50,505 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e01857c-b32f-4353-86ad-75dbda48a98a/bin/uautomizer-DrprNOufMa/data/d1079da10/3e37f68b1e504786b15b6588eefa57d1/FLAGc8b9e96d5 [2021-12-07 01:34:50,916 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:34:50,917 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e01857c-b32f-4353-86ad-75dbda48a98a/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2021-12-07 01:34:50,927 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e01857c-b32f-4353-86ad-75dbda48a98a/bin/uautomizer-DrprNOufMa/data/d1079da10/3e37f68b1e504786b15b6588eefa57d1/FLAGc8b9e96d5 [2021-12-07 01:34:50,937 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e01857c-b32f-4353-86ad-75dbda48a98a/bin/uautomizer-DrprNOufMa/data/d1079da10/3e37f68b1e504786b15b6588eefa57d1 [2021-12-07 01:34:50,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:34:50,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:34:50,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:34:50,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:34:50,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:34:50,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:34:50" (1/1) ... [2021-12-07 01:34:50,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626360c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:34:50, skipping insertion in model container [2021-12-07 01:34:50,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:34:50" (1/1) ... [2021-12-07 01:34:50,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:34:50,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:34:51,154 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_8e01857c-b32f-4353-86ad-75dbda48a98a/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c[16435,16448] [2021-12-07 01:34:51,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:34:51,169 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:34:51,214 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_8e01857c-b32f-4353-86ad-75dbda48a98a/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c[16435,16448] [2021-12-07 01:34:51,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:34:51,234 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:34:51,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:34:51 WrapperNode [2021-12-07 01:34:51,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:34:51,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:34:51,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:34:51,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:34:51,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:34:51" (1/1) ... [2021-12-07 01:34:51,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:34:51" (1/1) ... [2021-12-07 01:34:51,285 INFO L137 Inliner]: procedures = 53, calls = 150, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 216 [2021-12-07 01:34:51,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:34:51,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:34:51,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:34:51,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:34:51,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:34:51" (1/1) ... [2021-12-07 01:34:51,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:34:51" (1/1) ... [2021-12-07 01:34:51,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:34:51" (1/1) ... [2021-12-07 01:34:51,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:34:51" (1/1) ... [2021-12-07 01:34:51,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:34:51" (1/1) ... [2021-12-07 01:34:51,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:34:51" (1/1) ... [2021-12-07 01:34:51,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:34:51" (1/1) ... [2021-12-07 01:34:51,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:34:51,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:34:51,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:34:51,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:34:51,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:34:51" (1/1) ... [2021-12-07 01:34:51,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:34:51,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e01857c-b32f-4353-86ad-75dbda48a98a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:34:51,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e01857c-b32f-4353-86ad-75dbda48a98a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:34:51,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e01857c-b32f-4353-86ad-75dbda48a98a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:34:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:34:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-07 01:34:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-07 01:34:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-07 01:34:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-07 01:34:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-07 01:34:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-07 01:34:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-07 01:34:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-07 01:34:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-07 01:34:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-07 01:34:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:34:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-07 01:34:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-07 01:34:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:34:51,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:34:51,442 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:34:51,443 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:34:51,669 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:34:51,675 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:34:51,675 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-07 01:34:51,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:34:51 BoogieIcfgContainer [2021-12-07 01:34:51,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:34:51,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:34:51,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:34:51,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:34:51,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:34:50" (1/3) ... [2021-12-07 01:34:51,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e9c554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:34:51, skipping insertion in model container [2021-12-07 01:34:51,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:34:51" (2/3) ... [2021-12-07 01:34:51,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e9c554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:34:51, skipping insertion in model container [2021-12-07 01:34:51,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:34:51" (3/3) ... [2021-12-07 01:34:51,682 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2021-12-07 01:34:51,686 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:34:51,686 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:34:51,722 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:34:51,727 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 01:34:51,727 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 01:34:51,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 63 states have internal predecessors, (79), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-07 01:34:51,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-07 01:34:51,746 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:34:51,747 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:34:51,747 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:34:51,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:34:51,752 INFO L85 PathProgramCache]: Analyzing trace with hash 734159136, now seen corresponding path program 1 times [2021-12-07 01:34:51,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:34:51,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759215804] [2021-12-07 01:34:51,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:34:51,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:34:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:51,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:34:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:51,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:34:51,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:34:51,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759215804] [2021-12-07 01:34:51,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759215804] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:34:51,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:34:51,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:34:51,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893283537] [2021-12-07 01:34:51,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:34:51,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 01:34:51,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:34:51,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 01:34:51,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:34:51,934 INFO L87 Difference]: Start difference. First operand has 74 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 63 states have internal predecessors, (79), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:34:51,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:34:51,956 INFO L93 Difference]: Finished difference Result 140 states and 189 transitions. [2021-12-07 01:34:51,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 01:34:51,958 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-12-07 01:34:51,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:34:51,964 INFO L225 Difference]: With dead ends: 140 [2021-12-07 01:34:51,964 INFO L226 Difference]: Without dead ends: 65 [2021-12-07 01:34:51,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:34:51,970 INFO L933 BasicCegarLoop]: 91 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, 91 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:34:51,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:34:51,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-12-07 01:34:51,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-12-07 01:34:51,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 50 states have (on average 1.3) internal successors, (65), 55 states have internal predecessors, (65), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-07 01:34:52,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2021-12-07 01:34:52,002 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 23 [2021-12-07 01:34:52,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:34:52,002 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2021-12-07 01:34:52,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:34:52,003 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2021-12-07 01:34:52,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-07 01:34:52,005 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:34:52,005 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:34:52,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:34:52,005 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:34:52,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:34:52,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1529571606, now seen corresponding path program 1 times [2021-12-07 01:34:52,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:34:52,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752712407] [2021-12-07 01:34:52,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:34:52,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:34:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:52,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-07 01:34:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:52,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:34:52,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:34:52,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752712407] [2021-12-07 01:34:52,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752712407] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:34:52,062 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:34:52,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:34:52,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427880145] [2021-12-07 01:34:52,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:34:52,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:34:52,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:34:52,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:34:52,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:34:52,064 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:34:52,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:34:52,075 INFO L93 Difference]: Finished difference Result 95 states and 119 transitions. [2021-12-07 01:34:52,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:34:52,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-12-07 01:34:52,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:34:52,076 INFO L225 Difference]: With dead ends: 95 [2021-12-07 01:34:52,076 INFO L226 Difference]: Without dead ends: 56 [2021-12-07 01:34:52,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:34:52,078 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 13 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:34:52,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:34:52,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-12-07 01:34:52,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2021-12-07 01:34:52,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 49 states have internal predecessors, (58), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-07 01:34:52,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2021-12-07 01:34:52,086 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 24 [2021-12-07 01:34:52,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:34:52,086 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2021-12-07 01:34:52,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:34:52,086 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2021-12-07 01:34:52,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-07 01:34:52,087 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:34:52,087 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:34:52,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:34:52,088 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:34:52,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:34:52,088 INFO L85 PathProgramCache]: Analyzing trace with hash 434754844, now seen corresponding path program 1 times [2021-12-07 01:34:52,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:34:52,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033129416] [2021-12-07 01:34:52,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:34:52,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:34:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:52,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:34:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:52,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:34:52,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:34:52,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033129416] [2021-12-07 01:34:52,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033129416] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:34:52,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:34:52,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:34:52,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485235151] [2021-12-07 01:34:52,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:34:52,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:34:52,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:34:52,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:34:52,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:34:52,172 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:34:52,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:34:52,189 INFO L93 Difference]: Finished difference Result 105 states and 134 transitions. [2021-12-07 01:34:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:34:52,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 29 [2021-12-07 01:34:52,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:34:52,191 INFO L225 Difference]: With dead ends: 105 [2021-12-07 01:34:52,191 INFO L226 Difference]: Without dead ends: 56 [2021-12-07 01:34:52,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:34:52,194 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:34:52,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 68 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:34:52,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-12-07 01:34:52,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2021-12-07 01:34:52,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 49 states have internal predecessors, (57), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-07 01:34:52,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 69 transitions. [2021-12-07 01:34:52,204 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 69 transitions. Word has length 29 [2021-12-07 01:34:52,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:34:52,204 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 69 transitions. [2021-12-07 01:34:52,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:34:52,204 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2021-12-07 01:34:52,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-07 01:34:52,205 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:34:52,206 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] [2021-12-07 01:34:52,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:34:52,206 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:34:52,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:34:52,206 INFO L85 PathProgramCache]: Analyzing trace with hash -863748242, now seen corresponding path program 1 times [2021-12-07 01:34:52,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:34:52,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802839834] [2021-12-07 01:34:52,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:34:52,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:34:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:52,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:34:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:52,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:34:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:52,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:34:52,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:34:52,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802839834] [2021-12-07 01:34:52,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802839834] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:34:52,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:34:52,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:34:52,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540263645] [2021-12-07 01:34:52,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:34:52,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:34:52,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:34:52,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:34:52,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:34:52,292 INFO L87 Difference]: Start difference. First operand 56 states and 69 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-12-07 01:34:52,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:34:52,372 INFO L93 Difference]: Finished difference Result 153 states and 195 transitions. [2021-12-07 01:34:52,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:34:52,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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 34 [2021-12-07 01:34:52,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:34:52,374 INFO L225 Difference]: With dead ends: 153 [2021-12-07 01:34:52,374 INFO L226 Difference]: Without dead ends: 104 [2021-12-07 01:34:52,375 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 [2021-12-07 01:34:52,377 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 41 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:34:52,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 326 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:34:52,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-12-07 01:34:52,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2021-12-07 01:34:52,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 78 states have (on average 1.294871794871795) internal successors, (101), 87 states have internal predecessors, (101), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (13), 10 states have call predecessors, (13), 12 states have call successors, (13) [2021-12-07 01:34:52,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 126 transitions. [2021-12-07 01:34:52,398 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 126 transitions. Word has length 34 [2021-12-07 01:34:52,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:34:52,398 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 126 transitions. [2021-12-07 01:34:52,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-12-07 01:34:52,399 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 126 transitions. [2021-12-07 01:34:52,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-07 01:34:52,400 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:34:52,401 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] [2021-12-07 01:34:52,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 01:34:52,401 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:34:52,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:34:52,402 INFO L85 PathProgramCache]: Analyzing trace with hash 263176306, now seen corresponding path program 1 times [2021-12-07 01:34:52,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:34:52,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043221584] [2021-12-07 01:34:52,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:34:52,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:34:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:52,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:34:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:52,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-07 01:34:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:52,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-07 01:34:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:52,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:34:52,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:34:52,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043221584] [2021-12-07 01:34:52,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043221584] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:34:52,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:34:52,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:34:52,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293626721] [2021-12-07 01:34:52,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:34:52,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:34:52,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:34:52,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:34:52,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:34:52,476 INFO L87 Difference]: Start difference. First operand 101 states and 126 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (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) [2021-12-07 01:34:52,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:34:52,557 INFO L93 Difference]: Finished difference Result 178 states and 223 transitions. [2021-12-07 01:34:52,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:34:52,557 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (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 38 [2021-12-07 01:34:52,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:34:52,558 INFO L225 Difference]: With dead ends: 178 [2021-12-07 01:34:52,558 INFO L226 Difference]: Without dead ends: 0 [2021-12-07 01:34:52,560 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 [2021-12-07 01:34:52,561 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 45 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:34:52,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 129 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:34:52,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-07 01:34:52,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-07 01:34:52,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:34:52,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-07 01:34:52,563 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2021-12-07 01:34:52,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:34:52,563 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:34:52,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (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) [2021-12-07 01:34:52,563 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-07 01:34:52,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-07 01:34:52,566 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 01:34:52,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 01:34:52,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-07 01:34:52,803 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 251 257) no Hoare annotation was computed. [2021-12-07 01:34:52,803 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 251 257) the Hoare annotation is: true [2021-12-07 01:34:52,803 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 853 864) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-12-07 01:34:52,803 INFO L858 garLoopResultBuilder]: For program point L857-1(lines 853 864) no Hoare annotation was computed. [2021-12-07 01:34:52,804 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 853 864) no Hoare annotation was computed. [2021-12-07 01:34:52,804 INFO L854 garLoopResultBuilder]: At program point L316(lines 311 319) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2021-12-07 01:34:52,804 INFO L854 garLoopResultBuilder]: At program point L911(lines 906 914) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-07 01:34:52,804 INFO L858 garLoopResultBuilder]: For program point L238-1(lines 238 244) no Hoare annotation was computed. [2021-12-07 01:34:52,804 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 275) no Hoare annotation was computed. [2021-12-07 01:34:52,804 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 280) no Hoare annotation was computed. [2021-12-07 01:34:52,804 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 227 250) no Hoare annotation was computed. [2021-12-07 01:34:52,804 INFO L858 garLoopResultBuilder]: For program point L833(lines 833 837) no Hoare annotation was computed. [2021-12-07 01:34:52,804 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-12-07 01:34:52,805 INFO L854 garLoopResultBuilder]: At program point L833-2(lines 829 840) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-07 01:34:52,805 INFO L858 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2021-12-07 01:34:52,805 INFO L854 garLoopResultBuilder]: At program point L61-1(lines 53 77) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2021-12-07 01:34:52,805 INFO L858 garLoopResultBuilder]: For program point L821(line 821) no Hoare annotation was computed. [2021-12-07 01:34:52,805 INFO L854 garLoopResultBuilder]: At program point L371(lines 356 374) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-07 01:34:52,805 INFO L854 garLoopResultBuilder]: At program point L297(lines 292 299) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-07 01:34:52,805 INFO L858 garLoopResultBuilder]: For program point L231-1(lines 230 249) no Hoare annotation was computed. [2021-12-07 01:34:52,805 INFO L854 garLoopResultBuilder]: At program point L822(lines 817 824) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-07 01:34:52,805 INFO L854 garLoopResultBuilder]: At program point L273(line 273) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-07 01:34:52,806 INFO L854 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-07 01:34:52,806 INFO L858 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2021-12-07 01:34:52,806 INFO L854 garLoopResultBuilder]: At program point L278(line 278) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-07 01:34:52,806 INFO L854 garLoopResultBuilder]: At program point L278-1(lines 259 283) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-07 01:34:52,806 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 227 250) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-07 01:34:52,806 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 369) no Hoare annotation was computed. [2021-12-07 01:34:52,806 INFO L858 garLoopResultBuilder]: For program point L365-2(lines 365 369) no Hoare annotation was computed. [2021-12-07 01:34:52,806 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 227 250) no Hoare annotation was computed. [2021-12-07 01:34:52,807 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 821) no Hoare annotation was computed. [2021-12-07 01:34:52,807 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 119 148) no Hoare annotation was computed. [2021-12-07 01:34:52,807 INFO L861 garLoopResultBuilder]: At program point L129-2(lines 129 143) the Hoare annotation is: true [2021-12-07 01:34:52,807 INFO L861 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: true [2021-12-07 01:34:52,807 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 119 148) the Hoare annotation is: true [2021-12-07 01:34:52,807 INFO L858 garLoopResultBuilder]: For program point L125-1(line 125) no Hoare annotation was computed. [2021-12-07 01:34:52,807 INFO L861 garLoopResultBuilder]: At program point L144(lines 119 148) the Hoare annotation is: true [2021-12-07 01:34:52,807 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-07 01:34:52,807 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2021-12-07 01:34:52,807 INFO L861 garLoopResultBuilder]: At program point L133-1(lines 133 137) the Hoare annotation is: true [2021-12-07 01:34:52,808 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-07 01:34:52,808 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 865 873) the Hoare annotation is: true [2021-12-07 01:34:52,808 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 865 873) no Hoare annotation was computed. [2021-12-07 01:34:52,808 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 865 873) no Hoare annotation was computed. [2021-12-07 01:34:52,808 INFO L854 garLoopResultBuilder]: At program point L97(lines 93 99) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-07 01:34:52,808 INFO L861 garLoopResultBuilder]: At program point L213(lines 194 216) the Hoare annotation is: true [2021-12-07 01:34:52,808 INFO L854 garLoopResultBuilder]: At program point L180(lines 176 182) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-07 01:34:52,808 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-12-07 01:34:52,808 INFO L854 garLoopResultBuilder]: At program point L432-2(lines 424 437) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 01:34:52,808 INFO L858 garLoopResultBuilder]: For program point L395(lines 394 441) no Hoare annotation was computed. [2021-12-07 01:34:52,809 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 437) no Hoare annotation was computed. [2021-12-07 01:34:52,809 INFO L854 garLoopResultBuilder]: At program point L416(line 416) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 01:34:52,809 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-07 01:34:52,809 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-07 01:34:52,809 INFO L861 garLoopResultBuilder]: At program point L445(lines 384 449) the Hoare annotation is: true [2021-12-07 01:34:52,809 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-07 01:34:52,809 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 410) no Hoare annotation was computed. [2021-12-07 01:34:52,809 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 404 410) no Hoare annotation was computed. [2021-12-07 01:34:52,809 INFO L858 garLoopResultBuilder]: For program point L396(lines 396 400) no Hoare annotation was computed. [2021-12-07 01:34:52,809 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-07 01:34:52,810 INFO L854 garLoopResultBuilder]: At program point L380(lines 375 382) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 01:34:52,810 INFO L854 garLoopResultBuilder]: At program point L442(lines 393 443) the Hoare annotation is: false [2021-12-07 01:34:52,810 INFO L854 garLoopResultBuilder]: At program point L112(lines 107 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-07 01:34:52,810 INFO L854 garLoopResultBuilder]: At program point L104(lines 100 106) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-07 01:34:52,810 INFO L861 garLoopResultBuilder]: At program point L191(lines 184 193) the Hoare annotation is: true [2021-12-07 01:34:52,813 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 420) no Hoare annotation was computed. [2021-12-07 01:34:52,813 INFO L858 garLoopResultBuilder]: For program point L414-1(lines 414 420) no Hoare annotation was computed. [2021-12-07 01:34:52,814 INFO L854 garLoopResultBuilder]: At program point L439(lines 394 441) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 01:34:52,814 INFO L854 garLoopResultBuilder]: At program point L406(line 406) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 01:34:52,814 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 211) no Hoare annotation was computed. [2021-12-07 01:34:52,814 INFO L858 garLoopResultBuilder]: For program point L204-2(lines 204 211) no Hoare annotation was computed. [2021-12-07 01:34:52,814 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 841 852) no Hoare annotation was computed. [2021-12-07 01:34:52,814 INFO L858 garLoopResultBuilder]: For program point L845-1(lines 841 852) no Hoare annotation was computed. [2021-12-07 01:34:52,814 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 841 852) the Hoare annotation is: true [2021-12-07 01:34:52,817 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-07 01:34:52,818 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 01:34:52,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:34:52 BoogieIcfgContainer [2021-12-07 01:34:52,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 01:34:52,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 01:34:52,831 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 01:34:52,831 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 01:34:52,831 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:34:51" (3/4) ... [2021-12-07 01:34:52,833 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-07 01:34:52,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-07 01:34:52,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-07 01:34:52,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-07 01:34:52,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-07 01:34:52,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-07 01:34:52,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-07 01:34:52,843 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2021-12-07 01:34:52,844 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-07 01:34:52,844 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-07 01:34:52,845 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-07 01:34:52,845 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-07 01:34:52,845 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 01:34:52,846 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 01:34:52,862 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-07 01:34:52,863 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2021-12-07 01:34:52,863 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || tmp == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2021-12-07 01:34:52,864 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2021-12-07 01:34:52,864 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-07 01:34:52,864 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-07 01:34:52,864 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-07 01:34:52,864 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-07 01:34:52,882 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e01857c-b32f-4353-86ad-75dbda48a98a/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-07 01:34:52,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 01:34:52,883 INFO L158 Benchmark]: Toolchain (without parser) took 1942.98ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 75.4MB in the beginning and 88.8MB in the end (delta: -13.4MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2021-12-07 01:34:52,883 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 75.5MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:34:52,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.00ms. Allocated memory is still 98.6MB. Free memory was 75.4MB in the beginning and 65.7MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-07 01:34:52,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.61ms. Allocated memory is still 98.6MB. Free memory was 65.7MB in the beginning and 63.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:34:52,884 INFO L158 Benchmark]: Boogie Preprocessor took 26.70ms. Allocated memory is still 98.6MB. Free memory was 63.2MB in the beginning and 61.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:34:52,885 INFO L158 Benchmark]: RCFGBuilder took 362.69ms. Allocated memory is still 98.6MB. Free memory was 61.7MB in the beginning and 72.2MB in the end (delta: -10.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-12-07 01:34:52,885 INFO L158 Benchmark]: TraceAbstraction took 1152.71ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 72.2MB in the beginning and 94.1MB in the end (delta: -21.9MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2021-12-07 01:34:52,885 INFO L158 Benchmark]: Witness Printer took 51.65ms. Allocated memory is still 119.5MB. Free memory was 94.1MB in the beginning and 88.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 01:34:52,887 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 75.5MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.00ms. Allocated memory is still 98.6MB. Free memory was 75.4MB in the beginning and 65.7MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.61ms. Allocated memory is still 98.6MB. Free memory was 65.7MB in the beginning and 63.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.70ms. Allocated memory is still 98.6MB. Free memory was 63.2MB in the beginning and 61.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 362.69ms. Allocated memory is still 98.6MB. Free memory was 61.7MB in the beginning and 72.2MB in the end (delta: -10.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1152.71ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 72.2MB in the beginning and 94.1MB in the end (delta: -21.9MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. * Witness Printer took 51.65ms. Allocated memory is still 119.5MB. Free memory was 94.1MB in the beginning and 88.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 821]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 155 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 735 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 390 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 345 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 191 PreInvPairs, 215 NumberOfFragments, 275 HoareAnnotationTreeSize, 191 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 501 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 295 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: 176]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || tmp == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) RESULT: Ultimate proved your program to be correct! [2021-12-07 01:34:52,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e01857c-b32f-4353-86ad-75dbda48a98a/bin/uautomizer-DrprNOufMa/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