./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.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_daeed212-300a-4c3f-8b8f-5faf6f7f3902/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeed212-300a-4c3f-8b8f-5faf6f7f3902/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_daeed212-300a-4c3f-8b8f-5faf6f7f3902/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeed212-300a-4c3f-8b8f-5faf6f7f3902/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeed212-300a-4c3f-8b8f-5faf6f7f3902/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_daeed212-300a-4c3f-8b8f-5faf6f7f3902/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 8c57aad23cdcf8081ba5352d473aea77ba42b47e93421a900d6921ce930c9593 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:13:15,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:13:15,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:13:15,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:13:15,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:13:15,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:13:15,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:13:15,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:13:15,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:13:15,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:13:15,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:13:15,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:13:15,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:13:15,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:13:15,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:13:15,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:13:15,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:13:15,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:13:15,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:13:15,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:13:15,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:13:15,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:13:15,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:13:15,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:13:15,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:13:15,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:13:15,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:13:15,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:13:15,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:13:15,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:13:15,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:13:15,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:13:15,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:13:15,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:13:15,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:13:15,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:13:15,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:13:15,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:13:15,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:13:15,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:13:15,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:13:15,201 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeed212-300a-4c3f-8b8f-5faf6f7f3902/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 01:13:15,231 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:13:15,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:13:15,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:13:15,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:13:15,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:13:15,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:13:15,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:13:15,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:13:15,234 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:13:15,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:13:15,234 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 01:13:15,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:13:15,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 01:13:15,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:13:15,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:13:15,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:13:15,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:13:15,235 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 01:13:15,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:13:15,236 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:13:15,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:13:15,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:13:15,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:13:15,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:13:15,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:13:15,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:13:15,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:13:15,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:13:15,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:13:15,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:13:15,244 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:13:15,244 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:13:15,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:13:15,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:13:15,244 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_daeed212-300a-4c3f-8b8f-5faf6f7f3902/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeed212-300a-4c3f-8b8f-5faf6f7f3902/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c57aad23cdcf8081ba5352d473aea77ba42b47e93421a900d6921ce930c9593 [2021-12-07 01:13:15,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:13:15,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:13:15,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:13:15,434 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:13:15,434 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:13:15,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeed212-300a-4c3f-8b8f-5faf6f7f3902/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2021-12-07 01:13:15,479 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeed212-300a-4c3f-8b8f-5faf6f7f3902/bin/uautomizer-DrprNOufMa/data/fb183a282/f5840ce39f1f4153923713f0be617c16/FLAG5049482e8 [2021-12-07 01:13:15,889 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:13:15,890 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeed212-300a-4c3f-8b8f-5faf6f7f3902/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2021-12-07 01:13:15,900 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeed212-300a-4c3f-8b8f-5faf6f7f3902/bin/uautomizer-DrprNOufMa/data/fb183a282/f5840ce39f1f4153923713f0be617c16/FLAG5049482e8 [2021-12-07 01:13:15,909 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeed212-300a-4c3f-8b8f-5faf6f7f3902/bin/uautomizer-DrprNOufMa/data/fb183a282/f5840ce39f1f4153923713f0be617c16 [2021-12-07 01:13:15,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:13:15,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:13:15,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:13:15,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:13:15,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:13:15,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:13:15" (1/1) ... [2021-12-07 01:13:15,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49240424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:15, skipping insertion in model container [2021-12-07 01:13:15,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:13:15" (1/1) ... [2021-12-07 01:13:15,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:13:15,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:13:16,166 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_daeed212-300a-4c3f-8b8f-5faf6f7f3902/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[15113,15126] [2021-12-07 01:13:16,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:13:16,193 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:13:16,247 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_daeed212-300a-4c3f-8b8f-5faf6f7f3902/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[15113,15126] [2021-12-07 01:13:16,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:13:16,276 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:13:16,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:16 WrapperNode [2021-12-07 01:13:16,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:13:16,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:13:16,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:13:16,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:13:16,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:16" (1/1) ... [2021-12-07 01:13:16,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:16" (1/1) ... [2021-12-07 01:13:16,317 INFO L137 Inliner]: procedures = 55, calls = 153, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 227 [2021-12-07 01:13:16,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:13:16,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:13:16,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:13:16,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:13:16,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:16" (1/1) ... [2021-12-07 01:13:16,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:16" (1/1) ... [2021-12-07 01:13:16,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:16" (1/1) ... [2021-12-07 01:13:16,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:16" (1/1) ... [2021-12-07 01:13:16,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:16" (1/1) ... [2021-12-07 01:13:16,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:16" (1/1) ... [2021-12-07 01:13:16,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:16" (1/1) ... [2021-12-07 01:13:16,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:13:16,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:13:16,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:13:16,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:13:16,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:16" (1/1) ... [2021-12-07 01:13:16,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:13:16,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeed212-300a-4c3f-8b8f-5faf6f7f3902/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:13:16,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeed212-300a-4c3f-8b8f-5faf6f7f3902/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:13:16,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeed212-300a-4c3f-8b8f-5faf6f7f3902/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:13:16,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:13:16,410 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-07 01:13:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-07 01:13:16,410 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-07 01:13:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-07 01:13:16,410 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-07 01:13:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-07 01:13:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-07 01:13:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-07 01:13:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-07 01:13:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-07 01:13:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-07 01:13:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-07 01:13:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:13:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-07 01:13:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-07 01:13:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:13:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:13:16,468 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:13:16,469 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:13:16,663 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:13:16,669 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:13:16,669 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-07 01:13:16,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:13:16 BoogieIcfgContainer [2021-12-07 01:13:16,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:13:16,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:13:16,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:13:16,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:13:16,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:13:15" (1/3) ... [2021-12-07 01:13:16,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53be6554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:13:16, skipping insertion in model container [2021-12-07 01:13:16,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:16" (2/3) ... [2021-12-07 01:13:16,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53be6554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:13:16, skipping insertion in model container [2021-12-07 01:13:16,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:13:16" (3/3) ... [2021-12-07 01:13:16,676 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product20.cil.c [2021-12-07 01:13:16,679 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:13:16,679 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:13:16,713 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:13:16,717 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 01:13:16,718 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 01:13:16,731 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 63 states have (on average 1.380952380952381) internal successors, (87), 70 states have internal predecessors, (87), 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) [2021-12-07 01:13:16,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-07 01:13:16,736 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:13:16,736 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:13:16,737 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:13:16,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:13:16,741 INFO L85 PathProgramCache]: Analyzing trace with hash -533939434, now seen corresponding path program 1 times [2021-12-07 01:13:16,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:13:16,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700635360] [2021-12-07 01:13:16,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:13:16,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:13:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:16,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-07 01:13:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:16,897 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 01:13:16,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:13:16,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700635360] [2021-12-07 01:13:16,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700635360] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:13:16,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:13:16,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:13:16,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548417056] [2021-12-07 01:13:16,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:13:16,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 01:13:16,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:13:16,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 01:13:16,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:13:16,925 INFO L87 Difference]: Start difference. First operand has 83 states, 63 states have (on average 1.380952380952381) internal successors, (87), 70 states have internal predecessors, (87), 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) [2021-12-07 01:13:16,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:13:16,948 INFO L93 Difference]: Finished difference Result 157 states and 212 transitions. [2021-12-07 01:13:16,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 01:13:16,949 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-07 01:13:16,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:13:16,956 INFO L225 Difference]: With dead ends: 157 [2021-12-07 01:13:16,956 INFO L226 Difference]: Without dead ends: 74 [2021-12-07 01:13:16,958 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 01:13:16,961 INFO L933 BasicCegarLoop]: 103 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, 103 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 01:13:16,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:13:16,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-12-07 01:13:16,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-12-07 01:13:16,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 62 states have internal predecessors, (73), 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) [2021-12-07 01:13:16,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 94 transitions. [2021-12-07 01:13:16,993 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 94 transitions. Word has length 25 [2021-12-07 01:13:16,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:13:16,993 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 94 transitions. [2021-12-07 01:13:16,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:13:16,993 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2021-12-07 01:13:16,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-07 01:13:16,995 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:13:16,995 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:13:16,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:13:16,996 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:13:16,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:13:16,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1868756667, now seen corresponding path program 1 times [2021-12-07 01:13:16,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:13:16,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266356732] [2021-12-07 01:13:16,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:13:16,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:13:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:17,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 01:13:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:17,056 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 01:13:17,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:13:17,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266356732] [2021-12-07 01:13:17,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266356732] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:13:17,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:13:17,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:13:17,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690162807] [2021-12-07 01:13:17,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:13:17,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:13:17,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:13:17,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:13:17,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:13:17,059 INFO L87 Difference]: Start difference. First operand 74 states and 94 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:13:17,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:13:17,070 INFO L93 Difference]: Finished difference Result 108 states and 136 transitions. [2021-12-07 01:13:17,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:13:17,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-07 01:13:17,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:13:17,071 INFO L225 Difference]: With dead ends: 108 [2021-12-07 01:13:17,072 INFO L226 Difference]: Without dead ends: 65 [2021-12-07 01:13:17,072 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 01:13:17,073 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 17 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 140 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 01:13:17,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:13:17,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-12-07 01:13:17,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-12-07 01:13:17,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 50 states have (on average 1.32) internal successors, (66), 56 states have internal predecessors, (66), 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) [2021-12-07 01:13:17,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2021-12-07 01:13:17,081 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 26 [2021-12-07 01:13:17,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:13:17,081 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2021-12-07 01:13:17,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:13:17,082 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2021-12-07 01:13:17,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-07 01:13:17,083 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:13:17,083 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:13:17,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:13:17,083 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:13:17,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:13:17,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1886146375, now seen corresponding path program 1 times [2021-12-07 01:13:17,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:13:17,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008642956] [2021-12-07 01:13:17,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:13:17,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:13:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:17,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-07 01:13:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:17,131 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 01:13:17,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:13:17,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008642956] [2021-12-07 01:13:17,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008642956] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:13:17,132 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:13:17,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:13:17,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236821128] [2021-12-07 01:13:17,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:13:17,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:13:17,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:13:17,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:13:17,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:13:17,133 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:13:17,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:13:17,159 INFO L93 Difference]: Finished difference Result 177 states and 229 transitions. [2021-12-07 01:13:17,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:13:17,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-12-07 01:13:17,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:13:17,161 INFO L225 Difference]: With dead ends: 177 [2021-12-07 01:13:17,161 INFO L226 Difference]: Without dead ends: 120 [2021-12-07 01:13:17,162 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 01:13:17,163 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 74 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:13:17,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 173 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:13:17,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-12-07 01:13:17,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2021-12-07 01:13:17,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 99 states have internal predecessors, (119), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2021-12-07 01:13:17,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 151 transitions. [2021-12-07 01:13:17,179 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 151 transitions. Word has length 31 [2021-12-07 01:13:17,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:13:17,179 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 151 transitions. [2021-12-07 01:13:17,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:13:17,179 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 151 transitions. [2021-12-07 01:13:17,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-07 01:13:17,180 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:13:17,180 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 01:13:17,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:13:17,181 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:13:17,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:13:17,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1556691395, now seen corresponding path program 1 times [2021-12-07 01:13:17,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:13:17,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017534472] [2021-12-07 01:13:17,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:13:17,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:13:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:17,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-07 01:13:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:17,241 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 01:13:17,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:13:17,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017534472] [2021-12-07 01:13:17,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017534472] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:13:17,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:13:17,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:13:17,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768511353] [2021-12-07 01:13:17,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:13:17,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:13:17,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:13:17,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:13:17,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:13:17,244 INFO L87 Difference]: Start difference. First operand 117 states and 151 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:13:17,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:13:17,326 INFO L93 Difference]: Finished difference Result 333 states and 438 transitions. [2021-12-07 01:13:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:13:17,326 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2021-12-07 01:13:17,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:13:17,329 INFO L225 Difference]: With dead ends: 333 [2021-12-07 01:13:17,329 INFO L226 Difference]: Without dead ends: 224 [2021-12-07 01:13:17,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:13:17,332 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 51 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:13:17,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 394 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:13:17,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-12-07 01:13:17,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 218. [2021-12-07 01:13:17,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 161 states have (on average 1.3354037267080745) internal successors, (215), 182 states have internal predecessors, (215), 32 states have call successors, (32), 24 states have call predecessors, (32), 24 states have return successors, (34), 22 states have call predecessors, (34), 32 states have call successors, (34) [2021-12-07 01:13:17,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 281 transitions. [2021-12-07 01:13:17,358 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 281 transitions. Word has length 34 [2021-12-07 01:13:17,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:13:17,358 INFO L470 AbstractCegarLoop]: Abstraction has 218 states and 281 transitions. [2021-12-07 01:13:17,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:13:17,358 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 281 transitions. [2021-12-07 01:13:17,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-07 01:13:17,360 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:13:17,360 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 01:13:17,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 01:13:17,361 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:13:17,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:13:17,361 INFO L85 PathProgramCache]: Analyzing trace with hash -2009552801, now seen corresponding path program 1 times [2021-12-07 01:13:17,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:13:17,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563953241] [2021-12-07 01:13:17,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:13:17,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:13:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:17,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:13:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:17,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 01:13:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:17,433 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 01:13:17,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:13:17,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563953241] [2021-12-07 01:13:17,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563953241] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:13:17,434 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:13:17,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:13:17,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085447002] [2021-12-07 01:13:17,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:13:17,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:13:17,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:13:17,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:13:17,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:13:17,436 INFO L87 Difference]: Start difference. First operand 218 states and 281 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-07 01:13:17,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:13:17,525 INFO L93 Difference]: Finished difference Result 378 states and 487 transitions. [2021-12-07 01:13:17,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:13:17,525 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2021-12-07 01:13:17,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:13:17,526 INFO L225 Difference]: With dead ends: 378 [2021-12-07 01:13:17,526 INFO L226 Difference]: Without dead ends: 0 [2021-12-07 01:13:17,529 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 01:13:17,530 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 49 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:13:17,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 142 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:13:17,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-07 01:13:17,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-07 01:13:17,532 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 01:13:17,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-07 01:13:17,532 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2021-12-07 01:13:17,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:13:17,533 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:13:17,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-07 01:13:17,533 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-07 01:13:17,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-07 01:13:17,536 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 01:13:17,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 01:13:17,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-07 01:13:17,793 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 841 848) the Hoare annotation is: true [2021-12-07 01:13:17,793 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 841 848) no Hoare annotation was computed. [2021-12-07 01:13:17,793 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 841 848) no Hoare annotation was computed. [2021-12-07 01:13:17,793 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 800 806) no Hoare annotation was computed. [2021-12-07 01:13:17,793 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 800 806) the Hoare annotation is: true [2021-12-07 01:13:17,794 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 162 173) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-12-07 01:13:17,794 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 162 173) no Hoare annotation was computed. [2021-12-07 01:13:17,794 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2021-12-07 01:13:17,794 INFO L854 garLoopResultBuilder]: At program point L865(lines 860 868) 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))))) [2021-12-07 01:13:17,794 INFO L854 garLoopResultBuilder]: At program point L696(lines 691 698) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-07 01:13:17,794 INFO L858 garLoopResultBuilder]: For program point L787-1(lines 787 793) no Hoare annotation was computed. [2021-12-07 01:13:17,794 INFO L858 garLoopResultBuilder]: For program point L816(lines 816 824) no Hoare annotation was computed. [2021-12-07 01:13:17,794 INFO L858 garLoopResultBuilder]: For program point L812(lines 812 829) no Hoare annotation was computed. [2021-12-07 01:13:17,795 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 776 799) no Hoare annotation was computed. [2021-12-07 01:13:17,795 INFO L854 garLoopResultBuilder]: At program point L920(lines 905 923) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-07 01:13:17,795 INFO L858 garLoopResultBuilder]: For program point L780-1(lines 779 798) no Hoare annotation was computed. [2021-12-07 01:13:17,795 INFO L858 garLoopResultBuilder]: For program point L74(lines 74 84) no Hoare annotation was computed. [2021-12-07 01:13:17,795 INFO L858 garLoopResultBuilder]: For program point L70(lines 70 87) no Hoare annotation was computed. [2021-12-07 01:13:17,795 INFO L854 garLoopResultBuilder]: At program point L70-1(lines 62 90) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~0#1| 0)) (or .cse0 (= ~pumpRunning~0 0)))) [2021-12-07 01:13:17,795 INFO L854 garLoopResultBuilder]: At program point L822(line 822) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-07 01:13:17,795 INFO L854 garLoopResultBuilder]: At program point L818(line 818) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-07 01:13:17,796 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-12-07 01:13:17,796 INFO L854 garLoopResultBuilder]: At program point L220(lines 215 223) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-07 01:13:17,796 INFO L854 garLoopResultBuilder]: At program point L827(line 827) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-07 01:13:17,796 INFO L854 garLoopResultBuilder]: At program point L827-1(lines 808 832) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-07 01:13:17,796 INFO L858 garLoopResultBuilder]: For program point L695(line 695) no Hoare annotation was computed. [2021-12-07 01:13:17,796 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 918) no Hoare annotation was computed. [2021-12-07 01:13:17,796 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 918) no Hoare annotation was computed. [2021-12-07 01:13:17,796 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 776 799) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-07 01:13:17,796 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 146) no Hoare annotation was computed. [2021-12-07 01:13:17,796 INFO L854 garLoopResultBuilder]: At program point L142-2(lines 138 149) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-07 01:13:17,796 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 776 799) no Hoare annotation was computed. [2021-12-07 01:13:17,797 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 695) no Hoare annotation was computed. [2021-12-07 01:13:17,797 INFO L854 garLoopResultBuilder]: At program point L68(line 68) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-07 01:13:17,797 INFO L858 garLoopResultBuilder]: For program point L68-1(line 68) no Hoare annotation was computed. [2021-12-07 01:13:17,797 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2021-12-07 01:13:17,797 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 227 256) the Hoare annotation is: true [2021-12-07 01:13:17,797 INFO L861 garLoopResultBuilder]: At program point L252(lines 227 256) the Hoare annotation is: true [2021-12-07 01:13:17,797 INFO L858 garLoopResultBuilder]: For program point L248(line 248) no Hoare annotation was computed. [2021-12-07 01:13:17,797 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 245) no Hoare annotation was computed. [2021-12-07 01:13:17,797 INFO L861 garLoopResultBuilder]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2021-12-07 01:13:17,797 INFO L858 garLoopResultBuilder]: For program point L238(line 238) no Hoare annotation was computed. [2021-12-07 01:13:17,797 INFO L861 garLoopResultBuilder]: At program point L237-2(lines 237 251) the Hoare annotation is: true [2021-12-07 01:13:17,798 INFO L861 garLoopResultBuilder]: At program point L233(line 233) the Hoare annotation is: true [2021-12-07 01:13:17,798 INFO L858 garLoopResultBuilder]: For program point L233-1(line 233) no Hoare annotation was computed. [2021-12-07 01:13:17,798 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 174 182) the Hoare annotation is: true [2021-12-07 01:13:17,798 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 174 182) no Hoare annotation was computed. [2021-12-07 01:13:17,798 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 174 182) no Hoare annotation was computed. [2021-12-07 01:13:17,798 INFO L861 garLoopResultBuilder]: At program point L320(lines 301 323) the Hoare annotation is: true [2021-12-07 01:13:17,798 INFO L854 garLoopResultBuilder]: At program point L762(lines 711 763) the Hoare annotation is: false [2021-12-07 01:13:17,799 INFO L854 garLoopResultBuilder]: At program point L944(lines 939 946) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 01:13:17,799 INFO L854 garLoopResultBuilder]: At program point L110(lines 106 112) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-07 01:13:17,799 INFO L858 garLoopResultBuilder]: For program point L750(lines 750 756) no Hoare annotation was computed. [2021-12-07 01:13:17,799 INFO L854 garLoopResultBuilder]: At program point L750-2(lines 742 757) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 01:13:17,799 INFO L858 garLoopResultBuilder]: For program point L713(lines 712 761) no Hoare annotation was computed. [2021-12-07 01:13:17,799 INFO L854 garLoopResultBuilder]: At program point L936(lines 924 938) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 01:13:17,800 INFO L858 garLoopResultBuilder]: For program point L742(lines 742 757) no Hoare annotation was computed. [2021-12-07 01:13:17,800 INFO L858 garLoopResultBuilder]: For program point L928(lines 928 934) no Hoare annotation was computed. [2021-12-07 01:13:17,800 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-07 01:13:17,800 INFO L858 garLoopResultBuilder]: For program point L928-1(lines 928 934) no Hoare annotation was computed. [2021-12-07 01:13:17,800 INFO L854 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 01:13:17,800 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-07 01:13:17,800 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-07 01:13:17,800 INFO L854 garLoopResultBuilder]: At program point L759(lines 712 761) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 01:13:17,801 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2021-12-07 01:13:17,801 INFO L858 garLoopResultBuilder]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2021-12-07 01:13:17,801 INFO L858 garLoopResultBuilder]: For program point L714(lines 714 718) no Hoare annotation was computed. [2021-12-07 01:13:17,801 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-07 01:13:17,801 INFO L861 garLoopResultBuilder]: At program point L298(lines 290 300) the Hoare annotation is: true [2021-12-07 01:13:17,801 INFO L854 garLoopResultBuilder]: At program point L930(line 930) the Hoare annotation is: false [2021-12-07 01:13:17,801 INFO L854 garLoopResultBuilder]: At program point L286(lines 282 288) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-07 01:13:17,801 INFO L854 garLoopResultBuilder]: At program point L125(lines 120 128) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-07 01:13:17,802 INFO L861 garLoopResultBuilder]: At program point L765(lines 702 769) the Hoare annotation is: true [2021-12-07 01:13:17,802 INFO L858 garLoopResultBuilder]: For program point L732(lines 732 738) no Hoare annotation was computed. [2021-12-07 01:13:17,802 INFO L854 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-07 01:13:17,802 INFO L858 garLoopResultBuilder]: For program point L732-1(lines 732 738) no Hoare annotation was computed. [2021-12-07 01:13:17,802 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 318) no Hoare annotation was computed. [2021-12-07 01:13:17,802 INFO L854 garLoopResultBuilder]: At program point L117(lines 113 119) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-07 01:13:17,802 INFO L858 garLoopResultBuilder]: For program point L311-2(lines 311 318) no Hoare annotation was computed. [2021-12-07 01:13:17,803 INFO L854 garLoopResultBuilder]: At program point L724(line 724) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 01:13:17,803 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 150 161) no Hoare annotation was computed. [2021-12-07 01:13:17,803 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2021-12-07 01:13:17,803 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 150 161) the Hoare annotation is: true [2021-12-07 01:13:17,806 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-07 01:13:17,807 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 01:13:17,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:13:17 BoogieIcfgContainer [2021-12-07 01:13:17,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 01:13:17,822 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 01:13:17,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 01:13:17,822 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 01:13:17,822 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:13:16" (3/4) ... [2021-12-07 01:13:17,824 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-07 01:13:17,829 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-07 01:13:17,829 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-07 01:13:17,829 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-07 01:13:17,829 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-07 01:13:17,829 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-07 01:13:17,829 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-07 01:13:17,829 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-07 01:13:17,835 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2021-12-07 01:13:17,835 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-07 01:13:17,836 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-07 01:13:17,836 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-07 01:13:17,836 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-07 01:13:17,837 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 01:13:17,837 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 01:13:17,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-07 01:13:17,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-12-07 01:13:17,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) [2021-12-07 01:13:17,855 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2021-12-07 01:13:17,855 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-07 01:13:17,855 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-07 01:13:17,855 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-07 01:13:17,874 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeed212-300a-4c3f-8b8f-5faf6f7f3902/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-07 01:13:17,874 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 01:13:17,874 INFO L158 Benchmark]: Toolchain (without parser) took 1962.63ms. Allocated memory is still 109.1MB. Free memory was 83.9MB in the beginning and 37.8MB in the end (delta: 46.1MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2021-12-07 01:13:17,875 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 75.5MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:13:17,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.81ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 72.7MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-07 01:13:17,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.16ms. Allocated memory is still 109.1MB. Free memory was 72.7MB in the beginning and 70.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:13:17,875 INFO L158 Benchmark]: Boogie Preprocessor took 28.61ms. Allocated memory is still 109.1MB. Free memory was 70.3MB in the beginning and 68.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:13:17,876 INFO L158 Benchmark]: RCFGBuilder took 322.98ms. Allocated memory is still 109.1MB. Free memory was 68.5MB in the beginning and 52.9MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-07 01:13:17,876 INFO L158 Benchmark]: TraceAbstraction took 1150.23ms. Allocated memory is still 109.1MB. Free memory was 52.5MB in the beginning and 44.1MB in the end (delta: 8.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2021-12-07 01:13:17,876 INFO L158 Benchmark]: Witness Printer took 52.17ms. Allocated memory is still 109.1MB. Free memory was 44.1MB in the beginning and 37.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 01:13:17,877 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 75.5MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.81ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 72.7MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.16ms. Allocated memory is still 109.1MB. Free memory was 72.7MB in the beginning and 70.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.61ms. Allocated memory is still 109.1MB. Free memory was 70.3MB in the beginning and 68.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 322.98ms. Allocated memory is still 109.1MB. Free memory was 68.5MB in the beginning and 52.9MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1150.23ms. Allocated memory is still 109.1MB. Free memory was 52.5MB in the beginning and 44.1MB in the end (delta: 8.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Witness Printer took 52.17ms. Allocated memory is still 109.1MB. Free memory was 44.1MB in the beginning and 37.8MB in the end (delta: 6.3MB). 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: 695]: 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, 83 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: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 198 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 191 mSDsluCounter, 952 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 528 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 424 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred 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, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 294 PreInvPairs, 338 NumberOfFragments, 216 HoareAnnotationTreeSize, 294 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 38 FomulaSimplificationsInter, 1055 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 277 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: 106]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive RESULT: Ultimate proved your program to be correct! [2021-12-07 01:13:17,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeed212-300a-4c3f-8b8f-5faf6f7f3902/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