./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5058db4-d365-4808-aed6-5073cd85b9ee/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5058db4-d365-4808-aed6-5073cd85b9ee/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5058db4-d365-4808-aed6-5073cd85b9ee/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5058db4-d365-4808-aed6-5073cd85b9ee/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5058db4-d365-4808-aed6-5073cd85b9ee/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5058db4-d365-4808-aed6-5073cd85b9ee/bin/uautomizer-uyxdKDjOR8 --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 76c265ee8cd79c32bac129a25f21c9052690eb74ca3013be3603e97bc6872f20 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 16:29:00,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:29:00,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:29:00,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:29:00,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:29:00,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:29:00,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:29:00,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:29:00,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:29:00,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:29:00,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:29:00,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:29:00,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:29:00,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:29:00,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:29:00,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:29:00,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:29:00,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:29:00,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:29:00,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:29:00,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:29:00,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:29:00,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:29:00,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:29:00,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:29:00,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:29:00,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:29:00,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:29:00,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:29:00,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:29:00,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:29:00,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:29:00,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:29:00,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:29:00,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:29:00,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:29:00,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:29:00,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:29:00,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:29:00,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:29:00,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:29:00,853 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5058db4-d365-4808-aed6-5073cd85b9ee/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 16:29:00,867 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:29:00,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:29:00,868 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:29:00,868 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:29:00,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:29:00,869 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:29:00,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:29:00,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:29:00,873 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:29:00,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:29:00,873 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 16:29:00,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:29:00,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 16:29:00,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:29:00,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:29:00,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:29:00,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:29:00,874 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 16:29:00,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:29:00,875 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:29:00,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:29:00,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:29:00,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:29:00,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:29:00,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:29:00,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:29:00,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:29:00,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:29:00,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:29:00,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:29:00,877 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:29:00,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:29:00,877 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:29:00,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:29:00,877 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:29:00,878 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e5058db4-d365-4808-aed6-5073cd85b9ee/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5058db4-d365-4808-aed6-5073cd85b9ee/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76c265ee8cd79c32bac129a25f21c9052690eb74ca3013be3603e97bc6872f20 [2022-12-13 16:29:01,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:29:01,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:29:01,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:29:01,060 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:29:01,061 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:29:01,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5058db4-d365-4808-aed6-5073cd85b9ee/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2022-12-13 16:29:03,674 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:29:03,858 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:29:03,859 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5058db4-d365-4808-aed6-5073cd85b9ee/sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2022-12-13 16:29:03,866 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5058db4-d365-4808-aed6-5073cd85b9ee/bin/uautomizer-uyxdKDjOR8/data/717add6e9/091f0575ee3b4b329987d9947400770f/FLAGe7f428d02 [2022-12-13 16:29:03,876 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5058db4-d365-4808-aed6-5073cd85b9ee/bin/uautomizer-uyxdKDjOR8/data/717add6e9/091f0575ee3b4b329987d9947400770f [2022-12-13 16:29:03,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:29:03,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:29:03,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:29:03,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:29:03,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:29:03,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:29:03" (1/1) ... [2022-12-13 16:29:03,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d8dcf74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:29:03, skipping insertion in model container [2022-12-13 16:29:03,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:29:03" (1/1) ... [2022-12-13 16:29:03,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:29:03,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:29:04,144 WARN L237 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_e5058db4-d365-4808-aed6-5073cd85b9ee/sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c[13732,13745] [2022-12-13 16:29:04,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:29:04,179 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:29:04,228 WARN L237 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_e5058db4-d365-4808-aed6-5073cd85b9ee/sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c[13732,13745] [2022-12-13 16:29:04,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:29:04,254 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:29:04,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:29:04 WrapperNode [2022-12-13 16:29:04,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:29:04,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:29:04,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:29:04,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:29:04,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:29:04" (1/1) ... [2022-12-13 16:29:04,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:29:04" (1/1) ... [2022-12-13 16:29:04,295 INFO L138 Inliner]: procedures = 54, calls = 100, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 178 [2022-12-13 16:29:04,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:29:04,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:29:04,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:29:04,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:29:04,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:29:04" (1/1) ... [2022-12-13 16:29:04,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:29:04" (1/1) ... [2022-12-13 16:29:04,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:29:04" (1/1) ... [2022-12-13 16:29:04,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:29:04" (1/1) ... [2022-12-13 16:29:04,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:29:04" (1/1) ... [2022-12-13 16:29:04,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:29:04" (1/1) ... [2022-12-13 16:29:04,327 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:29:04" (1/1) ... [2022-12-13 16:29:04,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:29:04" (1/1) ... [2022-12-13 16:29:04,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:29:04,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:29:04,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:29:04,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:29:04,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:29:04" (1/1) ... [2022-12-13 16:29:04,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:29:04,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5058db4-d365-4808-aed6-5073cd85b9ee/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:29:04,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5058db4-d365-4808-aed6-5073cd85b9ee/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:29:04,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5058db4-d365-4808-aed6-5073cd85b9ee/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:29:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:29:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-12-13 16:29:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-12-13 16:29:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-13 16:29:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-13 16:29:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-13 16:29:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-13 16:29:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-12-13 16:29:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-12-13 16:29:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-13 16:29:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-13 16:29:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-12-13 16:29:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-12-13 16:29:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-12-13 16:29:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-12-13 16:29:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-12-13 16:29:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-12-13 16:29:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:29:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-13 16:29:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-13 16:29:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:29:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:29:04,465 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:29:04,467 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:29:04,663 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:29:04,668 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:29:04,669 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 16:29:04,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:29:04 BoogieIcfgContainer [2022-12-13 16:29:04,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:29:04,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:29:04,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:29:04,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:29:04,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:29:03" (1/3) ... [2022-12-13 16:29:04,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d53f822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:29:04, skipping insertion in model container [2022-12-13 16:29:04,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:29:04" (2/3) ... [2022-12-13 16:29:04,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d53f822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:29:04, skipping insertion in model container [2022-12-13 16:29:04,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:29:04" (3/3) ... [2022-12-13 16:29:04,676 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product29.cil.c [2022-12-13 16:29:04,690 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:29:04,691 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 16:29:04,727 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:29:04,731 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@191bf6f7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:29:04,731 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 16:29:04,734 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 67 states have (on average 1.373134328358209) internal successors, (92), 75 states have internal predecessors, (92), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 16:29:04,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 16:29:04,741 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:29:04,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:29:04,742 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:29:04,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:29:04,746 INFO L85 PathProgramCache]: Analyzing trace with hash -198266629, now seen corresponding path program 1 times [2022-12-13 16:29:04,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:29:04,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423051512] [2022-12-13 16:29:04,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:29:04,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:29:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:29:04,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 16:29:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:29:04,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:29:04,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:29:04,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423051512] [2022-12-13 16:29:04,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423051512] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:29:04,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:29:04,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:29:04,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764959390] [2022-12-13 16:29:04,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:29:04,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 16:29:04,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:29:04,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 16:29:04,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:29:04,905 INFO L87 Difference]: Start difference. First operand has 93 states, 67 states have (on average 1.373134328358209) internal successors, (92), 75 states have internal predecessors, (92), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:29:04,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:29:04,935 INFO L93 Difference]: Finished difference Result 178 states and 239 transitions. [2022-12-13 16:29:04,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 16:29:04,937 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-12-13 16:29:04,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:29:04,945 INFO L225 Difference]: With dead ends: 178 [2022-12-13 16:29:04,945 INFO L226 Difference]: Without dead ends: 84 [2022-12-13 16:29:04,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:29:04,951 INFO L413 NwaCegarLoop]: 116 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, 116 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:29:04,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:29:04,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-12-13 16:29:04,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-12-13 16:29:04,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 60 states have (on average 1.3) internal successors, (78), 67 states have internal predecessors, (78), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-12-13 16:29:04,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 107 transitions. [2022-12-13 16:29:04,986 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 107 transitions. Word has length 25 [2022-12-13 16:29:04,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:29:04,986 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 107 transitions. [2022-12-13 16:29:04,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:29:04,987 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 107 transitions. [2022-12-13 16:29:04,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 16:29:04,989 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:29:04,989 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:29:04,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:29:04,990 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:29:04,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:29:04,990 INFO L85 PathProgramCache]: Analyzing trace with hash -342081454, now seen corresponding path program 1 times [2022-12-13 16:29:04,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:29:04,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853501469] [2022-12-13 16:29:04,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:29:04,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:29:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:29:05,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 16:29:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:29:05,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:29:05,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:29:05,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853501469] [2022-12-13 16:29:05,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853501469] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:29:05,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:29:05,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 16:29:05,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571587636] [2022-12-13 16:29:05,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:29:05,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:29:05,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:29:05,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:29:05,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:29:05,104 INFO L87 Difference]: Start difference. First operand 84 states and 107 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:29:05,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:29:05,121 INFO L93 Difference]: Finished difference Result 134 states and 170 transitions. [2022-12-13 16:29:05,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:29:05,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-12-13 16:29:05,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:29:05,123 INFO L225 Difference]: With dead ends: 134 [2022-12-13 16:29:05,123 INFO L226 Difference]: Without dead ends: 75 [2022-12-13 16:29:05,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:29:05,125 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 12 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:29:05,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 172 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:29:05,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-12-13 16:29:05,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-12-13 16:29:05,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 61 states have internal predecessors, (71), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 16:29:05,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions. [2022-12-13 16:29:05,133 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 26 [2022-12-13 16:29:05,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:29:05,133 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 95 transitions. [2022-12-13 16:29:05,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:29:05,134 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions. [2022-12-13 16:29:05,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-13 16:29:05,135 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:29:05,135 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:29:05,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:29:05,135 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:29:05,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:29:05,136 INFO L85 PathProgramCache]: Analyzing trace with hash -809418228, now seen corresponding path program 1 times [2022-12-13 16:29:05,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:29:05,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915111742] [2022-12-13 16:29:05,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:29:05,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:29:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:29:05,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 16:29:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:29:05,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:29:05,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:29:05,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915111742] [2022-12-13 16:29:05,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915111742] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:29:05,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:29:05,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 16:29:05,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816598439] [2022-12-13 16:29:05,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:29:05,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 16:29:05,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:29:05,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 16:29:05,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:29:05,256 INFO L87 Difference]: Start difference. First operand 75 states and 95 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:29:05,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:29:05,361 INFO L93 Difference]: Finished difference Result 143 states and 184 transitions. [2022-12-13 16:29:05,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 16:29:05,361 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-12-13 16:29:05,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:29:05,362 INFO L225 Difference]: With dead ends: 143 [2022-12-13 16:29:05,362 INFO L226 Difference]: Without dead ends: 75 [2022-12-13 16:29:05,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 16:29:05,364 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 175 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:29:05,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 190 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:29:05,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-12-13 16:29:05,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-12-13 16:29:05,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 61 states have internal predecessors, (70), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 16:29:05,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 94 transitions. [2022-12-13 16:29:05,376 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 94 transitions. Word has length 30 [2022-12-13 16:29:05,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:29:05,376 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 94 transitions. [2022-12-13 16:29:05,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:29:05,377 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 94 transitions. [2022-12-13 16:29:05,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-13 16:29:05,378 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:29:05,378 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:29:05,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 16:29:05,378 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:29:05,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:29:05,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1591783388, now seen corresponding path program 1 times [2022-12-13 16:29:05,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:29:05,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971713633] [2022-12-13 16:29:05,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:29:05,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:29:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:29:05,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 16:29:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:29:05,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:29:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:29:05,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 16:29:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:29:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:29:05,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:29:05,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971713633] [2022-12-13 16:29:05,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971713633] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:29:05,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:29:05,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 16:29:05,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872937760] [2022-12-13 16:29:05,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:29:05,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 16:29:05,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:29:05,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 16:29:05,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:29:05,510 INFO L87 Difference]: Start difference. First operand 75 states and 94 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 16:29:05,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:29:05,736 INFO L93 Difference]: Finished difference Result 238 states and 308 transitions. [2022-12-13 16:29:05,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 16:29:05,737 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), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 40 [2022-12-13 16:29:05,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:29:05,740 INFO L225 Difference]: With dead ends: 238 [2022-12-13 16:29:05,740 INFO L226 Difference]: Without dead ends: 170 [2022-12-13 16:29:05,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 16:29:05,742 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 141 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:29:05,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 313 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 16:29:05,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-12-13 16:29:05,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 136. [2022-12-13 16:29:05,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 96 states have (on average 1.2916666666666667) internal successors, (124), 108 states have internal predecessors, (124), 24 states have call successors, (24), 16 states have call predecessors, (24), 15 states have return successors, (25), 15 states have call predecessors, (25), 24 states have call successors, (25) [2022-12-13 16:29:05,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 173 transitions. [2022-12-13 16:29:05,758 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 173 transitions. Word has length 40 [2022-12-13 16:29:05,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:29:05,758 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 173 transitions. [2022-12-13 16:29:05,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 16:29:05,758 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 173 transitions. [2022-12-13 16:29:05,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-13 16:29:05,759 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:29:05,759 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:29:05,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 16:29:05,760 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:29:05,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:29:05,760 INFO L85 PathProgramCache]: Analyzing trace with hash -766065470, now seen corresponding path program 1 times [2022-12-13 16:29:05,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:29:05,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153223541] [2022-12-13 16:29:05,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:29:05,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:29:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:29:05,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:29:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:29:05,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:29:05,802 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:29:05,803 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 16:29:05,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 16:29:05,809 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 16:29:05,812 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:29:05,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:29:05 BoogieIcfgContainer [2022-12-13 16:29:05,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:29:05,849 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:29:05,849 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:29:05,849 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:29:05,850 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:29:04" (3/4) ... [2022-12-13 16:29:05,851 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 16:29:05,888 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5058db4-d365-4808-aed6-5073cd85b9ee/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:29:05,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:29:05,889 INFO L158 Benchmark]: Toolchain (without parser) took 2009.70ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 69.1MB in the beginning and 79.5MB in the end (delta: -10.5MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-12-13 16:29:05,889 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:29:05,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.37ms. Allocated memory is still 109.1MB. Free memory was 69.1MB in the beginning and 50.5MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 16:29:05,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.53ms. Allocated memory is still 109.1MB. Free memory was 50.5MB in the beginning and 48.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:29:05,890 INFO L158 Benchmark]: Boogie Preprocessor took 34.52ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 48.4MB in the beginning and 109.7MB in the end (delta: -61.3MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2022-12-13 16:29:05,890 INFO L158 Benchmark]: RCFGBuilder took 338.85ms. Allocated memory is still 136.3MB. Free memory was 109.7MB in the beginning and 93.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 16:29:05,890 INFO L158 Benchmark]: TraceAbstraction took 1176.80ms. Allocated memory is still 136.3MB. Free memory was 93.0MB in the beginning and 82.8MB in the end (delta: 10.2MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2022-12-13 16:29:05,890 INFO L158 Benchmark]: Witness Printer took 39.32ms. Allocated memory is still 136.3MB. Free memory was 82.8MB in the beginning and 79.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 16:29:05,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.37ms. Allocated memory is still 109.1MB. Free memory was 69.1MB in the beginning and 50.5MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.53ms. Allocated memory is still 109.1MB. Free memory was 50.5MB in the beginning and 48.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.52ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 48.4MB in the beginning and 109.7MB in the end (delta: -61.3MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * RCFGBuilder took 338.85ms. Allocated memory is still 136.3MB. Free memory was 109.7MB in the beginning and 93.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1176.80ms. Allocated memory is still 136.3MB. Free memory was 93.0MB in the beginning and 82.8MB in the end (delta: 10.2MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Witness Printer took 39.32ms. Allocated memory is still 136.3MB. Free memory was 82.8MB in the beginning and 79.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 590]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L93] int waterLevel = 1; [L94] int methaneLevelCritical = 0; [L351] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L595] int cleanupTimeShifts = 4; [L696] int pumpRunning = 0; [L697] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L671] int retValue_acc ; [L672] int tmp ; [L676] FCALL select_helpers() [L677] FCALL select_features() [L678] CALL, EXPR valid_product() [L577] int retValue_acc ; [L580] retValue_acc = 1 [L581] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L678] RET, EXPR valid_product() [L678] tmp = valid_product() [L680] COND TRUE \read(tmp) [L682] FCALL setup() [L683] CALL runTest() [L665] CALL test() [L892] int splverifierCounter ; [L893] int tmp ; [L894] int tmp___0 ; [L895] int tmp___1 ; [L896] int tmp___2 ; [L899] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L901] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L903] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L909] tmp = __VERIFIER_nondet_int() [L911] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L913] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L111] COND TRUE waterLevel < 2 [L112] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L913] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L919] tmp___0 = __VERIFIER_nondet_int() [L921] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L929] tmp___2 = __VERIFIER_nondet_int() [L931] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=-1, waterLevel=2] [L944] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L703] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L710] COND TRUE \read(systemActive) [L712] CALL processEnvironment() [L758] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L761] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L776] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L732] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L735] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L750] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L776] RET processEnvironment__wrappee__methaneQuery() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L712] RET processEnvironment() [L718] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L132] int retValue_acc ; [L135] retValue_acc = methaneLevelCritical [L136] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L61] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L164] int retValue_acc ; [L167] retValue_acc = waterLevel [L168] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND TRUE tmp___0 == 2 [L71] CALL, EXPR isPumpRunning() [L827] int retValue_acc ; [L830] retValue_acc = pumpRunning [L831] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L71] RET, EXPR isPumpRunning() [L71] tmp___1 = isPumpRunning() [L73] COND FALSE !(\read(tmp___1)) [L77] CALL __automaton_fail() [L590] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 337 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 328 mSDsluCounter, 791 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 413 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 247 IncrementalHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 378 mSDtfsCounter, 247 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=4, InterpolantAutomatonStates: 19, 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, 4 MinimizatonAttempts, 34 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 221 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 16:29:05,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5058db4-d365-4808-aed6-5073cd85b9ee/bin/uautomizer-uyxdKDjOR8/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE