./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e726e73-ecd9-4b68-9379-298027f7604b/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e726e73-ecd9-4b68-9379-298027f7604b/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e726e73-ecd9-4b68-9379-298027f7604b/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e726e73-ecd9-4b68-9379-298027f7604b/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e726e73-ecd9-4b68-9379-298027f7604b/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e726e73-ecd9-4b68-9379-298027f7604b/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b0678eea090fef0bcc10ffbdca11480c233dd2ce2b3443f1732fce22c8f8a1c9 --- 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-38b53e6 [2022-11-25 16:43:10,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:43:10,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:43:10,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:43:10,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:43:10,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:43:10,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:43:10,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:43:10,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:43:10,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:43:10,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:43:10,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:43:10,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:43:10,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:43:10,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:43:10,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:43:10,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:43:10,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:43:10,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:43:10,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:43:10,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:43:10,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:43:10,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:43:10,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:43:10,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:43:10,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:43:10,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:43:10,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:43:10,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:43:10,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:43:10,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:43:10,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:43:10,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:43:10,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:43:10,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:43:10,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:43:10,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:43:10,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:43:10,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:43:10,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:43:10,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:43:10,838 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e726e73-ecd9-4b68-9379-298027f7604b/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 16:43:10,882 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:43:10,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:43:10,883 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:43:10,883 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:43:10,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:43:10,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:43:10,885 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:43:10,885 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 16:43:10,886 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 16:43:10,886 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 16:43:10,887 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 16:43:10,887 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 16:43:10,888 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 16:43:10,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:43:10,888 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 16:43:10,888 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:43:10,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:43:10,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 16:43:10,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:43:10,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 16:43:10,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 16:43:10,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 16:43:10,890 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 16:43:10,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:43:10,891 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 16:43:10,891 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:43:10,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 16:43:10,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:43:10,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:43:10,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:43:10,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:43:10,899 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 16:43:10,899 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_0e726e73-ecd9-4b68-9379-298027f7604b/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e726e73-ecd9-4b68-9379-298027f7604b/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0678eea090fef0bcc10ffbdca11480c233dd2ce2b3443f1732fce22c8f8a1c9 [2022-11-25 16:43:11,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:43:11,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:43:11,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:43:11,278 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:43:11,278 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:43:11,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e726e73-ecd9-4b68-9379-298027f7604b/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/product-lines/minepump_spec5_product25.cil.c [2022-11-25 16:43:14,356 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:43:14,600 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:43:14,601 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e726e73-ecd9-4b68-9379-298027f7604b/sv-benchmarks/c/product-lines/minepump_spec5_product25.cil.c [2022-11-25 16:43:14,612 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e726e73-ecd9-4b68-9379-298027f7604b/bin/uautomizer-ZsLfNo2U6R/data/3093bfc0d/b7f1338bf09c48ba83edc3531cb9e06b/FLAG8d2d92a6e [2022-11-25 16:43:14,627 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e726e73-ecd9-4b68-9379-298027f7604b/bin/uautomizer-ZsLfNo2U6R/data/3093bfc0d/b7f1338bf09c48ba83edc3531cb9e06b [2022-11-25 16:43:14,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:43:14,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:43:14,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:43:14,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:43:14,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:43:14,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:43:14" (1/1) ... [2022-11-25 16:43:14,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f361998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:14, skipping insertion in model container [2022-11-25 16:43:14,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:43:14" (1/1) ... [2022-11-25 16:43:14,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:43:14,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:43:14,842 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_0e726e73-ecd9-4b68-9379-298027f7604b/sv-benchmarks/c/product-lines/minepump_spec5_product25.cil.c[2141,2154] [2022-11-25 16:43:14,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:43:14,966 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:43:14,980 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_0e726e73-ecd9-4b68-9379-298027f7604b/sv-benchmarks/c/product-lines/minepump_spec5_product25.cil.c[2141,2154] [2022-11-25 16:43:15,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:43:15,048 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:43:15,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:15 WrapperNode [2022-11-25 16:43:15,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:43:15,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:43:15,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:43:15,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:43:15,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:15" (1/1) ... [2022-11-25 16:43:15,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:15" (1/1) ... [2022-11-25 16:43:15,102 INFO L138 Inliner]: procedures = 55, calls = 98, calls flagged for inlining = 51, calls inlined = 54, statements flattened = 361 [2022-11-25 16:43:15,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:43:15,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:43:15,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:43:15,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:43:15,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:15" (1/1) ... [2022-11-25 16:43:15,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:15" (1/1) ... [2022-11-25 16:43:15,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:15" (1/1) ... [2022-11-25 16:43:15,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:15" (1/1) ... [2022-11-25 16:43:15,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:15" (1/1) ... [2022-11-25 16:43:15,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:15" (1/1) ... [2022-11-25 16:43:15,170 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:15" (1/1) ... [2022-11-25 16:43:15,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:15" (1/1) ... [2022-11-25 16:43:15,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:43:15,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:43:15,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:43:15,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:43:15,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:15" (1/1) ... [2022-11-25 16:43:15,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:43:15,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e726e73-ecd9-4b68-9379-298027f7604b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:43:15,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e726e73-ecd9-4b68-9379-298027f7604b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:43:15,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e726e73-ecd9-4b68-9379-298027f7604b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 16:43:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:43:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:43:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:43:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:43:15,337 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:43:15,339 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:43:15,751 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:43:15,759 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:43:15,760 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 16:43:15,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:43:15 BoogieIcfgContainer [2022-11-25 16:43:15,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:43:15,764 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 16:43:15,764 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 16:43:15,768 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 16:43:15,769 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:43:15,772 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 04:43:14" (1/3) ... [2022-11-25 16:43:15,773 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2774584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 04:43:15, skipping insertion in model container [2022-11-25 16:43:15,773 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:43:15,773 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:15" (2/3) ... [2022-11-25 16:43:15,774 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2774584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 04:43:15, skipping insertion in model container [2022-11-25 16:43:15,774 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:43:15,774 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:43:15" (3/3) ... [2022-11-25 16:43:15,776 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product25.cil.c [2022-11-25 16:43:15,835 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 16:43:15,835 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 16:43:15,835 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 16:43:15,835 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 16:43:15,836 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 16:43:15,836 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 16:43:15,836 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 16:43:15,836 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 16:43:15,841 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.3603603603603605) internal successors, (151), 111 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:43:15,863 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2022-11-25 16:43:15,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:43:15,863 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:43:15,870 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:43:15,870 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:43:15,870 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 16:43:15,871 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.3603603603603605) internal successors, (151), 111 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:43:15,877 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2022-11-25 16:43:15,877 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:43:15,877 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:43:15,878 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:43:15,878 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:43:15,883 INFO L748 eck$LassoCheckResult]: Stem: 106#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 39#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 51#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 110#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 24#L83true main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 58#L433true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 96#L408true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 46#L909true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 42#L294-2true [2022-11-25 16:43:15,884 INFO L750 eck$LassoCheckResult]: Loop: 42#L294-2true assume !false; 6#L295true assume test_~splverifierCounter~0#1 < 4; 45#L296true test_~tmp~3#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 86#L304true assume !(0 != test_~tmp~3#1); 82#L304-2true test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 97#L314true assume !(0 != test_~tmp___0~1#1); 62#L314-2true test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 17#L324true assume 0 != test_~tmp___2~0#1; 12#L330-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 72#L221true __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 71#L919true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 80#L118true assume !(0 != ~pumpRunning~0); 47#L118-2true assume !(0 != ~systemActive~0); 22#L125-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 67#L523true __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 53#L930true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1); 109#L930-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 94#L135true assume { :end_inline_timeShift } true; 42#L294-2true [2022-11-25 16:43:15,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:15,889 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-25 16:43:15,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:15,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164310270] [2022-11-25 16:43:15,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:15,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:16,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:43:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:16,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:43:16,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:16,066 INFO L85 PathProgramCache]: Analyzing trace with hash 219102572, now seen corresponding path program 1 times [2022-11-25 16:43:16,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:16,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942028853] [2022-11-25 16:43:16,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:16,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:16,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:43:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:16,099 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:43:16,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:16,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1120249835, now seen corresponding path program 1 times [2022-11-25 16:43:16,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:16,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197663090] [2022-11-25 16:43:16,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:16,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:43:16,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:43:16,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:43:16,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197663090] [2022-11-25 16:43:16,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197663090] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:43:16,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:43:16,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 16:43:16,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109943492] [2022-11-25 16:43:16,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:43:16,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:43:16,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 16:43:16,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:43:16,625 INFO L87 Difference]: Start difference. First operand has 112 states, 111 states have (on average 1.3603603603603605) internal successors, (151), 111 states have internal predecessors, (151), 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) Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:43:16,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:43:16,690 INFO L93 Difference]: Finished difference Result 109 states and 137 transitions. [2022-11-25 16:43:16,691 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 109 states and 137 transitions. [2022-11-25 16:43:16,695 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2022-11-25 16:43:16,705 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 109 states to 99 states and 127 transitions. [2022-11-25 16:43:16,706 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2022-11-25 16:43:16,707 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 99 [2022-11-25 16:43:16,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 127 transitions. [2022-11-25 16:43:16,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:43:16,709 INFO L218 hiAutomatonCegarLoop]: Abstraction has 99 states and 127 transitions. [2022-11-25 16:43:16,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 127 transitions. [2022-11-25 16:43:16,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2022-11-25 16:43:16,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 99 states have (on average 1.2828282828282829) internal successors, (127), 98 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:43:16,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 127 transitions. [2022-11-25 16:43:16,746 INFO L240 hiAutomatonCegarLoop]: Abstraction has 99 states and 127 transitions. [2022-11-25 16:43:16,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:43:16,754 INFO L428 stractBuchiCegarLoop]: Abstraction has 99 states and 127 transitions. [2022-11-25 16:43:16,754 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 16:43:16,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 127 transitions. [2022-11-25 16:43:16,759 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2022-11-25 16:43:16,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:43:16,760 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:43:16,760 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:43:16,760 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:43:16,761 INFO L748 eck$LassoCheckResult]: Stem: 337#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 292#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 293#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 304#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 276#L83 main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 277#L433 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 311#L408 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 297#L909 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 295#L294-2 [2022-11-25 16:43:16,761 INFO L750 eck$LassoCheckResult]: Loop: 295#L294-2 assume !false; 245#L295 assume test_~splverifierCounter~0#1 < 4; 246#L296 test_~tmp~3#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 296#L304 assume !(0 != test_~tmp~3#1); 324#L304-2 test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 330#L314 assume !(0 != test_~tmp___0~1#1); 268#L314-2 test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 264#L324 assume 0 != test_~tmp___2~0#1; 257#L330-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 258#L221 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 325#L919 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 326#L118 assume !(0 != ~pumpRunning~0); 266#L118-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 298#L150 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 318#L142-1 assume { :end_inline_processEnvironment__wrappee__base } true; 255#L150-1 assume { :end_inline_processEnvironment } true; 256#L125-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 273#L523 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 307#L930 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1); 308#L930-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 332#L135 assume { :end_inline_timeShift } true; 295#L294-2 [2022-11-25 16:43:16,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:16,762 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-25 16:43:16,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:16,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272222440] [2022-11-25 16:43:16,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:16,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:16,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:43:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:16,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:43:16,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:16,804 INFO L85 PathProgramCache]: Analyzing trace with hash -308918803, now seen corresponding path program 1 times [2022-11-25 16:43:16,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:16,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153540350] [2022-11-25 16:43:16,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:16,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:16,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:43:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:16,832 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:43:16,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:16,839 INFO L85 PathProgramCache]: Analyzing trace with hash -710295900, now seen corresponding path program 1 times [2022-11-25 16:43:16,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:16,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648640315] [2022-11-25 16:43:16,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:16,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:43:16,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:43:16,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:43:16,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648640315] [2022-11-25 16:43:16,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648640315] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:43:16,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:43:16,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:43:16,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811635249] [2022-11-25 16:43:16,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:43:17,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:43:17,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:43:17,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:43:17,123 INFO L87 Difference]: Start difference. First operand 99 states and 127 transitions. cyclomatic complexity: 30 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:43:17,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:43:17,299 INFO L93 Difference]: Finished difference Result 419 states and 538 transitions. [2022-11-25 16:43:17,299 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 419 states and 538 transitions. [2022-11-25 16:43:17,304 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 279 [2022-11-25 16:43:17,307 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 419 states to 419 states and 538 transitions. [2022-11-25 16:43:17,308 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 419 [2022-11-25 16:43:17,309 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 419 [2022-11-25 16:43:17,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 419 states and 538 transitions. [2022-11-25 16:43:17,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:43:17,311 INFO L218 hiAutomatonCegarLoop]: Abstraction has 419 states and 538 transitions. [2022-11-25 16:43:17,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states and 538 transitions. [2022-11-25 16:43:17,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 187. [2022-11-25 16:43:17,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 187 states have (on average 1.267379679144385) internal successors, (237), 186 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:43:17,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 237 transitions. [2022-11-25 16:43:17,324 INFO L240 hiAutomatonCegarLoop]: Abstraction has 187 states and 237 transitions. [2022-11-25 16:43:17,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 16:43:17,325 INFO L428 stractBuchiCegarLoop]: Abstraction has 187 states and 237 transitions. [2022-11-25 16:43:17,326 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 16:43:17,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 187 states and 237 transitions. [2022-11-25 16:43:17,327 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 130 [2022-11-25 16:43:17,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:43:17,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:43:17,328 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:43:17,328 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:43:17,328 INFO L748 eck$LassoCheckResult]: Stem: 889#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 833#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 834#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 845#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 814#L83 main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 815#L433 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 852#L408 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 838#L909 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 836#L294-2 [2022-11-25 16:43:17,329 INFO L750 eck$LassoCheckResult]: Loop: 836#L294-2 assume !false; 782#L295 assume test_~splverifierCounter~0#1 < 4; 783#L296 test_~tmp~3#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 837#L304 assume !(0 != test_~tmp~3#1); 870#L304-2 test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 877#L314 assume !(0 != test_~tmp___0~1#1); 806#L314-2 test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 802#L324 assume 0 != test_~tmp___2~0#1; 795#L330-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 796#L221 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 871#L919 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 872#L118 assume !(0 != ~pumpRunning~0); 804#L118-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 839#L150 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 860#L142-1 assume { :end_inline_processEnvironment__wrappee__base } true; 793#L150-1 assume { :end_inline_processEnvironment } true; 794#L125-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 811#L523 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 848#L930 assume 2 != __utac_acc__Specification5_spec__3_~tmp~8#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 841#L221-1 __utac_acc__Specification5_spec__3_#t~ret52#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 842#L934 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 959#L930-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 881#L135 assume { :end_inline_timeShift } true; 836#L294-2 [2022-11-25 16:43:17,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:17,329 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-25 16:43:17,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:17,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623451940] [2022-11-25 16:43:17,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:17,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:17,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:43:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:17,345 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:43:17,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:17,346 INFO L85 PathProgramCache]: Analyzing trace with hash -537324920, now seen corresponding path program 1 times [2022-11-25 16:43:17,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:17,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978235876] [2022-11-25 16:43:17,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:17,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:17,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:43:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:17,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:43:17,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:17,359 INFO L85 PathProgramCache]: Analyzing trace with hash 286341503, now seen corresponding path program 1 times [2022-11-25 16:43:17,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:17,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529961389] [2022-11-25 16:43:17,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:17,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:17,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:43:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:17,381 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:43:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:18,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:43:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:43:18,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 04:43:18 BoogieIcfgContainer [2022-11-25 16:43:18,635 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 16:43:18,636 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:43:18,636 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:43:18,636 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:43:18,637 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:43:15" (3/4) ... [2022-11-25 16:43:18,639 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-25 16:43:18,688 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e726e73-ecd9-4b68-9379-298027f7604b/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 16:43:18,688 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:43:18,689 INFO L158 Benchmark]: Toolchain (without parser) took 4058.27ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 80.9MB in the beginning and 64.8MB in the end (delta: 16.1MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2022-11-25 16:43:18,690 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:43:18,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.21ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 62.4MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 16:43:18,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.89ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 59.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:43:18,691 INFO L158 Benchmark]: Boogie Preprocessor took 79.03ms. Allocated memory is still 117.4MB. Free memory was 59.6MB in the beginning and 57.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:43:18,691 INFO L158 Benchmark]: RCFGBuilder took 579.37ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 57.5MB in the beginning and 114.2MB in the end (delta: -56.7MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-11-25 16:43:18,692 INFO L158 Benchmark]: BuchiAutomizer took 2871.79ms. Allocated memory is still 151.0MB. Free memory was 114.2MB in the beginning and 67.9MB in the end (delta: 46.4MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2022-11-25 16:43:18,692 INFO L158 Benchmark]: Witness Printer took 52.62ms. Allocated memory is still 151.0MB. Free memory was 67.9MB in the beginning and 64.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:43:18,695 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.21ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 62.4MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.89ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 59.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.03ms. Allocated memory is still 117.4MB. Free memory was 59.6MB in the beginning and 57.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 579.37ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 57.5MB in the beginning and 114.2MB in the end (delta: -56.7MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 2871.79ms. Allocated memory is still 151.0MB. Free memory was 114.2MB in the beginning and 67.9MB in the end (delta: 46.4MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * Witness Printer took 52.62ms. Allocated memory is still 151.0MB. Free memory was 67.9MB in the beginning and 64.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 187 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 232 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 920 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 920 mSDsluCounter, 914 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 610 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 304 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 294]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L106] int pumpRunning = 0; [L107] int systemActive = 1; [L349] int cleanupTimeShifts = 4; [L448] int waterLevel = 1; [L449] int methaneLevelCritical = 0; [L706] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L903] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L424] int retValue_acc ; [L425] int tmp ; [L429] FCALL select_helpers() [L430] FCALL select_features() [L431] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L431] RET, EXPR valid_product() [L431] tmp = valid_product() [L433] COND TRUE \read(tmp) [L435] FCALL setup() [L436] CALL runTest() [L417] CALL __utac_acc__Specification5_spec__1() [L908] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L417] RET __utac_acc__Specification5_spec__1() [L418] CALL test() [L285] int splverifierCounter ; [L286] int tmp ; [L287] int tmp___0 ; [L288] int tmp___1 ; [L289] int tmp___2 ; [L292] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L294] COND TRUE 1 [L296] COND TRUE splverifierCounter < 4 [L302] tmp = __VERIFIER_nondet_int() [L304] COND FALSE !(\read(tmp)) [L312] tmp___0 = __VERIFIER_nondet_int() [L314] COND FALSE !(\read(tmp___0)) [L322] tmp___2 = __VERIFIER_nondet_int() [L324] COND TRUE \read(tmp___2) [L337] CALL timeShift() [L116] CALL __utac_acc__Specification5_spec__2() [L917] CALL, EXPR isPumpRunning() [L217] int retValue_acc ; [L220] retValue_acc = pumpRunning [L221] return (retValue_acc); [L917] RET, EXPR isPumpRunning() [L917] switchedOnBeforeTS = isPumpRunning() [L116] RET __utac_acc__Specification5_spec__2() [L118] COND FALSE !(\read(pumpRunning)) [L125] COND TRUE \read(systemActive) [L127] CALL processEnvironment() [L147] int tmp ; [L150] COND FALSE !(\read(pumpRunning)) [L165] FCALL processEnvironment__wrappee__base() [L127] RET processEnvironment() [L133] CALL __utac_acc__Specification5_spec__3() [L923] int tmp ; [L924] int tmp___0 ; [L928] CALL, EXPR getWaterLevel() [L519] int retValue_acc ; [L522] retValue_acc = waterLevel [L523] return (retValue_acc); [L928] RET, EXPR getWaterLevel() [L928] tmp = getWaterLevel() [L930] COND TRUE tmp != 2 [L932] CALL, EXPR isPumpRunning() [L217] int retValue_acc ; [L220] retValue_acc = pumpRunning [L221] return (retValue_acc); [L932] RET, EXPR isPumpRunning() [L932] tmp___0 = isPumpRunning() [L934] COND FALSE !(\read(tmp___0)) [L133] RET __utac_acc__Specification5_spec__3() [L337] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 294]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L106] int pumpRunning = 0; [L107] int systemActive = 1; [L349] int cleanupTimeShifts = 4; [L448] int waterLevel = 1; [L449] int methaneLevelCritical = 0; [L706] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L903] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L424] int retValue_acc ; [L425] int tmp ; [L429] FCALL select_helpers() [L430] FCALL select_features() [L431] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L431] RET, EXPR valid_product() [L431] tmp = valid_product() [L433] COND TRUE \read(tmp) [L435] FCALL setup() [L436] CALL runTest() [L417] CALL __utac_acc__Specification5_spec__1() [L908] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L417] RET __utac_acc__Specification5_spec__1() [L418] CALL test() [L285] int splverifierCounter ; [L286] int tmp ; [L287] int tmp___0 ; [L288] int tmp___1 ; [L289] int tmp___2 ; [L292] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L294] COND TRUE 1 [L296] COND TRUE splverifierCounter < 4 [L302] tmp = __VERIFIER_nondet_int() [L304] COND FALSE !(\read(tmp)) [L312] tmp___0 = __VERIFIER_nondet_int() [L314] COND FALSE !(\read(tmp___0)) [L322] tmp___2 = __VERIFIER_nondet_int() [L324] COND TRUE \read(tmp___2) [L337] CALL timeShift() [L116] CALL __utac_acc__Specification5_spec__2() [L917] CALL, EXPR isPumpRunning() [L217] int retValue_acc ; [L220] retValue_acc = pumpRunning [L221] return (retValue_acc); [L917] RET, EXPR isPumpRunning() [L917] switchedOnBeforeTS = isPumpRunning() [L116] RET __utac_acc__Specification5_spec__2() [L118] COND FALSE !(\read(pumpRunning)) [L125] COND TRUE \read(systemActive) [L127] CALL processEnvironment() [L147] int tmp ; [L150] COND FALSE !(\read(pumpRunning)) [L165] FCALL processEnvironment__wrappee__base() [L127] RET processEnvironment() [L133] CALL __utac_acc__Specification5_spec__3() [L923] int tmp ; [L924] int tmp___0 ; [L928] CALL, EXPR getWaterLevel() [L519] int retValue_acc ; [L522] retValue_acc = waterLevel [L523] return (retValue_acc); [L928] RET, EXPR getWaterLevel() [L928] tmp = getWaterLevel() [L930] COND TRUE tmp != 2 [L932] CALL, EXPR isPumpRunning() [L217] int retValue_acc ; [L220] retValue_acc = pumpRunning [L221] return (retValue_acc); [L932] RET, EXPR isPumpRunning() [L932] tmp___0 = isPumpRunning() [L934] COND FALSE !(\read(tmp___0)) [L133] RET __utac_acc__Specification5_spec__3() [L337] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-25 16:43:18,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e726e73-ecd9-4b68-9379-298027f7604b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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(TERM)