./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_f0fafa43-bca1-4f89-b066-48bac61cfc62/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fafa43-bca1-4f89-b066-48bac61cfc62/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_f0fafa43-bca1-4f89-b066-48bac61cfc62/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fafa43-bca1-4f89-b066-48bac61cfc62/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fafa43-bca1-4f89-b066-48bac61cfc62/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fafa43-bca1-4f89-b066-48bac61cfc62/bin/uautomizer-uyxdKDjOR8 --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 db8fa4142710656a2cf6992c61a703485566be309c58b9bda433457e238bbe1a --- 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 13:35:48,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:35:48,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:35:48,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:35:48,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:35:48,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:35:48,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:35:48,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:35:48,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:35:48,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:35:48,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:35:48,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:35:48,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:35:48,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:35:48,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:35:48,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:35:48,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:35:48,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:35:48,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:35:48,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:35:48,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:35:48,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:35:48,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:35:48,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:35:48,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:35:48,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:35:48,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:35:48,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:35:48,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:35:48,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:35:48,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:35:48,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:35:48,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:35:48,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:35:48,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:35:48,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:35:48,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:35:48,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:35:48,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:35:48,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:35:48,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:35:48,663 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fafa43-bca1-4f89-b066-48bac61cfc62/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 13:35:48,678 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:35:48,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:35:48,679 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:35:48,679 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:35:48,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:35:48,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:35:48,680 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:35:48,680 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 13:35:48,680 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 13:35:48,680 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 13:35:48,680 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 13:35:48,680 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 13:35:48,681 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 13:35:48,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:35:48,681 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:35:48,681 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:35:48,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:35:48,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:35:48,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:35:48,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 13:35:48,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 13:35:48,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 13:35:48,682 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:35:48,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:35:48,682 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 13:35:48,682 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:35:48,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 13:35:48,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:35:48,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:35:48,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:35:48,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:35:48,683 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 13:35:48,684 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_f0fafa43-bca1-4f89-b066-48bac61cfc62/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fafa43-bca1-4f89-b066-48bac61cfc62/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db8fa4142710656a2cf6992c61a703485566be309c58b9bda433457e238bbe1a [2022-12-13 13:35:48,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:35:48,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:35:48,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:35:48,863 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:35:48,863 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:35:48,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fafa43-bca1-4f89-b066-48bac61cfc62/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c [2022-12-13 13:35:51,417 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:35:51,621 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:35:51,622 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fafa43-bca1-4f89-b066-48bac61cfc62/sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c [2022-12-13 13:35:51,631 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fafa43-bca1-4f89-b066-48bac61cfc62/bin/uautomizer-uyxdKDjOR8/data/a943e0ecd/fae78eaf74984eca979e4dec1295620c/FLAG5f00842d8 [2022-12-13 13:35:51,642 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fafa43-bca1-4f89-b066-48bac61cfc62/bin/uautomizer-uyxdKDjOR8/data/a943e0ecd/fae78eaf74984eca979e4dec1295620c [2022-12-13 13:35:51,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:35:51,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:35:51,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:35:51,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:35:51,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:35:51,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:35:51" (1/1) ... [2022-12-13 13:35:51,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3516065e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:51, skipping insertion in model container [2022-12-13 13:35:51,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:35:51" (1/1) ... [2022-12-13 13:35:51,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:35:51,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:35:51,806 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_f0fafa43-bca1-4f89-b066-48bac61cfc62/sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c[1605,1618] [2022-12-13 13:35:51,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:35:51,907 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:35:51,918 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_f0fafa43-bca1-4f89-b066-48bac61cfc62/sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c[1605,1618] [2022-12-13 13:35:51,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:35:51,976 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:35:51,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:51 WrapperNode [2022-12-13 13:35:51,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:35:51,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:35:51,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:35:51,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:35:51,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:51" (1/1) ... [2022-12-13 13:35:51,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:51" (1/1) ... [2022-12-13 13:35:52,015 INFO L138 Inliner]: procedures = 52, calls = 93, calls flagged for inlining = 46, calls inlined = 41, statements flattened = 269 [2022-12-13 13:35:52,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:35:52,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:35:52,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:35:52,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:35:52,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:51" (1/1) ... [2022-12-13 13:35:52,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:51" (1/1) ... [2022-12-13 13:35:52,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:51" (1/1) ... [2022-12-13 13:35:52,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:51" (1/1) ... [2022-12-13 13:35:52,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:51" (1/1) ... [2022-12-13 13:35:52,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:51" (1/1) ... [2022-12-13 13:35:52,036 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:51" (1/1) ... [2022-12-13 13:35:52,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:51" (1/1) ... [2022-12-13 13:35:52,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:35:52,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:35:52,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:35:52,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:35:52,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:51" (1/1) ... [2022-12-13 13:35:52,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:35:52,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fafa43-bca1-4f89-b066-48bac61cfc62/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:35:52,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fafa43-bca1-4f89-b066-48bac61cfc62/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:35:52,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fafa43-bca1-4f89-b066-48bac61cfc62/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 13:35:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:35:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:35:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:35:52,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:35:52,159 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:35:52,160 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:35:52,339 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:35:52,347 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:35:52,347 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 13:35:52,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:35:52 BoogieIcfgContainer [2022-12-13 13:35:52,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:35:52,350 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 13:35:52,350 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 13:35:52,354 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 13:35:52,355 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:35:52,355 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 01:35:51" (1/3) ... [2022-12-13 13:35:52,356 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b86caf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 01:35:52, skipping insertion in model container [2022-12-13 13:35:52,356 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:35:52,356 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:51" (2/3) ... [2022-12-13 13:35:52,357 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b86caf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 01:35:52, skipping insertion in model container [2022-12-13 13:35:52,357 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:35:52,357 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:35:52" (3/3) ... [2022-12-13 13:35:52,358 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product03.cil.c [2022-12-13 13:35:52,429 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 13:35:52,429 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 13:35:52,430 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 13:35:52,430 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 13:35:52,430 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 13:35:52,430 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 13:35:52,430 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 13:35:52,430 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 13:35:52,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 89 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 88 states have internal predecessors, (120), 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) [2022-12-13 13:35:52,454 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2022-12-13 13:35:52,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:35:52,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:35:52,461 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:35:52,461 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:35:52,461 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 13:35:52,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 89 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 88 states have internal predecessors, (120), 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) [2022-12-13 13:35:52,466 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2022-12-13 13:35:52,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:35:52,466 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:35:52,467 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:35:52,467 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:35:52,472 INFO L748 eck$LassoCheckResult]: Stem: 39#$Ultimate##0true 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 50#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 33#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 48#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 28#valid_product_returnLabel#1true main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 21#L517true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 5#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 63#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 51#L710-2true [2022-12-13 13:35:52,473 INFO L750 eck$LassoCheckResult]: Loop: 51#L710-2true assume !false; 55#L711true assume test_~splverifierCounter~0#1 < 4; 84#L712true test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 40#L720true assume !(0 != test_~tmp~4#1); 57#L720-2true test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 70#L730true assume !(0 != test_~tmp___0~0#1); 62#L730-2true test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 58#L740true assume 0 != test_~tmp___2~0#1; 22#L746-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret42#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 60#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret42#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret42#1;havoc __utac_acc__Specification5_spec__2_#t~ret42#1; 16#__utac_acc__Specification5_spec__2_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 14#L585true assume !(0 != ~pumpRunning~0); 54#L585-2true assume !(0 != ~systemActive~0); 71#L592-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret43#1, __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 79#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret43#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret43#1;havoc __utac_acc__Specification5_spec__3_#t~ret43#1; 9#L795true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1); 24#L795-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 80#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 51#L710-2true [2022-12-13 13:35:52,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:35:52,479 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-12-13 13:35:52,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:35:52,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419908614] [2022-12-13 13:35:52,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:35:52,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:35:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:52,582 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:35:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:52,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:35:52,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:35:52,615 INFO L85 PathProgramCache]: Analyzing trace with hash -2013527700, now seen corresponding path program 1 times [2022-12-13 13:35:52,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:35:52,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100880923] [2022-12-13 13:35:52,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:35:52,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:35:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:52,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:35:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:52,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:35:52,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:35:52,631 INFO L85 PathProgramCache]: Analyzing trace with hash 942087189, now seen corresponding path program 1 times [2022-12-13 13:35:52,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:35:52,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672855617] [2022-12-13 13:35:52,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:35:52,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:35:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:35:52,785 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 13:35:52,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:35:52,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672855617] [2022-12-13 13:35:52,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672855617] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:35:52,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:35:52,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:35:52,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32912730] [2022-12-13 13:35:52,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:35:52,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:35:52,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:35:52,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:35:52,935 INFO L87 Difference]: Start difference. First operand has 89 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 88 states have internal predecessors, (120), 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) [2022-12-13 13:35:53,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:35:53,023 INFO L93 Difference]: Finished difference Result 237 states and 300 transitions. [2022-12-13 13:35:53,024 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 237 states and 300 transitions. [2022-12-13 13:35:53,030 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 149 [2022-12-13 13:35:53,033 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 237 states to 207 states and 270 transitions. [2022-12-13 13:35:53,034 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2022-12-13 13:35:53,035 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2022-12-13 13:35:53,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 270 transitions. [2022-12-13 13:35:53,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:35:53,036 INFO L218 hiAutomatonCegarLoop]: Abstraction has 207 states and 270 transitions. [2022-12-13 13:35:53,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 270 transitions. [2022-12-13 13:35:53,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 137. [2022-12-13 13:35:53,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 1.3065693430656935) internal successors, (179), 136 states have internal predecessors, (179), 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) [2022-12-13 13:35:53,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 179 transitions. [2022-12-13 13:35:53,059 INFO L240 hiAutomatonCegarLoop]: Abstraction has 137 states and 179 transitions. [2022-12-13 13:35:53,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:35:53,063 INFO L428 stractBuchiCegarLoop]: Abstraction has 137 states and 179 transitions. [2022-12-13 13:35:53,063 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 13:35:53,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 179 transitions. [2022-12-13 13:35:53,064 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 98 [2022-12-13 13:35:53,064 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:35:53,064 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:35:53,065 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:35:53,065 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] [2022-12-13 13:35:53,065 INFO L748 eck$LassoCheckResult]: Stem: 395#$Ultimate##0 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 396#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 386#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 387#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 379#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 369#L517 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 344#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 345#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 408#L710-2 [2022-12-13 13:35:53,065 INFO L750 eck$LassoCheckResult]: Loop: 408#L710-2 assume !false; 409#L711 assume test_~splverifierCounter~0#1 < 4; 410#L712 test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 397#L720 assume !(0 != test_~tmp~4#1); 361#L720-2 test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 411#L730 assume !(0 != test_~tmp___0~0#1); 414#L730-2 test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 412#L740 assume 0 != test_~tmp___2~0#1; 370#L746-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret42#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 371#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret42#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret42#1;havoc __utac_acc__Specification5_spec__2_#t~ret42#1; 364#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 362#L585 assume !(0 != ~pumpRunning~0); 363#L585-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 380#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 381#L592-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret43#1, __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 418#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret43#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret43#1;havoc __utac_acc__Specification5_spec__3_#t~ret43#1; 350#L795 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1); 352#L795-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 373#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 408#L710-2 [2022-12-13 13:35:53,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:35:53,066 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-12-13 13:35:53,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:35:53,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972755609] [2022-12-13 13:35:53,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:35:53,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:35:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:53,073 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:35:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:53,080 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:35:53,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:35:53,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1661915626, now seen corresponding path program 1 times [2022-12-13 13:35:53,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:35:53,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96592049] [2022-12-13 13:35:53,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:35:53,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:35:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:53,086 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:35:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:53,090 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:35:53,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:35:53,091 INFO L85 PathProgramCache]: Analyzing trace with hash -232167283, now seen corresponding path program 1 times [2022-12-13 13:35:53,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:35:53,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184346453] [2022-12-13 13:35:53,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:35:53,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:35:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:35:53,159 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 13:35:53,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:35:53,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184346453] [2022-12-13 13:35:53,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184346453] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:35:53,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:35:53,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:35:53,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934501256] [2022-12-13 13:35:53,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:35:53,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:35:53,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:35:53,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:35:53,260 INFO L87 Difference]: Start difference. First operand 137 states and 179 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2022-12-13 13:35:53,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:35:53,345 INFO L93 Difference]: Finished difference Result 353 states and 459 transitions. [2022-12-13 13:35:53,345 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 353 states and 459 transitions. [2022-12-13 13:35:53,349 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 238 [2022-12-13 13:35:53,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 353 states to 353 states and 459 transitions. [2022-12-13 13:35:53,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 353 [2022-12-13 13:35:53,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 353 [2022-12-13 13:35:53,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 353 states and 459 transitions. [2022-12-13 13:35:53,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:35:53,352 INFO L218 hiAutomatonCegarLoop]: Abstraction has 353 states and 459 transitions. [2022-12-13 13:35:53,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states and 459 transitions. [2022-12-13 13:35:53,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 264. [2022-12-13 13:35:53,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 264 states have (on average 1.2878787878787878) internal successors, (340), 263 states have internal predecessors, (340), 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) [2022-12-13 13:35:53,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 340 transitions. [2022-12-13 13:35:53,362 INFO L240 hiAutomatonCegarLoop]: Abstraction has 264 states and 340 transitions. [2022-12-13 13:35:53,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:35:53,363 INFO L428 stractBuchiCegarLoop]: Abstraction has 264 states and 340 transitions. [2022-12-13 13:35:53,363 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 13:35:53,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 264 states and 340 transitions. [2022-12-13 13:35:53,364 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 194 [2022-12-13 13:35:53,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:35:53,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:35:53,365 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:35:53,365 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] [2022-12-13 13:35:53,365 INFO L748 eck$LassoCheckResult]: Stem: 910#$Ultimate##0 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 911#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 897#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 898#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 892#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 879#L517 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 853#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 854#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 926#L710-2 [2022-12-13 13:35:53,365 INFO L750 eck$LassoCheckResult]: Loop: 926#L710-2 assume !false; 927#L711 assume test_~splverifierCounter~0#1 < 4; 930#L712 test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 907#L720 assume !(0 != test_~tmp~4#1); 909#L720-2 test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 1034#L730 assume !(0 != test_~tmp___0~0#1); 1029#L730-2 test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 1024#L740 assume 0 != test_~tmp___2~0#1; 1023#L746-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret42#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 1021#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret42#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret42#1;havoc __utac_acc__Specification5_spec__2_#t~ret42#1; 1018#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 994#L585 assume !(0 != ~pumpRunning~0); 990#L585-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 987#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 988#L592-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret43#1, __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 950#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret43#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret43#1;havoc __utac_acc__Specification5_spec__3_#t~ret43#1; 951#L795 assume 2 != __utac_acc__Specification5_spec__3_~tmp~5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 956#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret44#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret44#1;havoc __utac_acc__Specification5_spec__3_#t~ret44#1; 945#L799 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1); 874#L795-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 952#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 926#L710-2 [2022-12-13 13:35:53,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:35:53,366 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-12-13 13:35:53,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:35:53,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901696432] [2022-12-13 13:35:53,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:35:53,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:35:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:53,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:35:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:53,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:35:53,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:35:53,377 INFO L85 PathProgramCache]: Analyzing trace with hash 607818289, now seen corresponding path program 1 times [2022-12-13 13:35:53,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:35:53,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985706499] [2022-12-13 13:35:53,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:35:53,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:35:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:53,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:35:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:53,385 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:35:53,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:35:53,386 INFO L85 PathProgramCache]: Analyzing trace with hash 206441192, now seen corresponding path program 1 times [2022-12-13 13:35:53,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:35:53,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791862260] [2022-12-13 13:35:53,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:35:53,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:35:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:53,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:35:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:53,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:35:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:54,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:35:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:54,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 01:35:54 BoogieIcfgContainer [2022-12-13 13:35:54,160 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 13:35:54,160 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:35:54,160 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:35:54,160 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:35:54,161 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:35:52" (3/4) ... [2022-12-13 13:35:54,162 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 13:35:54,201 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fafa43-bca1-4f89-b066-48bac61cfc62/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:35:54,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:35:54,202 INFO L158 Benchmark]: Toolchain (without parser) took 2556.22ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 90.3MB in the beginning and 83.7MB in the end (delta: 6.6MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2022-12-13 13:35:54,202 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory was 68.1MB in the beginning and 67.9MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:35:54,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.27ms. Allocated memory is still 125.8MB. Free memory was 89.9MB in the beginning and 72.0MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 13:35:54,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.84ms. Allocated memory is still 125.8MB. Free memory was 72.0MB in the beginning and 69.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:35:54,204 INFO L158 Benchmark]: Boogie Preprocessor took 23.98ms. Allocated memory is still 125.8MB. Free memory was 69.9MB in the beginning and 68.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:35:54,204 INFO L158 Benchmark]: RCFGBuilder took 308.15ms. Allocated memory is still 125.8MB. Free memory was 68.3MB in the beginning and 52.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 13:35:54,204 INFO L158 Benchmark]: BuchiAutomizer took 1809.85ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 52.7MB in the beginning and 85.8MB in the end (delta: -33.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:35:54,205 INFO L158 Benchmark]: Witness Printer took 41.04ms. Allocated memory is still 151.0MB. Free memory was 85.8MB in the beginning and 83.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:35:54,207 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory was 68.1MB in the beginning and 67.9MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.27ms. Allocated memory is still 125.8MB. Free memory was 89.9MB in the beginning and 72.0MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.84ms. Allocated memory is still 125.8MB. Free memory was 72.0MB in the beginning and 69.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.98ms. Allocated memory is still 125.8MB. Free memory was 69.9MB in the beginning and 68.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 308.15ms. Allocated memory is still 125.8MB. Free memory was 68.3MB in the beginning and 52.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 1809.85ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 52.7MB in the beginning and 85.8MB in the end (delta: -33.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 41.04ms. Allocated memory is still 151.0MB. Free memory was 85.8MB in the beginning and 83.7MB in the end (delta: 2.1MB). 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 264 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 159 StatesRemovedByMinimization, 2 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, 675 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 675 mSDsluCounter, 1165 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 933 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 232 mSDtfsCounter, 107 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: 710]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L425] int cleanupTimeShifts = 4; [L573] int pumpRunning = 0; [L574] int systemActive = 1; [L768] int switchedOnBeforeTS ; [L817] int waterLevel = 1; [L818] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L508] int retValue_acc ; [L509] int tmp ; [L513] FCALL select_helpers() [L514] FCALL select_features() [L515] CALL, EXPR valid_product() [L557] int retValue_acc ; [L560] retValue_acc = 1 [L561] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L515] RET, EXPR valid_product() [L515] tmp = valid_product() [L517] COND TRUE \read(tmp) [L519] FCALL setup() [L520] CALL runTest() [L498] CALL __utac_acc__Specification5_spec__1() [L773] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L498] RET __utac_acc__Specification5_spec__1() [L499] CALL test() [L701] int splverifierCounter ; [L702] int tmp ; [L703] int tmp___0 ; [L704] int tmp___1 ; [L705] int tmp___2 ; [L708] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L710] COND TRUE 1 [L712] COND TRUE splverifierCounter < 4 [L718] tmp = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp)) [L728] tmp___0 = __VERIFIER_nondet_int() [L730] COND FALSE !(\read(tmp___0)) [L738] tmp___2 = __VERIFIER_nondet_int() [L740] COND TRUE \read(tmp___2) [L755] CALL timeShift() [L583] CALL __utac_acc__Specification5_spec__2() [L782] CALL, EXPR isPumpRunning() [L640] int retValue_acc ; [L643] retValue_acc = pumpRunning [L644] return (retValue_acc); [L782] RET, EXPR isPumpRunning() [L782] switchedOnBeforeTS = isPumpRunning() [L583] RET __utac_acc__Specification5_spec__2() [L585] COND FALSE !(\read(pumpRunning)) [L592] COND TRUE \read(systemActive) [L594] FCALL processEnvironment() [L600] CALL __utac_acc__Specification5_spec__3() [L788] int tmp ; [L789] int tmp___0 ; [L793] CALL, EXPR getWaterLevel() [L888] int retValue_acc ; [L891] retValue_acc = waterLevel [L892] return (retValue_acc); [L793] RET, EXPR getWaterLevel() [L793] tmp = getWaterLevel() [L795] COND TRUE tmp != 2 [L797] CALL, EXPR isPumpRunning() [L640] int retValue_acc ; [L643] retValue_acc = pumpRunning [L644] return (retValue_acc); [L797] RET, EXPR isPumpRunning() [L797] tmp___0 = isPumpRunning() [L799] COND FALSE !(\read(tmp___0)) [L600] RET __utac_acc__Specification5_spec__3() [L755] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 710]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L425] int cleanupTimeShifts = 4; [L573] int pumpRunning = 0; [L574] int systemActive = 1; [L768] int switchedOnBeforeTS ; [L817] int waterLevel = 1; [L818] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L508] int retValue_acc ; [L509] int tmp ; [L513] FCALL select_helpers() [L514] FCALL select_features() [L515] CALL, EXPR valid_product() [L557] int retValue_acc ; [L560] retValue_acc = 1 [L561] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L515] RET, EXPR valid_product() [L515] tmp = valid_product() [L517] COND TRUE \read(tmp) [L519] FCALL setup() [L520] CALL runTest() [L498] CALL __utac_acc__Specification5_spec__1() [L773] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L498] RET __utac_acc__Specification5_spec__1() [L499] CALL test() [L701] int splverifierCounter ; [L702] int tmp ; [L703] int tmp___0 ; [L704] int tmp___1 ; [L705] int tmp___2 ; [L708] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L710] COND TRUE 1 [L712] COND TRUE splverifierCounter < 4 [L718] tmp = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp)) [L728] tmp___0 = __VERIFIER_nondet_int() [L730] COND FALSE !(\read(tmp___0)) [L738] tmp___2 = __VERIFIER_nondet_int() [L740] COND TRUE \read(tmp___2) [L755] CALL timeShift() [L583] CALL __utac_acc__Specification5_spec__2() [L782] CALL, EXPR isPumpRunning() [L640] int retValue_acc ; [L643] retValue_acc = pumpRunning [L644] return (retValue_acc); [L782] RET, EXPR isPumpRunning() [L782] switchedOnBeforeTS = isPumpRunning() [L583] RET __utac_acc__Specification5_spec__2() [L585] COND FALSE !(\read(pumpRunning)) [L592] COND TRUE \read(systemActive) [L594] FCALL processEnvironment() [L600] CALL __utac_acc__Specification5_spec__3() [L788] int tmp ; [L789] int tmp___0 ; [L793] CALL, EXPR getWaterLevel() [L888] int retValue_acc ; [L891] retValue_acc = waterLevel [L892] return (retValue_acc); [L793] RET, EXPR getWaterLevel() [L793] tmp = getWaterLevel() [L795] COND TRUE tmp != 2 [L797] CALL, EXPR isPumpRunning() [L640] int retValue_acc ; [L643] retValue_acc = pumpRunning [L644] return (retValue_acc); [L797] RET, EXPR isPumpRunning() [L797] tmp___0 = isPumpRunning() [L799] COND FALSE !(\read(tmp___0)) [L600] RET __utac_acc__Specification5_spec__3() [L755] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 13:35:54,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fafa43-bca1-4f89-b066-48bac61cfc62/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (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(TERM)