./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product45.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_d95b8e2f-7502-4a2f-a372-482f8578610f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95b8e2f-7502-4a2f-a372-482f8578610f/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_d95b8e2f-7502-4a2f-a372-482f8578610f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95b8e2f-7502-4a2f-a372-482f8578610f/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95b8e2f-7502-4a2f-a372-482f8578610f/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_d95b8e2f-7502-4a2f-a372-482f8578610f/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 603cfb64133b588a2e9c81e31ac984484d295feb0a468539180131e3ac5a47d6 --- 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 15:37:57,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:37:57,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:37:57,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:37:57,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:37:57,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:37:57,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:37:57,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:37:57,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:37:57,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:37:57,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:37:57,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:37:57,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:37:57,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:37:57,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:37:57,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:37:57,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:37:57,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:37:57,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:37:57,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:37:57,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:37:57,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:37:57,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:37:57,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:37:57,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:37:57,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:37:57,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:37:57,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:37:57,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:37:57,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:37:57,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:37:57,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:37:57,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:37:57,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:37:57,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:37:57,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:37:57,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:37:57,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:37:57,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:37:57,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:37:57,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:37:57,858 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95b8e2f-7502-4a2f-a372-482f8578610f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 15:37:57,877 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:37:57,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:37:57,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:37:57,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:37:57,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:37:57,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:37:57,879 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:37:57,879 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 15:37:57,879 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 15:37:57,879 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 15:37:57,880 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 15:37:57,880 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 15:37:57,880 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 15:37:57,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:37:57,880 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:37:57,880 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:37:57,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:37:57,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:37:57,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:37:57,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 15:37:57,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 15:37:57,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 15:37:57,881 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:37:57,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:37:57,882 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 15:37:57,882 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:37:57,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 15:37:57,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:37:57,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:37:57,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:37:57,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:37:57,884 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 15:37:57,884 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_d95b8e2f-7502-4a2f-a372-482f8578610f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95b8e2f-7502-4a2f-a372-482f8578610f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 603cfb64133b588a2e9c81e31ac984484d295feb0a468539180131e3ac5a47d6 [2022-12-13 15:37:58,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:37:58,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:37:58,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:37:58,106 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:37:58,106 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:37:58,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95b8e2f-7502-4a2f-a372-482f8578610f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c [2022-12-13 15:38:00,665 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:38:00,820 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:38:00,821 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95b8e2f-7502-4a2f-a372-482f8578610f/sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c [2022-12-13 15:38:00,828 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95b8e2f-7502-4a2f-a372-482f8578610f/bin/uautomizer-uyxdKDjOR8/data/02118ddf3/f1d31d8d5c4d4f71a0f775d9ae9af705/FLAG32c2f9d71 [2022-12-13 15:38:00,838 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95b8e2f-7502-4a2f-a372-482f8578610f/bin/uautomizer-uyxdKDjOR8/data/02118ddf3/f1d31d8d5c4d4f71a0f775d9ae9af705 [2022-12-13 15:38:00,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:38:00,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:38:00,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:38:00,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:38:00,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:38:00,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:38:00" (1/1) ... [2022-12-13 15:38:00,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60486b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:00, skipping insertion in model container [2022-12-13 15:38:00,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:38:00" (1/1) ... [2022-12-13 15:38:00,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:38:00,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:38:00,992 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_d95b8e2f-7502-4a2f-a372-482f8578610f/sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c[3064,3077] [2022-12-13 15:38:01,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:38:01,057 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:38:01,069 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_d95b8e2f-7502-4a2f-a372-482f8578610f/sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c[3064,3077] [2022-12-13 15:38:01,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:38:01,114 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:38:01,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:01 WrapperNode [2022-12-13 15:38:01,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:38:01,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:38:01,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:38:01,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:38:01,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:01" (1/1) ... [2022-12-13 15:38:01,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:01" (1/1) ... [2022-12-13 15:38:01,154 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 55, calls inlined = 102, statements flattened = 691 [2022-12-13 15:38:01,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:38:01,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:38:01,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:38:01,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:38:01,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:01" (1/1) ... [2022-12-13 15:38:01,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:01" (1/1) ... [2022-12-13 15:38:01,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:01" (1/1) ... [2022-12-13 15:38:01,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:01" (1/1) ... [2022-12-13 15:38:01,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:01" (1/1) ... [2022-12-13 15:38:01,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:01" (1/1) ... [2022-12-13 15:38:01,175 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:01" (1/1) ... [2022-12-13 15:38:01,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:01" (1/1) ... [2022-12-13 15:38:01,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:38:01,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:38:01,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:38:01,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:38:01,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:01" (1/1) ... [2022-12-13 15:38:01,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:38:01,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95b8e2f-7502-4a2f-a372-482f8578610f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:38:01,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95b8e2f-7502-4a2f-a372-482f8578610f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:38:01,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95b8e2f-7502-4a2f-a372-482f8578610f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 15:38:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:38:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:38:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:38:01,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:38:01,285 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:38:01,287 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:38:01,660 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:38:01,665 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:38:01,666 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 15:38:01,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:38:01 BoogieIcfgContainer [2022-12-13 15:38:01,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:38:01,668 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 15:38:01,668 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 15:38:01,671 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 15:38:01,672 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:38:01,672 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 03:38:00" (1/3) ... [2022-12-13 15:38:01,673 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bb37cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 03:38:01, skipping insertion in model container [2022-12-13 15:38:01,673 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:38:01,673 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:38:01" (2/3) ... [2022-12-13 15:38:01,673 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bb37cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 03:38:01, skipping insertion in model container [2022-12-13 15:38:01,673 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:38:01,673 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:38:01" (3/3) ... [2022-12-13 15:38:01,674 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product45.cil.c [2022-12-13 15:38:01,716 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 15:38:01,717 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 15:38:01,717 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 15:38:01,717 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 15:38:01,717 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 15:38:01,717 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 15:38:01,717 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 15:38:01,717 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 15:38:01,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 190 states, 189 states have (on average 1.3544973544973544) internal successors, (256), 189 states have internal predecessors, (256), 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 15:38:01,740 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2022-12-13 15:38:01,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:38:01,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:38:01,746 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:38:01,746 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 15:38:01,746 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 15:38:01,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 190 states, 189 states have (on average 1.3544973544973544) internal successors, (256), 189 states have internal predecessors, (256), 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 15:38:01,752 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2022-12-13 15:38:01,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:38:01,752 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:38:01,753 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:38:01,753 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 15:38:01,757 INFO L748 eck$LassoCheckResult]: Stem: 38#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 56#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 29#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 144#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 126#valid_product_returnLabel#1true main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 115#L965true assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 100#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; 163#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 65#L789-2true [2022-12-13 15:38:01,758 INFO L750 eck$LassoCheckResult]: Loop: 65#L789-2true assume !false; 103#L790true assume test_~splverifierCounter~0#1 < 4; 42#L791true test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 175#L799true assume !(0 != test_~tmp~8#1); 44#L799-2true test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 171#L809true assume !(0 != test_~tmp___0~2#1); 128#L809-2true test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 64#L819true assume 0 != test_~tmp___2~0#1; 178#L825-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret32#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; 157#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret32#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret32#1;havoc __utac_acc__Specification5_spec__2_#t~ret32#1; 112#__utac_acc__Specification5_spec__2_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 62#L590true assume !(0 != ~pumpRunning~0); 167#L590-2true assume !(0 != ~systemActive~0); 22#L597-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret33#1, __utac_acc__Specification5_spec__3_#t~ret34#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 85#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret33#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret33#1;havoc __utac_acc__Specification5_spec__3_#t~ret33#1; 191#L554true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); 13#L554-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 86#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 65#L789-2true [2022-12-13 15:38:01,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:38:01,762 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-12-13 15:38:01,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:38:01,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367429448] [2022-12-13 15:38:01,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:38:01,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:38:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:38:01,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:38:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:38:01,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:38:01,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:38:01,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1561270964, now seen corresponding path program 1 times [2022-12-13 15:38:01,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:38:01,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666477113] [2022-12-13 15:38:01,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:38:01,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:38:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:38:01,903 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:38:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:38:01,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:38:01,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:38:01,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1394343925, now seen corresponding path program 1 times [2022-12-13 15:38:01,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:38:01,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675823109] [2022-12-13 15:38:01,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:38:01,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:38:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:02,061 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 15:38:02,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:38:02,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675823109] [2022-12-13 15:38:02,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675823109] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:38:02,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:38:02,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:38:02,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365745361] [2022-12-13 15:38:02,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:38:02,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:38:02,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:38:02,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:38:02,206 INFO L87 Difference]: Start difference. First operand has 190 states, 189 states have (on average 1.3544973544973544) internal successors, (256), 189 states have internal predecessors, (256), 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 15:38:02,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:38:02,264 INFO L93 Difference]: Finished difference Result 187 states and 242 transitions. [2022-12-13 15:38:02,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 187 states and 242 transitions. [2022-12-13 15:38:02,268 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2022-12-13 15:38:02,271 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 187 states to 177 states and 232 transitions. [2022-12-13 15:38:02,272 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 177 [2022-12-13 15:38:02,272 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 177 [2022-12-13 15:38:02,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 177 states and 232 transitions. [2022-12-13 15:38:02,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:38:02,274 INFO L218 hiAutomatonCegarLoop]: Abstraction has 177 states and 232 transitions. [2022-12-13 15:38:02,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states and 232 transitions. [2022-12-13 15:38:02,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2022-12-13 15:38:02,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 177 states have (on average 1.310734463276836) internal successors, (232), 176 states have internal predecessors, (232), 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 15:38:02,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 232 transitions. [2022-12-13 15:38:02,300 INFO L240 hiAutomatonCegarLoop]: Abstraction has 177 states and 232 transitions. [2022-12-13 15:38:02,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:38:02,304 INFO L428 stractBuchiCegarLoop]: Abstraction has 177 states and 232 transitions. [2022-12-13 15:38:02,304 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 15:38:02,304 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 177 states and 232 transitions. [2022-12-13 15:38:02,306 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2022-12-13 15:38:02,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:38:02,306 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:38:02,307 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:38:02,307 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] [2022-12-13 15:38:02,307 INFO L748 eck$LassoCheckResult]: Stem: 461#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 462#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 446#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 447#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 552#valid_product_returnLabel#1 main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 540#L965 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 528#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; 529#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 495#L789-2 [2022-12-13 15:38:02,307 INFO L750 eck$LassoCheckResult]: Loop: 495#L789-2 assume !false; 496#L790 assume test_~splverifierCounter~0#1 < 4; 465#L791 test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 466#L799 assume !(0 != test_~tmp~8#1); 468#L799-2 test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 469#L809 assume !(0 != test_~tmp___0~2#1); 409#L809-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 491#L819 assume 0 != test_~tmp___2~0#1; 492#L825-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret32#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; 565#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret32#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret32#1;havoc __utac_acc__Specification5_spec__2_#t~ret32#1; 537#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 489#L590 assume !(0 != ~pumpRunning~0); 438#L590-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 568#L648 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret35#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 535#L622-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 395#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 396#L622-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 470#L648-1 assume { :end_inline_processEnvironment } true; 432#L597-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret33#1, __utac_acc__Specification5_spec__3_#t~ret34#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 433#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret33#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret33#1;havoc __utac_acc__Specification5_spec__3_#t~ret33#1; 514#L554 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); 410#L554-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 411#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 495#L789-2 [2022-12-13 15:38:02,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:38:02,308 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-12-13 15:38:02,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:38:02,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009519029] [2022-12-13 15:38:02,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:38:02,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:38:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:38:02,315 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:38:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:38:02,322 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:38:02,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:38:02,322 INFO L85 PathProgramCache]: Analyzing trace with hash 613075257, now seen corresponding path program 1 times [2022-12-13 15:38:02,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:38:02,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819245676] [2022-12-13 15:38:02,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:38:02,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:38:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:02,339 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 15:38:02,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:38:02,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819245676] [2022-12-13 15:38:02,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819245676] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:38:02,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:38:02,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:38:02,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071094214] [2022-12-13 15:38:02,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:38:02,341 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 15:38:02,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:38:02,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:38:02,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:38:02,342 INFO L87 Difference]: Start difference. First operand 177 states and 232 transitions. cyclomatic complexity: 57 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 15:38:02,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:38:02,401 INFO L93 Difference]: Finished difference Result 247 states and 312 transitions. [2022-12-13 15:38:02,401 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 247 states and 312 transitions. [2022-12-13 15:38:02,402 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 170 [2022-12-13 15:38:02,403 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 247 states to 247 states and 312 transitions. [2022-12-13 15:38:02,404 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 247 [2022-12-13 15:38:02,404 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 247 [2022-12-13 15:38:02,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 247 states and 312 transitions. [2022-12-13 15:38:02,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:38:02,405 INFO L218 hiAutomatonCegarLoop]: Abstraction has 247 states and 312 transitions. [2022-12-13 15:38:02,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states and 312 transitions. [2022-12-13 15:38:02,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2022-12-13 15:38:02,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 247 states have (on average 1.263157894736842) internal successors, (312), 246 states have internal predecessors, (312), 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 15:38:02,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 312 transitions. [2022-12-13 15:38:02,411 INFO L240 hiAutomatonCegarLoop]: Abstraction has 247 states and 312 transitions. [2022-12-13 15:38:02,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:38:02,412 INFO L428 stractBuchiCegarLoop]: Abstraction has 247 states and 312 transitions. [2022-12-13 15:38:02,413 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 15:38:02,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 247 states and 312 transitions. [2022-12-13 15:38:02,414 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 170 [2022-12-13 15:38:02,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:38:02,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:38:02,414 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:38:02,414 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, 1, 1, 1, 1, 1, 1] [2022-12-13 15:38:02,415 INFO L748 eck$LassoCheckResult]: Stem: 885#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 886#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 873#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 874#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 991#valid_product_returnLabel#1 main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 975#L965 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 960#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; 961#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 923#L789-2 [2022-12-13 15:38:02,415 INFO L750 eck$LassoCheckResult]: Loop: 923#L789-2 assume !false; 924#L790 assume test_~splverifierCounter~0#1 < 4; 889#L791 test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 890#L799 assume !(0 != test_~tmp~8#1); 892#L799-2 test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 893#L809 assume !(0 != test_~tmp___0~2#1); 832#L809-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 920#L819 assume 0 != test_~tmp___2~0#1; 921#L825-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret32#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; 1008#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret32#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret32#1;havoc __utac_acc__Specification5_spec__2_#t~ret32#1; 971#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 916#L590 assume !(0 != ~pumpRunning~0); 917#L590-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1011#L648 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret35#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 969#L622-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~8#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 913#L140-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 907#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret47#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret47#1;havoc isHighWaterLevel_#t~ret47#1; 908#L767-3 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 910#L767-5 isHighWaterLevel_~retValue_acc~8#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1; 938#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__methaneQuery_#t~ret35#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~4#1 := processEnvironment__wrappee__methaneQuery_#t~ret35#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret35#1; 870#L626-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 872#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 900#L622-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 895#L648-1 assume { :end_inline_processEnvironment } true; 859#L597-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret33#1, __utac_acc__Specification5_spec__3_#t~ret34#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 860#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret33#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret33#1;havoc __utac_acc__Specification5_spec__3_#t~ret33#1; 943#L554 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); 840#L554-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 841#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 923#L789-2 [2022-12-13 15:38:02,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:38:02,415 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-12-13 15:38:02,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:38:02,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644348054] [2022-12-13 15:38:02,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:38:02,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:38:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:38:02,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:38:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:38:02,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:38:02,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:38:02,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1309496017, now seen corresponding path program 1 times [2022-12-13 15:38:02,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:38:02,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796473722] [2022-12-13 15:38:02,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:38:02,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:38:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:38:02,484 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 15:38:02,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:38:02,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796473722] [2022-12-13 15:38:02,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796473722] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:38:02,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:38:02,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:38:02,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990941767] [2022-12-13 15:38:02,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:38:02,486 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 15:38:02,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:38:02,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:38:02,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:38:02,487 INFO L87 Difference]: Start difference. First operand 247 states and 312 transitions. cyclomatic complexity: 67 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 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) [2022-12-13 15:38:02,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:38:02,661 INFO L93 Difference]: Finished difference Result 1143 states and 1436 transitions. [2022-12-13 15:38:02,662 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1143 states and 1436 transitions. [2022-12-13 15:38:02,670 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 781 [2022-12-13 15:38:02,676 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1143 states to 1143 states and 1436 transitions. [2022-12-13 15:38:02,676 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1143 [2022-12-13 15:38:02,677 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1143 [2022-12-13 15:38:02,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1143 states and 1436 transitions. [2022-12-13 15:38:02,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:38:02,681 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1143 states and 1436 transitions. [2022-12-13 15:38:02,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states and 1436 transitions. [2022-12-13 15:38:02,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 483. [2022-12-13 15:38:02,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 483 states have (on average 1.2505175983436854) internal successors, (604), 482 states have internal predecessors, (604), 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 15:38:02,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 604 transitions. [2022-12-13 15:38:02,705 INFO L240 hiAutomatonCegarLoop]: Abstraction has 483 states and 604 transitions. [2022-12-13 15:38:02,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 15:38:02,706 INFO L428 stractBuchiCegarLoop]: Abstraction has 483 states and 604 transitions. [2022-12-13 15:38:02,706 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 15:38:02,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 483 states and 604 transitions. [2022-12-13 15:38:02,708 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 338 [2022-12-13 15:38:02,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:38:02,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:38:02,709 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:38:02,709 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:38:02,710 INFO L748 eck$LassoCheckResult]: Stem: 2296#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 2297#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 2283#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2284#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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 2410#valid_product_returnLabel#1 main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 2395#L965 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 2376#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; 2377#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2359#L789-2 [2022-12-13 15:38:02,710 INFO L750 eck$LassoCheckResult]: Loop: 2359#L789-2 assume !false; 2665#L790 assume test_~splverifierCounter~0#1 < 4; 2666#L791 test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 2689#L799 assume !(0 != test_~tmp~8#1); 2687#L799-2 test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 2685#L809 assume !(0 != test_~tmp___0~2#1); 2683#L809-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 2681#L819 assume 0 != test_~tmp___2~0#1; 2680#L825-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret32#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; 2679#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret32#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret32#1;havoc __utac_acc__Specification5_spec__2_#t~ret32#1; 2678#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2677#L590 assume !(0 != ~pumpRunning~0); 2676#L590-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 2594#L648 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret35#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 2592#L622-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~8#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 2591#L140-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 2325#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret47#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret47#1;havoc isHighWaterLevel_#t~ret47#1; 2588#L767-3 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 2586#L767-5 isHighWaterLevel_~retValue_acc~8#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1; 2584#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__methaneQuery_#t~ret35#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~4#1 := processEnvironment__wrappee__methaneQuery_#t~ret35#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret35#1; 2581#L626-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2582#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 2667#L622-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 2403#L648-1 assume { :end_inline_processEnvironment } true; 2269#L597-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret33#1, __utac_acc__Specification5_spec__3_#t~ret34#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 2270#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret33#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret33#1;havoc __utac_acc__Specification5_spec__3_#t~ret33#1; 2450#L554 assume 2 != __utac_acc__Specification5_spec__3_~tmp~3#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; 2365#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret34#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret34#1;havoc __utac_acc__Specification5_spec__3_#t~ret34#1; 2366#L558 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 2670#L554-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2358#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 2359#L789-2 [2022-12-13 15:38:02,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:38:02,711 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2022-12-13 15:38:02,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:38:02,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716595632] [2022-12-13 15:38:02,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:38:02,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:38:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:38:02,718 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:38:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:38:02,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:38:02,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:38:02,725 INFO L85 PathProgramCache]: Analyzing trace with hash -18841332, now seen corresponding path program 1 times [2022-12-13 15:38:02,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:38:02,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383703853] [2022-12-13 15:38:02,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:38:02,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:38:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:38:02,732 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:38:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:38:02,740 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:38:02,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:38:02,741 INFO L85 PathProgramCache]: Analyzing trace with hash -830881533, now seen corresponding path program 1 times [2022-12-13 15:38:02,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:38:02,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986097705] [2022-12-13 15:38:02,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:38:02,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:38:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:38:02,752 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:38:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:38:02,764 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:38:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:38:03,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:38:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:38:03,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 03:38:03 BoogieIcfgContainer [2022-12-13 15:38:03,634 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 15:38:03,635 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:38:03,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:38:03,635 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:38:03,636 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:38:01" (3/4) ... [2022-12-13 15:38:03,638 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 15:38:03,683 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95b8e2f-7502-4a2f-a372-482f8578610f/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:38:03,683 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:38:03,684 INFO L158 Benchmark]: Toolchain (without parser) took 2843.43ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 109.4MB in the beginning and 110.2MB in the end (delta: -759.7kB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2022-12-13 15:38:03,684 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:38:03,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.93ms. Allocated memory is still 146.8MB. Free memory was 109.0MB in the beginning and 90.7MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 15:38:03,685 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.29ms. Allocated memory is still 146.8MB. Free memory was 90.7MB in the beginning and 87.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:38:03,685 INFO L158 Benchmark]: Boogie Preprocessor took 23.95ms. Allocated memory is still 146.8MB. Free memory was 87.1MB in the beginning and 84.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:38:03,686 INFO L158 Benchmark]: RCFGBuilder took 488.72ms. Allocated memory is still 146.8MB. Free memory was 84.5MB in the beginning and 59.1MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 15:38:03,686 INFO L158 Benchmark]: BuchiAutomizer took 1966.27ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 58.6MB in the beginning and 113.3MB in the end (delta: -54.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:38:03,686 INFO L158 Benchmark]: Witness Printer took 48.65ms. Allocated memory is still 178.3MB. Free memory was 113.3MB in the beginning and 110.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:38:03,688 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.93ms. Allocated memory is still 146.8MB. Free memory was 109.0MB in the beginning and 90.7MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.29ms. Allocated memory is still 146.8MB. Free memory was 90.7MB in the beginning and 87.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.95ms. Allocated memory is still 146.8MB. Free memory was 87.1MB in the beginning and 84.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.72ms. Allocated memory is still 146.8MB. Free memory was 84.5MB in the beginning and 59.1MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1966.27ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 58.6MB in the beginning and 113.3MB in the end (delta: -54.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 48.65ms. Allocated memory is still 178.3MB. Free memory was 113.3MB in the beginning and 110.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 483 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 660 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, 2003 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2003 mSDsluCounter, 2100 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1247 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 170 IncrementalHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 853 mSDtfsCounter, 170 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 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: 789]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L329] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L527] int switchedOnBeforeTS ; [L580] int pumpRunning = 0; [L581] int systemActive = 1; [L882] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L956] int retValue_acc ; [L957] int tmp ; [L961] FCALL select_helpers() [L962] FCALL select_features() [L963] CALL, EXPR valid_product() [L873] int retValue_acc ; [L876] retValue_acc = 1 [L877] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L963] RET, EXPR valid_product() [L963] tmp = valid_product() [L965] COND TRUE \read(tmp) [L967] FCALL setup() [L968] CALL runTest() [L949] CALL __utac_acc__Specification5_spec__1() [L532] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L949] RET __utac_acc__Specification5_spec__1() [L950] CALL test() [L780] int splverifierCounter ; [L781] int tmp ; [L782] int tmp___0 ; [L783] int tmp___1 ; [L784] int tmp___2 ; [L787] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L789] COND TRUE 1 [L791] COND TRUE splverifierCounter < 4 [L797] tmp = __VERIFIER_nondet_int() [L799] COND FALSE !(\read(tmp)) [L807] tmp___0 = __VERIFIER_nondet_int() [L809] COND FALSE !(\read(tmp___0)) [L817] tmp___2 = __VERIFIER_nondet_int() [L819] COND TRUE \read(tmp___2) [L832] CALL timeShift() [L588] CALL __utac_acc__Specification5_spec__2() [L541] CALL, EXPR isPumpRunning() [L714] int retValue_acc ; [L717] retValue_acc = pumpRunning [L718] return (retValue_acc); [L541] RET, EXPR isPumpRunning() [L541] switchedOnBeforeTS = isPumpRunning() [L588] RET __utac_acc__Specification5_spec__2() [L590] COND FALSE !(\read(pumpRunning)) [L597] COND TRUE \read(systemActive) [L599] CALL processEnvironment() [L645] int tmp ; [L648] COND FALSE !(\read(pumpRunning)) [L663] CALL processEnvironment__wrappee__methaneQuery() [L619] int tmp ; [L622] COND TRUE ! pumpRunning [L624] CALL, EXPR isHighWaterLevel() [L759] int retValue_acc ; [L760] int tmp ; [L761] int tmp___0 ; [L765] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L765] RET, EXPR isHighWaterSensorDry() [L765] tmp = isHighWaterSensorDry() [L767] COND TRUE \read(tmp) [L768] tmp___0 = 0 [L772] retValue_acc = tmp___0 [L773] return (retValue_acc); [L624] RET, EXPR isHighWaterLevel() [L624] tmp = isHighWaterLevel() [L626] COND FALSE !(\read(tmp)) [L632] FCALL processEnvironment__wrappee__base() [L663] RET processEnvironment__wrappee__methaneQuery() [L599] RET processEnvironment() [L605] CALL __utac_acc__Specification5_spec__3() [L547] int tmp ; [L548] int tmp___0 ; [L552] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L552] RET, EXPR getWaterLevel() [L552] tmp = getWaterLevel() [L554] COND TRUE tmp != 2 [L556] CALL, EXPR isPumpRunning() [L714] int retValue_acc ; [L717] retValue_acc = pumpRunning [L718] return (retValue_acc); [L556] RET, EXPR isPumpRunning() [L556] tmp___0 = isPumpRunning() [L558] COND FALSE !(\read(tmp___0)) [L605] RET __utac_acc__Specification5_spec__3() [L832] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 789]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L329] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L527] int switchedOnBeforeTS ; [L580] int pumpRunning = 0; [L581] int systemActive = 1; [L882] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L956] int retValue_acc ; [L957] int tmp ; [L961] FCALL select_helpers() [L962] FCALL select_features() [L963] CALL, EXPR valid_product() [L873] int retValue_acc ; [L876] retValue_acc = 1 [L877] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L963] RET, EXPR valid_product() [L963] tmp = valid_product() [L965] COND TRUE \read(tmp) [L967] FCALL setup() [L968] CALL runTest() [L949] CALL __utac_acc__Specification5_spec__1() [L532] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L949] RET __utac_acc__Specification5_spec__1() [L950] CALL test() [L780] int splverifierCounter ; [L781] int tmp ; [L782] int tmp___0 ; [L783] int tmp___1 ; [L784] int tmp___2 ; [L787] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L789] COND TRUE 1 [L791] COND TRUE splverifierCounter < 4 [L797] tmp = __VERIFIER_nondet_int() [L799] COND FALSE !(\read(tmp)) [L807] tmp___0 = __VERIFIER_nondet_int() [L809] COND FALSE !(\read(tmp___0)) [L817] tmp___2 = __VERIFIER_nondet_int() [L819] COND TRUE \read(tmp___2) [L832] CALL timeShift() [L588] CALL __utac_acc__Specification5_spec__2() [L541] CALL, EXPR isPumpRunning() [L714] int retValue_acc ; [L717] retValue_acc = pumpRunning [L718] return (retValue_acc); [L541] RET, EXPR isPumpRunning() [L541] switchedOnBeforeTS = isPumpRunning() [L588] RET __utac_acc__Specification5_spec__2() [L590] COND FALSE !(\read(pumpRunning)) [L597] COND TRUE \read(systemActive) [L599] CALL processEnvironment() [L645] int tmp ; [L648] COND FALSE !(\read(pumpRunning)) [L663] CALL processEnvironment__wrappee__methaneQuery() [L619] int tmp ; [L622] COND TRUE ! pumpRunning [L624] CALL, EXPR isHighWaterLevel() [L759] int retValue_acc ; [L760] int tmp ; [L761] int tmp___0 ; [L765] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L765] RET, EXPR isHighWaterSensorDry() [L765] tmp = isHighWaterSensorDry() [L767] COND TRUE \read(tmp) [L768] tmp___0 = 0 [L772] retValue_acc = tmp___0 [L773] return (retValue_acc); [L624] RET, EXPR isHighWaterLevel() [L624] tmp = isHighWaterLevel() [L626] COND FALSE !(\read(tmp)) [L632] FCALL processEnvironment__wrappee__base() [L663] RET processEnvironment__wrappee__methaneQuery() [L599] RET processEnvironment() [L605] CALL __utac_acc__Specification5_spec__3() [L547] int tmp ; [L548] int tmp___0 ; [L552] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L552] RET, EXPR getWaterLevel() [L552] tmp = getWaterLevel() [L554] COND TRUE tmp != 2 [L556] CALL, EXPR isPumpRunning() [L714] int retValue_acc ; [L717] retValue_acc = pumpRunning [L718] return (retValue_acc); [L556] RET, EXPR isPumpRunning() [L556] tmp___0 = isPumpRunning() [L558] COND FALSE !(\read(tmp___0)) [L605] RET __utac_acc__Specification5_spec__3() [L832] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 15:38:03,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95b8e2f-7502-4a2f-a372-482f8578610f/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)