./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68c6d60a43782147acd714b0904a144255717c2aa47fb6b6f8991672a1483369 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:25:36,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:25:36,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:25:36,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:25:36,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:25:36,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:25:36,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:25:36,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:25:36,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:25:36,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:25:36,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:25:36,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:25:36,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:25:36,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:25:36,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:25:36,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:25:36,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:25:36,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:25:36,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:25:36,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:25:36,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:25:36,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:25:36,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:25:36,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:25:36,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:25:36,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:25:36,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:25:36,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:25:36,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:25:36,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:25:36,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:25:36,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:25:36,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:25:36,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:25:36,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:25:36,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:25:36,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:25:36,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:25:36,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:25:36,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:25:36,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:25:36,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 18:25:36,368 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:25:36,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:25:36,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:25:36,369 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:25:36,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:25:36,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:25:36,371 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:25:36,371 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 18:25:36,372 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 18:25:36,372 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 18:25:36,373 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 18:25:36,374 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 18:25:36,374 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 18:25:36,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:25:36,374 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:25:36,375 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:25:36,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:25:36,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:25:36,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:25:36,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 18:25:36,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 18:25:36,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 18:25:36,376 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:25:36,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:25:36,377 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 18:25:36,377 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:25:36,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 18:25:36,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:25:36,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:25:36,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:25:36,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:25:36,382 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 18:25:36,382 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_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68c6d60a43782147acd714b0904a144255717c2aa47fb6b6f8991672a1483369 [2022-11-25 18:25:36,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:25:36,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:25:36,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:25:36,768 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:25:36,768 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:25:36,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2022-11-25 18:25:40,245 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:25:40,530 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:25:40,531 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2022-11-25 18:25:40,543 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/bin/uautomizer-ZsLfNo2U6R/data/3c6d2018e/eada6ef149eb4260b6174bd669639805/FLAGe707e68c4 [2022-11-25 18:25:40,559 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/bin/uautomizer-ZsLfNo2U6R/data/3c6d2018e/eada6ef149eb4260b6174bd669639805 [2022-11-25 18:25:40,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:25:40,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:25:40,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:25:40,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:25:40,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:25:40,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:25:40" (1/1) ... [2022-11-25 18:25:40,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1912d9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:40, skipping insertion in model container [2022-11-25 18:25:40,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:25:40" (1/1) ... [2022-11-25 18:25:40,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:25:40,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:25:40,767 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_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c[1605,1618] [2022-11-25 18:25:40,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:25:40,931 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:25:40,946 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_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c[1605,1618] [2022-11-25 18:25:40,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:25:41,020 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:25:41,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:41 WrapperNode [2022-11-25 18:25:41,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:25:41,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:25:41,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:25:41,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:25:41,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:41" (1/1) ... [2022-11-25 18:25:41,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:41" (1/1) ... [2022-11-25 18:25:41,100 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 54, calls inlined = 85, statements flattened = 568 [2022-11-25 18:25:41,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:25:41,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:25:41,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:25:41,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:25:41,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:41" (1/1) ... [2022-11-25 18:25:41,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:41" (1/1) ... [2022-11-25 18:25:41,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:41" (1/1) ... [2022-11-25 18:25:41,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:41" (1/1) ... [2022-11-25 18:25:41,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:41" (1/1) ... [2022-11-25 18:25:41,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:41" (1/1) ... [2022-11-25 18:25:41,163 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:41" (1/1) ... [2022-11-25 18:25:41,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:41" (1/1) ... [2022-11-25 18:25:41,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:25:41,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:25:41,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:25:41,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:25:41,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:41" (1/1) ... [2022-11-25 18:25:41,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:25:41,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:25:41,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:25:41,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 18:25:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:25:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:25:41,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:25:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:25:41,348 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:25:41,350 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:25:41,869 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:25:41,886 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:25:41,886 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 18:25:41,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:25:41 BoogieIcfgContainer [2022-11-25 18:25:41,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:25:41,890 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 18:25:41,890 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 18:25:41,894 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 18:25:41,895 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:25:41,896 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 06:25:40" (1/3) ... [2022-11-25 18:25:41,897 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@781323d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 06:25:41, skipping insertion in model container [2022-11-25 18:25:41,897 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:25:41,897 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:41" (2/3) ... [2022-11-25 18:25:41,897 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@781323d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 06:25:41, skipping insertion in model container [2022-11-25 18:25:41,898 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:25:41,898 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:25:41" (3/3) ... [2022-11-25 18:25:41,909 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2022-11-25 18:25:42,011 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 18:25:42,012 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 18:25:42,012 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 18:25:42,012 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 18:25:42,012 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 18:25:42,012 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 18:25:42,013 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 18:25:42,013 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 18:25:42,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 167 states, 166 states have (on average 1.3674698795180722) internal successors, (227), 166 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:25:42,076 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2022-11-25 18:25:42,076 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:25:42,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:25:42,086 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:25:42,086 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:25:42,087 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 18:25:42,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 167 states, 166 states have (on average 1.3674698795180722) internal successors, (227), 166 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:25:42,107 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2022-11-25 18:25:42,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:25:42,107 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:25:42,108 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:25:42,109 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:25:42,120 INFO L748 eck$LassoCheckResult]: Stem: 150#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 55#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 47#L894true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 155#L887true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 130#L902true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 116#L151true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 63#L122true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 70#L173true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#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; 16#L917-2true [2022-11-25 18:25:42,131 INFO L750 eck$LassoCheckResult]: Loop: 16#L917-2true assume !false; 19#L918true assume test_~splverifierCounter~0#1 < 4; 118#L919true test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 17#L927true assume !(0 != test_~tmp~8#1); 33#L927-2true test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 117#L937true assume !(0 != test_~tmp___0~2#1); 135#L937-2true test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 65#L947true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 40#L868true assume { :end_inline_startSystem } true; 76#L955-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 13#L804true __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 42#L183true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 152#L693true assume !(0 != ~pumpRunning~0); 72#L693-2true assume !(0 != ~systemActive~0); 81#L700-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 145#L661true __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 132#L194true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); 8#L194-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 92#L710true assume { :end_inline_timeShift } true; 16#L917-2true [2022-11-25 18:25:42,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:25:42,146 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-25 18:25:42,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:25:42,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236677353] [2022-11-25 18:25:42,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:25:42,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:25:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:25:42,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:25:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:25:42,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:25:42,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:25:42,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1006032203, now seen corresponding path program 1 times [2022-11-25 18:25:42,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:25:42,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515257726] [2022-11-25 18:25:42,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:25:42,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:25:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:25:42,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:25:42,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:25:42,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515257726] [2022-11-25 18:25:42,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515257726] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:25:42,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:25:42,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:25:42,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063295184] [2022-11-25 18:25:42,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:25:42,648 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 18:25:42,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:25:42,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:25:42,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:25:42,707 INFO L87 Difference]: Start difference. First operand has 167 states, 166 states have (on average 1.3674698795180722) internal successors, (227), 166 states have internal predecessors, (227), 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 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:25:42,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:25:42,762 INFO L93 Difference]: Finished difference Result 164 states and 214 transitions. [2022-11-25 18:25:42,771 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 164 states and 214 transitions. [2022-11-25 18:25:42,774 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2022-11-25 18:25:42,779 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 164 states to 154 states and 203 transitions. [2022-11-25 18:25:42,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 154 [2022-11-25 18:25:42,781 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 154 [2022-11-25 18:25:42,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 203 transitions. [2022-11-25 18:25:42,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:25:42,783 INFO L218 hiAutomatonCegarLoop]: Abstraction has 154 states and 203 transitions. [2022-11-25 18:25:42,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states and 203 transitions. [2022-11-25 18:25:42,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2022-11-25 18:25:42,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 154 states have (on average 1.3181818181818181) internal successors, (203), 153 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:25:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 203 transitions. [2022-11-25 18:25:42,826 INFO L240 hiAutomatonCegarLoop]: Abstraction has 154 states and 203 transitions. [2022-11-25 18:25:42,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:25:42,832 INFO L428 stractBuchiCegarLoop]: Abstraction has 154 states and 203 transitions. [2022-11-25 18:25:42,832 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 18:25:42,832 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 154 states and 203 transitions. [2022-11-25 18:25:42,834 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2022-11-25 18:25:42,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:25:42,835 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:25:42,835 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:25:42,836 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] [2022-11-25 18:25:42,836 INFO L748 eck$LassoCheckResult]: Stem: 491#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 427#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 414#L894 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 415#L887 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 486#L902 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 477#L151 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 438#L122 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 439#L173 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#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; 366#L917-2 [2022-11-25 18:25:42,836 INFO L750 eck$LassoCheckResult]: Loop: 366#L917-2 assume !false; 367#L918 assume test_~splverifierCounter~0#1 < 4; 376#L919 test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 368#L927 assume !(0 != test_~tmp~8#1); 370#L927-2 test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 400#L937 assume !(0 != test_~tmp___0~2#1); 479#L937-2 test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 442#L947 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 407#L868 assume { :end_inline_startSystem } true; 408#L955-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 359#L804 __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 360#L183 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 409#L693 assume !(0 != ~pumpRunning~0); 341#L693-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 397#L751 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 381#L725-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 382#L717-3 assume { :end_inline_processEnvironment__wrappee__base } true; 358#L725-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 344#L751-1 assume { :end_inline_processEnvironment } true; 345#L700-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 455#L661 __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 485#L194 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); 348#L194-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 349#L710 assume { :end_inline_timeShift } true; 366#L917-2 [2022-11-25 18:25:42,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:25:42,837 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-25 18:25:42,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:25:42,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434572625] [2022-11-25 18:25:42,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:25:42,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:25:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:25:42,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:25:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:25:42,904 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:25:42,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:25:42,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1470608784, now seen corresponding path program 1 times [2022-11-25 18:25:42,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:25:42,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086874884] [2022-11-25 18:25:42,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:25:42,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:25:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:25:42,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:25:42,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:25:42,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086874884] [2022-11-25 18:25:42,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086874884] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:25:42,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:25:42,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:25:42,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404504478] [2022-11-25 18:25:42,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:25:42,946 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 18:25:42,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:25:42,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:25:42,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:25:42,948 INFO L87 Difference]: Start difference. First operand 154 states and 203 transitions. cyclomatic complexity: 51 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:25:43,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:25:43,052 INFO L93 Difference]: Finished difference Result 219 states and 278 transitions. [2022-11-25 18:25:43,053 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 219 states and 278 transitions. [2022-11-25 18:25:43,056 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 152 [2022-11-25 18:25:43,058 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 219 states to 219 states and 278 transitions. [2022-11-25 18:25:43,059 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 219 [2022-11-25 18:25:43,060 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 219 [2022-11-25 18:25:43,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 219 states and 278 transitions. [2022-11-25 18:25:43,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:25:43,062 INFO L218 hiAutomatonCegarLoop]: Abstraction has 219 states and 278 transitions. [2022-11-25 18:25:43,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states and 278 transitions. [2022-11-25 18:25:43,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2022-11-25 18:25:43,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 219 states have (on average 1.269406392694064) internal successors, (278), 218 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:25:43,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 278 transitions. [2022-11-25 18:25:43,076 INFO L240 hiAutomatonCegarLoop]: Abstraction has 219 states and 278 transitions. [2022-11-25 18:25:43,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:25:43,077 INFO L428 stractBuchiCegarLoop]: Abstraction has 219 states and 278 transitions. [2022-11-25 18:25:43,077 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 18:25:43,078 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 219 states and 278 transitions. [2022-11-25 18:25:43,080 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 152 [2022-11-25 18:25:43,080 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:25:43,080 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:25:43,081 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:25:43,081 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] [2022-11-25 18:25:43,082 INFO L748 eck$LassoCheckResult]: Stem: 876#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 805#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 792#L894 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 793#L887 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 869#L902 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 861#L151 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 817#L122 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 818#L173 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#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; 743#L917-2 [2022-11-25 18:25:43,082 INFO L750 eck$LassoCheckResult]: Loop: 743#L917-2 assume !false; 744#L918 assume test_~splverifierCounter~0#1 < 4; 750#L919 test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 745#L927 assume !(0 != test_~tmp~8#1); 747#L927-2 test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 775#L937 assume !(0 != test_~tmp___0~2#1); 860#L937-2 test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 819#L947 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 820#L955 assume 0 != test_~tmp___1~0#1; 784#L955-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 737#L804 __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 738#L183 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 787#L693 assume !(0 != ~pumpRunning~0); 827#L693-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 773#L751 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 756#L725-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#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~6#1;havoc isHighWaterSensorDry_~retValue_acc~6#1; 757#L669-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; 798#L674-1 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; 835#L853-3 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 796#L853-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 797#L859-1 processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1; 878#L729-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 870#L717-2 assume { :end_inline_processEnvironment__wrappee__base } true; 733#L725-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 723#L751-1 assume { :end_inline_processEnvironment } true; 724#L700-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 836#L661 __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 868#L194 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); 727#L194-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 728#L710 assume { :end_inline_timeShift } true; 743#L917-2 [2022-11-25 18:25:43,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:25:43,083 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-25 18:25:43,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:25:43,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027728574] [2022-11-25 18:25:43,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:25:43,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:25:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:25:43,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:25:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:25:43,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:25:43,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:25:43,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1559207751, now seen corresponding path program 1 times [2022-11-25 18:25:43,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:25:43,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110502063] [2022-11-25 18:25:43,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:25:43,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:25:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:25:43,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:25:43,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:25:43,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110502063] [2022-11-25 18:25:43,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110502063] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:25:43,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:25:43,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:25:43,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192598433] [2022-11-25 18:25:43,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:25:43,254 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 18:25:43,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:25:43,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:25:43,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:25:43,255 INFO L87 Difference]: Start difference. First operand 219 states and 278 transitions. cyclomatic complexity: 61 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:25:43,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:25:43,534 INFO L93 Difference]: Finished difference Result 972 states and 1229 transitions. [2022-11-25 18:25:43,536 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 972 states and 1229 transitions. [2022-11-25 18:25:43,552 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 669 [2022-11-25 18:25:43,561 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 972 states to 972 states and 1229 transitions. [2022-11-25 18:25:43,562 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 972 [2022-11-25 18:25:43,563 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 972 [2022-11-25 18:25:43,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 972 states and 1229 transitions. [2022-11-25 18:25:43,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:25:43,568 INFO L218 hiAutomatonCegarLoop]: Abstraction has 972 states and 1229 transitions. [2022-11-25 18:25:43,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states and 1229 transitions. [2022-11-25 18:25:43,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 427. [2022-11-25 18:25:43,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 427 states have (on average 1.2552693208430914) internal successors, (536), 426 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:25:43,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 536 transitions. [2022-11-25 18:25:43,597 INFO L240 hiAutomatonCegarLoop]: Abstraction has 427 states and 536 transitions. [2022-11-25 18:25:43,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:25:43,598 INFO L428 stractBuchiCegarLoop]: Abstraction has 427 states and 536 transitions. [2022-11-25 18:25:43,598 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-25 18:25:43,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 427 states and 536 transitions. [2022-11-25 18:25:43,602 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 302 [2022-11-25 18:25:43,602 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:25:43,602 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:25:43,603 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:25:43,604 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, 1] [2022-11-25 18:25:43,604 INFO L748 eck$LassoCheckResult]: Stem: 2110#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 2020#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 2006#L894 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2007#L887 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 2096#L902 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 2085#L151 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 2033#L122 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2034#L173 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#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; 2043#L917-2 [2022-11-25 18:25:43,604 INFO L750 eck$LassoCheckResult]: Loop: 2043#L917-2 assume !false; 2290#L918 assume test_~splverifierCounter~0#1 < 4; 2289#L919 test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 2287#L927 assume !(0 != test_~tmp~8#1); 2285#L927-2 test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 2086#L937 assume !(0 != test_~tmp___0~2#1); 2088#L937-2 test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 2035#L947 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 2036#L955 assume 0 != test_~tmp___1~0#1; 1996#L955-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 1947#L804 __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 1948#L183 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1999#L693 assume !(0 != ~pumpRunning~0); 2044#L693-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1982#L751 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 1967#L725-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#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~6#1;havoc isHighWaterSensorDry_~retValue_acc~6#1; 1968#L669-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; 2012#L674-1 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; 2054#L853-3 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 2010#L853-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 2011#L859-1 processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1; 2113#L729-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2100#L717-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1943#L725-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1933#L751-1 assume { :end_inline_processEnvironment } true; 1934#L700-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 2055#L661 __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 2098#L194 assume 2 != __utac_acc__Specification5_spec__3_~tmp~1#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 2056#L804-1 __utac_acc__Specification5_spec__3_#t~ret7#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret7#1;havoc __utac_acc__Specification5_spec__3_#t~ret7#1; 2057#L198 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 2293#L194-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2292#L710 assume { :end_inline_timeShift } true; 2043#L917-2 [2022-11-25 18:25:43,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:25:43,605 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2022-11-25 18:25:43,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:25:43,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306264657] [2022-11-25 18:25:43,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:25:43,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:25:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:25:43,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:25:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:25:43,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:25:43,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:25:43,629 INFO L85 PathProgramCache]: Analyzing trace with hash -564034238, now seen corresponding path program 1 times [2022-11-25 18:25:43,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:25:43,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175489108] [2022-11-25 18:25:43,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:25:43,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:25:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:25:43,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:25:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:25:43,652 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:25:43,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:25:43,653 INFO L85 PathProgramCache]: Analyzing trace with hash 32523307, now seen corresponding path program 1 times [2022-11-25 18:25:43,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:25:43,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224129982] [2022-11-25 18:25:43,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:25:43,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:25:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:25:43,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:25:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:25:43,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:25:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:25:45,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:25:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:25:45,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 06:25:45 BoogieIcfgContainer [2022-11-25 18:25:45,676 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 18:25:45,677 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:25:45,677 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:25:45,677 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:25:45,678 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:25:41" (3/4) ... [2022-11-25 18:25:45,681 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-25 18:25:45,780 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 18:25:45,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:25:45,781 INFO L158 Benchmark]: Toolchain (without parser) took 5218.32ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 136.2MB in the beginning and 171.4MB in the end (delta: -35.3MB). Peak memory consumption was 114.2MB. Max. memory is 16.1GB. [2022-11-25 18:25:45,781 INFO L158 Benchmark]: CDTParser took 2.34ms. Allocated memory is still 117.4MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:25:45,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.71ms. Allocated memory is still 167.8MB. Free memory was 136.2MB in the beginning and 117.5MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 18:25:45,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.47ms. Allocated memory is still 167.8MB. Free memory was 117.5MB in the beginning and 114.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:25:45,783 INFO L158 Benchmark]: Boogie Preprocessor took 68.36ms. Allocated memory is still 167.8MB. Free memory was 114.7MB in the beginning and 112.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:25:45,783 INFO L158 Benchmark]: RCFGBuilder took 718.91ms. Allocated memory is still 167.8MB. Free memory was 111.9MB in the beginning and 88.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 18:25:45,783 INFO L158 Benchmark]: BuchiAutomizer took 3786.30ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 88.8MB in the beginning and 66.5MB in the end (delta: 22.3MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2022-11-25 18:25:45,784 INFO L158 Benchmark]: Witness Printer took 103.60ms. Allocated memory is still 207.6MB. Free memory was 65.4MB in the beginning and 171.4MB in the end (delta: -106.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:25:45,786 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.34ms. Allocated memory is still 117.4MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.71ms. Allocated memory is still 167.8MB. Free memory was 136.2MB in the beginning and 117.5MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.47ms. Allocated memory is still 167.8MB. Free memory was 117.5MB in the beginning and 114.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.36ms. Allocated memory is still 167.8MB. Free memory was 114.7MB in the beginning and 112.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 718.91ms. Allocated memory is still 167.8MB. Free memory was 111.9MB in the beginning and 88.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 3786.30ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 88.8MB in the beginning and 66.5MB in the end (delta: 22.3MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * Witness Printer took 103.60ms. Allocated memory is still 207.6MB. Free memory was 65.4MB in the beginning and 171.4MB in the end (delta: -106.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 5 locations. The remainder module has 427 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.2s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 545 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, 1286 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1286 mSDsluCounter, 1824 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1054 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 770 mSDtfsCounter, 168 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc0 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: 917]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L59] int cleanupTimeShifts = 4; [L167] int switchedOnBeforeTS ; [L385] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L586] int waterLevel = 1; [L587] int methaneLevelCritical = 0; [L683] int pumpRunning = 0; [L684] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L142] int retValue_acc ; [L143] int tmp ; [L147] FCALL select_helpers() [L148] FCALL select_features() [L149] CALL, EXPR valid_product() [L898] int retValue_acc ; [L901] retValue_acc = 1 [L902] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L149] RET, EXPR valid_product() [L149] tmp = valid_product() [L151] COND TRUE \read(tmp) [L153] FCALL setup() [L154] CALL runTest() [L132] CALL __utac_acc__Specification5_spec__1() [L172] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L132] RET __utac_acc__Specification5_spec__1() [L133] CALL test() [L908] int splverifierCounter ; [L909] int tmp ; [L910] int tmp___0 ; [L911] int tmp___1 ; [L912] int tmp___2 ; [L915] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L917] COND TRUE 1 [L919] COND TRUE splverifierCounter < 4 [L925] tmp = __VERIFIER_nondet_int() [L927] COND FALSE !(\read(tmp)) [L935] tmp___0 = __VERIFIER_nondet_int() [L937] COND FALSE !(\read(tmp___0)) [L945] tmp___2 = __VERIFIER_nondet_int() [L947] COND FALSE !(\read(tmp___2)) [L953] tmp___1 = __VERIFIER_nondet_int() [L955] COND TRUE \read(tmp___1) [L962] CALL timeShift() [L691] CALL __utac_acc__Specification5_spec__2() [L181] CALL, EXPR isPumpRunning() [L800] int retValue_acc ; [L803] retValue_acc = pumpRunning [L804] return (retValue_acc); [L181] RET, EXPR isPumpRunning() [L181] switchedOnBeforeTS = isPumpRunning() [L691] RET __utac_acc__Specification5_spec__2() [L693] COND FALSE !(\read(pumpRunning)) [L700] COND TRUE \read(systemActive) [L702] CALL processEnvironment() [L748] int tmp ; [L751] COND FALSE !(\read(pumpRunning)) [L766] CALL processEnvironment__wrappee__highWaterSensor() [L722] int tmp ; [L725] COND TRUE ! pumpRunning [L727] CALL, EXPR isHighWaterLevel() [L845] int retValue_acc ; [L846] int tmp ; [L847] int tmp___0 ; [L851] CALL, EXPR isHighWaterSensorDry() [L666] int retValue_acc ; [L669] COND TRUE waterLevel < 2 [L670] retValue_acc = 1 [L671] return (retValue_acc); [L851] RET, EXPR isHighWaterSensorDry() [L851] tmp = isHighWaterSensorDry() [L853] COND TRUE \read(tmp) [L854] tmp___0 = 0 [L858] retValue_acc = tmp___0 [L859] return (retValue_acc); [L727] RET, EXPR isHighWaterLevel() [L727] tmp = isHighWaterLevel() [L729] COND FALSE !(\read(tmp)) [L735] FCALL processEnvironment__wrappee__base() [L766] RET processEnvironment__wrappee__highWaterSensor() [L702] RET processEnvironment() [L708] CALL __utac_acc__Specification5_spec__3() [L187] int tmp ; [L188] int tmp___0 ; [L192] CALL, EXPR getWaterLevel() [L657] int retValue_acc ; [L660] retValue_acc = waterLevel [L661] return (retValue_acc); [L192] RET, EXPR getWaterLevel() [L192] tmp = getWaterLevel() [L194] COND TRUE tmp != 2 [L196] CALL, EXPR isPumpRunning() [L800] int retValue_acc ; [L803] retValue_acc = pumpRunning [L804] return (retValue_acc); [L196] RET, EXPR isPumpRunning() [L196] tmp___0 = isPumpRunning() [L198] COND FALSE !(\read(tmp___0)) [L708] RET __utac_acc__Specification5_spec__3() [L962] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 917]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int cleanupTimeShifts = 4; [L167] int switchedOnBeforeTS ; [L385] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L586] int waterLevel = 1; [L587] int methaneLevelCritical = 0; [L683] int pumpRunning = 0; [L684] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L142] int retValue_acc ; [L143] int tmp ; [L147] FCALL select_helpers() [L148] FCALL select_features() [L149] CALL, EXPR valid_product() [L898] int retValue_acc ; [L901] retValue_acc = 1 [L902] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L149] RET, EXPR valid_product() [L149] tmp = valid_product() [L151] COND TRUE \read(tmp) [L153] FCALL setup() [L154] CALL runTest() [L132] CALL __utac_acc__Specification5_spec__1() [L172] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L132] RET __utac_acc__Specification5_spec__1() [L133] CALL test() [L908] int splverifierCounter ; [L909] int tmp ; [L910] int tmp___0 ; [L911] int tmp___1 ; [L912] int tmp___2 ; [L915] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L917] COND TRUE 1 [L919] COND TRUE splverifierCounter < 4 [L925] tmp = __VERIFIER_nondet_int() [L927] COND FALSE !(\read(tmp)) [L935] tmp___0 = __VERIFIER_nondet_int() [L937] COND FALSE !(\read(tmp___0)) [L945] tmp___2 = __VERIFIER_nondet_int() [L947] COND FALSE !(\read(tmp___2)) [L953] tmp___1 = __VERIFIER_nondet_int() [L955] COND TRUE \read(tmp___1) [L962] CALL timeShift() [L691] CALL __utac_acc__Specification5_spec__2() [L181] CALL, EXPR isPumpRunning() [L800] int retValue_acc ; [L803] retValue_acc = pumpRunning [L804] return (retValue_acc); [L181] RET, EXPR isPumpRunning() [L181] switchedOnBeforeTS = isPumpRunning() [L691] RET __utac_acc__Specification5_spec__2() [L693] COND FALSE !(\read(pumpRunning)) [L700] COND TRUE \read(systemActive) [L702] CALL processEnvironment() [L748] int tmp ; [L751] COND FALSE !(\read(pumpRunning)) [L766] CALL processEnvironment__wrappee__highWaterSensor() [L722] int tmp ; [L725] COND TRUE ! pumpRunning [L727] CALL, EXPR isHighWaterLevel() [L845] int retValue_acc ; [L846] int tmp ; [L847] int tmp___0 ; [L851] CALL, EXPR isHighWaterSensorDry() [L666] int retValue_acc ; [L669] COND TRUE waterLevel < 2 [L670] retValue_acc = 1 [L671] return (retValue_acc); [L851] RET, EXPR isHighWaterSensorDry() [L851] tmp = isHighWaterSensorDry() [L853] COND TRUE \read(tmp) [L854] tmp___0 = 0 [L858] retValue_acc = tmp___0 [L859] return (retValue_acc); [L727] RET, EXPR isHighWaterLevel() [L727] tmp = isHighWaterLevel() [L729] COND FALSE !(\read(tmp)) [L735] FCALL processEnvironment__wrappee__base() [L766] RET processEnvironment__wrappee__highWaterSensor() [L702] RET processEnvironment() [L708] CALL __utac_acc__Specification5_spec__3() [L187] int tmp ; [L188] int tmp___0 ; [L192] CALL, EXPR getWaterLevel() [L657] int retValue_acc ; [L660] retValue_acc = waterLevel [L661] return (retValue_acc); [L192] RET, EXPR getWaterLevel() [L192] tmp = getWaterLevel() [L194] COND TRUE tmp != 2 [L196] CALL, EXPR isPumpRunning() [L800] int retValue_acc ; [L803] retValue_acc = pumpRunning [L804] return (retValue_acc); [L196] RET, EXPR isPumpRunning() [L196] tmp___0 = isPumpRunning() [L198] COND FALSE !(\read(tmp___0)) [L708] RET __utac_acc__Specification5_spec__3() [L962] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-25 18:25:45,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc474b6-05e9-4101-a4f2-a03a23a2a18c/bin/uautomizer-ZsLfNo2U6R/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)