./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/bin/uautomizer-tPACEb0tL8 --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 ef69c83623105b68e3213a0f6e5530f40867a5bc091f925c8e4d647572a9cdfc --- 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-e04fb08 [2022-11-16 11:49:52,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:49:52,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:49:52,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:49:52,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:49:52,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:49:52,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:49:52,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:49:52,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:49:52,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:49:52,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:49:52,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:49:52,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:49:52,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:49:52,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:49:52,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:49:52,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:49:52,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:49:52,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:49:52,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:49:52,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:49:52,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:49:52,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:49:52,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:49:52,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:49:52,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:49:52,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:49:52,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:49:52,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:49:52,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:49:52,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:49:52,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:49:52,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:49:52,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:49:52,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:49:52,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:49:52,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:49:52,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:49:52,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:49:52,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:49:52,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:49:52,241 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 11:49:52,269 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:49:52,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:49:52,270 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:49:52,270 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:49:52,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:49:52,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:49:52,272 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:49:52,272 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:49:52,272 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:49:52,272 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:49:52,273 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:49:52,274 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:49:52,274 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:49:52,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:49:52,274 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:49:52,275 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:49:52,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:49:52,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:49:52,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:49:52,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:49:52,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:49:52,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:49:52,276 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:49:52,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:49:52,278 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:49:52,279 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:49:52,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:49:52,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:49:52,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:49:52,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:49:52,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:49:52,281 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:49:52,282 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_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef69c83623105b68e3213a0f6e5530f40867a5bc091f925c8e4d647572a9cdfc [2022-11-16 11:49:52,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:49:52,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:49:52,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:49:52,662 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:49:52,662 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:49:52,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec4_product35.cil.c [2022-11-16 11:49:52,740 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/bin/uautomizer-tPACEb0tL8/data/b38465f0c/39748e13ebb943d89bf52e787d9d86ad/FLAGc64de6a21 [2022-11-16 11:49:53,265 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:49:53,266 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/sv-benchmarks/c/product-lines/minepump_spec4_product35.cil.c [2022-11-16 11:49:53,283 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/bin/uautomizer-tPACEb0tL8/data/b38465f0c/39748e13ebb943d89bf52e787d9d86ad/FLAGc64de6a21 [2022-11-16 11:49:53,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/bin/uautomizer-tPACEb0tL8/data/b38465f0c/39748e13ebb943d89bf52e787d9d86ad [2022-11-16 11:49:53,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:49:53,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:49:53,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:49:53,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:49:53,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:49:53,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:49:53" (1/1) ... [2022-11-16 11:49:53,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a4492d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:53, skipping insertion in model container [2022-11-16 11:49:53,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:49:53" (1/1) ... [2022-11-16 11:49:53,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:49:53,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:49:53,989 WARN L229 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_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/sv-benchmarks/c/product-lines/minepump_spec4_product35.cil.c[16086,16099] [2022-11-16 11:49:53,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:49:54,009 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:49:54,072 WARN L229 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_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/sv-benchmarks/c/product-lines/minepump_spec4_product35.cil.c[16086,16099] [2022-11-16 11:49:54,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:49:54,098 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:49:54,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:54 WrapperNode [2022-11-16 11:49:54,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:49:54,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:49:54,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:49:54,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:49:54,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:54" (1/1) ... [2022-11-16 11:49:54,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:54" (1/1) ... [2022-11-16 11:49:54,187 INFO L138 Inliner]: procedures = 53, calls = 151, calls flagged for inlining = 48, calls inlined = 49, statements flattened = 396 [2022-11-16 11:49:54,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:49:54,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:49:54,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:49:54,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:49:54,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:54" (1/1) ... [2022-11-16 11:49:54,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:54" (1/1) ... [2022-11-16 11:49:54,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:54" (1/1) ... [2022-11-16 11:49:54,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:54" (1/1) ... [2022-11-16 11:49:54,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:54" (1/1) ... [2022-11-16 11:49:54,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:54" (1/1) ... [2022-11-16 11:49:54,256 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:54" (1/1) ... [2022-11-16 11:49:54,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:54" (1/1) ... [2022-11-16 11:49:54,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:49:54,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:49:54,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:49:54,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:49:54,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:54" (1/1) ... [2022-11-16 11:49:54,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:49:54,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:49:54,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:49:54,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:49:54,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:49:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:49:54,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:49:54,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:49:54,511 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:49:54,514 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:49:55,005 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:49:55,015 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:49:55,015 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:49:55,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:49:55 BoogieIcfgContainer [2022-11-16 11:49:55,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:49:55,020 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:49:55,020 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:49:55,027 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:49:55,028 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:49:55,028 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:49:53" (1/3) ... [2022-11-16 11:49:55,030 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d6a8f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:49:55, skipping insertion in model container [2022-11-16 11:49:55,030 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:49:55,030 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:49:54" (2/3) ... [2022-11-16 11:49:55,031 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d6a8f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:49:55, skipping insertion in model container [2022-11-16 11:49:55,031 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:49:55,031 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:49:55" (3/3) ... [2022-11-16 11:49:55,034 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product35.cil.c [2022-11-16 11:49:55,126 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:49:55,126 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:49:55,126 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:49:55,126 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:49:55,127 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:49:55,127 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:49:55,127 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:49:55,127 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:49:55,135 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3796296296296295) internal successors, (149), 108 states have internal predecessors, (149), 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) [2022-11-16 11:49:55,188 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2022-11-16 11:49:55,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:49:55,189 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:49:55,196 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:49:55,197 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:49:55,197 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:49:55,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3796296296296295) internal successors, (149), 108 states have internal predecessors, (149), 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) [2022-11-16 11:49:55,218 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2022-11-16 11:49:55,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:49:55,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:49:55,219 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:49:55,219 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:49:55,229 INFO L748 eck$LassoCheckResult]: Stem: 100#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(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 35#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 104#L821true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 72#L814true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 13#L829true main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 80#L410true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 108#L384true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 34#L65-2true [2022-11-16 11:49:55,230 INFO L750 eck$LassoCheckResult]: Loop: 34#L65-2true assume !false; 31#L66true assume test_~splverifierCounter~0#1 < 4; 99#L67true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 51#L75true assume !(0 != test_~tmp~0#1); 97#L75-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 32#L85true assume !(0 != test_~tmp___0~0#1); 6#L85-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 74#L95true assume 0 != test_~tmp___2~0#1; 70#L101-2true assume { :begin_inline_timeShift } true; 11#L165true assume !(0 != ~pumpRunning~0); 21#L165-2true assume !(0 != ~systemActive~0); 45#L172-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 49#L909true __utac_acc__Specification4_spec__1_#t~ret8#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret8#1;havoc __utac_acc__Specification4_spec__1_#t~ret8#1; 91#L133true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 61#L133-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 84#L182true assume { :end_inline_timeShift } true; 34#L65-2true [2022-11-16 11:49:55,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:55,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-16 11:49:55,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:55,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541192723] [2022-11-16 11:49:55,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:55,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:55,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:49:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:55,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:49:55,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:55,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1486867772, now seen corresponding path program 1 times [2022-11-16 11:49:55,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:55,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537574050] [2022-11-16 11:49:55,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:55,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:55,424 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:49:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:55,432 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:49:55,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:55,433 INFO L85 PathProgramCache]: Analyzing trace with hash -131448696, now seen corresponding path program 1 times [2022-11-16 11:49:55,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:55,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583202263] [2022-11-16 11:49:55,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:55,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:55,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:49:55,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:49:55,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583202263] [2022-11-16 11:49:55,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583202263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:49:55,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:49:55,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:49:55,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688547534] [2022-11-16 11:49:55,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:49:56,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:49:56,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:49:56,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:49:56,076 INFO L87 Difference]: Start difference. First operand has 109 states, 108 states have (on average 1.3796296296296295) internal successors, (149), 108 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:49:56,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:49:56,208 INFO L93 Difference]: Finished difference Result 269 states and 347 transitions. [2022-11-16 11:49:56,210 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 269 states and 347 transitions. [2022-11-16 11:49:56,214 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 171 [2022-11-16 11:49:56,220 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 269 states to 239 states and 317 transitions. [2022-11-16 11:49:56,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 239 [2022-11-16 11:49:56,223 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 239 [2022-11-16 11:49:56,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 239 states and 317 transitions. [2022-11-16 11:49:56,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:49:56,225 INFO L218 hiAutomatonCegarLoop]: Abstraction has 239 states and 317 transitions. [2022-11-16 11:49:56,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states and 317 transitions. [2022-11-16 11:49:56,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 148. [2022-11-16 11:49:56,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 148 states have (on average 1.3243243243243243) internal successors, (196), 147 states have internal predecessors, (196), 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) [2022-11-16 11:49:56,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 196 transitions. [2022-11-16 11:49:56,274 INFO L240 hiAutomatonCegarLoop]: Abstraction has 148 states and 196 transitions. [2022-11-16 11:49:56,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:49:56,279 INFO L428 stractBuchiCegarLoop]: Abstraction has 148 states and 196 transitions. [2022-11-16 11:49:56,280 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:49:56,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 148 states and 196 transitions. [2022-11-16 11:49:56,290 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 106 [2022-11-16 11:49:56,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:49:56,292 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:49:56,293 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:49:56,293 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] [2022-11-16 11:49:56,295 INFO L748 eck$LassoCheckResult]: Stem: 487#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(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 476#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 477#L821 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 440#L814 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 423#L829 main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 424#L410 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 457#L384 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 464#L65-2 [2022-11-16 11:49:56,295 INFO L750 eck$LassoCheckResult]: Loop: 464#L65-2 assume !false; 465#L66 assume test_~splverifierCounter~0#1 < 4; 466#L67 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 486#L75 assume !(0 != test_~tmp~0#1); 485#L75-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 470#L85 assume !(0 != test_~tmp___0~0#1); 400#L85-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 401#L95 assume 0 != test_~tmp___2~0#1; 437#L101-2 assume { :begin_inline_timeShift } true; 418#L165 assume !(0 != ~pumpRunning~0); 419#L165-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 408#L197 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 409#L189-1 assume { :end_inline_processEnvironment__wrappee__base } true; 421#L197-1 assume { :end_inline_processEnvironment } true; 422#L172-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 488#L909 __utac_acc__Specification4_spec__1_#t~ret8#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret8#1;havoc __utac_acc__Specification4_spec__1_#t~ret8#1; 479#L133 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 398#L133-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 399#L182 assume { :end_inline_timeShift } true; 464#L65-2 [2022-11-16 11:49:56,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:56,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-16 11:49:56,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:56,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106238655] [2022-11-16 11:49:56,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:56,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:56,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:49:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:56,354 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:49:56,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:56,355 INFO L85 PathProgramCache]: Analyzing trace with hash 101413134, now seen corresponding path program 1 times [2022-11-16 11:49:56,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:56,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7720051] [2022-11-16 11:49:56,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:56,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:56,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:49:56,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:49:56,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7720051] [2022-11-16 11:49:56,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7720051] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:49:56,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:49:56,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:49:56,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817749156] [2022-11-16 11:49:56,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:49:56,410 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 11:49:56,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:49:56,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:49:56,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:49:56,414 INFO L87 Difference]: Start difference. First operand 148 states and 196 transitions. cyclomatic complexity: 51 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) [2022-11-16 11:49:56,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:49:56,478 INFO L93 Difference]: Finished difference Result 195 states and 247 transitions. [2022-11-16 11:49:56,478 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 195 states and 247 transitions. [2022-11-16 11:49:56,480 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 143 [2022-11-16 11:49:56,482 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 195 states to 195 states and 247 transitions. [2022-11-16 11:49:56,482 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 195 [2022-11-16 11:49:56,483 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 195 [2022-11-16 11:49:56,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 195 states and 247 transitions. [2022-11-16 11:49:56,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:49:56,484 INFO L218 hiAutomatonCegarLoop]: Abstraction has 195 states and 247 transitions. [2022-11-16 11:49:56,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states and 247 transitions. [2022-11-16 11:49:56,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2022-11-16 11:49:56,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 195 states have (on average 1.2666666666666666) internal successors, (247), 194 states have internal predecessors, (247), 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) [2022-11-16 11:49:56,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 247 transitions. [2022-11-16 11:49:56,493 INFO L240 hiAutomatonCegarLoop]: Abstraction has 195 states and 247 transitions. [2022-11-16 11:49:56,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:49:56,495 INFO L428 stractBuchiCegarLoop]: Abstraction has 195 states and 247 transitions. [2022-11-16 11:49:56,495 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 11:49:56,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 195 states and 247 transitions. [2022-11-16 11:49:56,497 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 143 [2022-11-16 11:49:56,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:49:56,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:49:56,498 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:49:56,498 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] [2022-11-16 11:49:56,499 INFO L748 eck$LassoCheckResult]: Stem: 848#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(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 828#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 829#L821 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 788#L814 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 770#L829 main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 771#L410 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 808#L384 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 859#L65-2 [2022-11-16 11:49:56,499 INFO L750 eck$LassoCheckResult]: Loop: 859#L65-2 assume !false; 916#L66 assume test_~splverifierCounter~0#1 < 4; 846#L67 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 847#L75 assume !(0 != test_~tmp~0#1); 844#L75-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 823#L85 assume !(0 != test_~tmp___0~0#1); 749#L85-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 750#L95 assume 0 != test_~tmp___2~0#1; 791#L101-2 assume { :begin_inline_timeShift } true; 766#L165 assume !(0 != ~pumpRunning~0); 767#L165-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 757#L197 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 758#L917 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 834#L922 isHighWaterLevel_#t~ret20#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret20#1;havoc isHighWaterLevel_#t~ret20#1; 825#L299 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~2#1 := 0; 786#L299-2 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 787#L305 processEnvironment_#t~ret10#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~2#1 := processEnvironment_#t~ret10#1;havoc processEnvironment_#t~ret10#1; 857#L201 assume !(0 != processEnvironment_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 789#L189 assume { :end_inline_processEnvironment__wrappee__base } true; 768#L197-1 assume { :end_inline_processEnvironment } true; 769#L172-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 939#L909 __utac_acc__Specification4_spec__1_#t~ret8#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret8#1;havoc __utac_acc__Specification4_spec__1_#t~ret8#1; 936#L133 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 933#L133-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 931#L182 assume { :end_inline_timeShift } true; 859#L65-2 [2022-11-16 11:49:56,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:56,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-11-16 11:49:56,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:56,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454913716] [2022-11-16 11:49:56,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:56,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:56,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:49:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:56,549 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:49:56,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:56,552 INFO L85 PathProgramCache]: Analyzing trace with hash 477063094, now seen corresponding path program 1 times [2022-11-16 11:49:56,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:56,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092128310] [2022-11-16 11:49:56,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:56,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:56,572 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:49:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:56,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:49:56,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:56,584 INFO L85 PathProgramCache]: Analyzing trace with hash -773941646, now seen corresponding path program 1 times [2022-11-16 11:49:56,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:56,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131775643] [2022-11-16 11:49:56,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:56,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:56,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:49:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:49:56,618 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:50:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:50:01,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:50:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:50:01,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:50:01 BoogieIcfgContainer [2022-11-16 11:50:01,209 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:50:01,209 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:50:01,209 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:50:01,210 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:50:01,210 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:49:55" (3/4) ... [2022-11-16 11:50:01,213 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-16 11:50:01,271 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:50:01,271 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:50:01,272 INFO L158 Benchmark]: Toolchain (without parser) took 7702.81ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 106.1MB in the beginning and 130.5MB in the end (delta: -24.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:50:01,272 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:50:01,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.94ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 111.8MB in the end (delta: -6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:50:01,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.37ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 108.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:50:01,274 INFO L158 Benchmark]: Boogie Preprocessor took 63.98ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 106.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:50:01,275 INFO L158 Benchmark]: RCFGBuilder took 757.47ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 85.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-16 11:50:01,275 INFO L158 Benchmark]: BuchiAutomizer took 6189.33ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 85.9MB in the beginning and 132.6MB in the end (delta: -46.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:50:01,276 INFO L158 Benchmark]: Witness Printer took 61.66ms. Allocated memory is still 180.4MB. Free memory was 132.6MB in the beginning and 130.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:50:01,279 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.94ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 111.8MB in the end (delta: -6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.37ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 108.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.98ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 106.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 757.47ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 85.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 6189.33ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 85.9MB in the beginning and 132.6MB in the end (delta: -46.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 61.66ms. Allocated memory is still 180.4MB. Free memory was 132.6MB in the beginning and 130.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 195 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 91 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, 720 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 720 mSDsluCounter, 939 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 678 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 261 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 65]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L593] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L835] int methaneLevelCritical = 0; [L158] int pumpRunning = 0; [L834] int waterLevel = 1; [L159] int systemActive = 1; [L325] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L401] int retValue_acc ; [L402] int tmp ; [L406] FCALL select_helpers() [L407] FCALL select_features() [L408] CALL, EXPR valid_product() [L825] int retValue_acc ; [L828] retValue_acc = 1 [L829] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L408] RET, EXPR valid_product() [L408] tmp = valid_product() [L410] COND TRUE \read(tmp) [L412] FCALL setup() [L413] CALL runTest() [L392] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L165] COND FALSE !(\read(pumpRunning)) [L172] COND TRUE \read(systemActive) [L174] CALL processEnvironment() [L194] int tmp ; [L197] COND TRUE ! pumpRunning [L199] CALL, EXPR isHighWaterLevel() [L291] int retValue_acc ; [L292] int tmp ; [L293] int tmp___0 ; [L297] CALL, EXPR isHighWaterSensorDry() [L914] int retValue_acc ; [L917] COND TRUE waterLevel < 2 [L918] retValue_acc = 1 [L919] return (retValue_acc); [L297] RET, EXPR isHighWaterSensorDry() [L297] tmp = isHighWaterSensorDry() [L299] COND TRUE \read(tmp) [L300] tmp___0 = 0 [L304] retValue_acc = tmp___0 [L305] return (retValue_acc); [L199] RET, EXPR isHighWaterLevel() [L199] tmp = isHighWaterLevel() [L201] COND FALSE !(\read(tmp)) [L207] FCALL processEnvironment__wrappee__base() [L174] RET processEnvironment() [L180] CALL __utac_acc__Specification4_spec__1() [L126] int tmp ; [L127] int tmp___0 ; [L131] CALL, EXPR getWaterLevel() [L905] int retValue_acc ; [L908] retValue_acc = waterLevel [L909] return (retValue_acc); [L131] RET, EXPR getWaterLevel() [L131] tmp = getWaterLevel() [L133] COND FALSE !(tmp == 0) [L180] RET __utac_acc__Specification4_spec__1() [L110] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L593] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L835] int methaneLevelCritical = 0; [L158] int pumpRunning = 0; [L834] int waterLevel = 1; [L159] int systemActive = 1; [L325] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L401] int retValue_acc ; [L402] int tmp ; [L406] FCALL select_helpers() [L407] FCALL select_features() [L408] CALL, EXPR valid_product() [L825] int retValue_acc ; [L828] retValue_acc = 1 [L829] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L408] RET, EXPR valid_product() [L408] tmp = valid_product() [L410] COND TRUE \read(tmp) [L412] FCALL setup() [L413] CALL runTest() [L392] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L165] COND FALSE !(\read(pumpRunning)) [L172] COND TRUE \read(systemActive) [L174] CALL processEnvironment() [L194] int tmp ; [L197] COND TRUE ! pumpRunning [L199] CALL, EXPR isHighWaterLevel() [L291] int retValue_acc ; [L292] int tmp ; [L293] int tmp___0 ; [L297] CALL, EXPR isHighWaterSensorDry() [L914] int retValue_acc ; [L917] COND TRUE waterLevel < 2 [L918] retValue_acc = 1 [L919] return (retValue_acc); [L297] RET, EXPR isHighWaterSensorDry() [L297] tmp = isHighWaterSensorDry() [L299] COND TRUE \read(tmp) [L300] tmp___0 = 0 [L304] retValue_acc = tmp___0 [L305] return (retValue_acc); [L199] RET, EXPR isHighWaterLevel() [L199] tmp = isHighWaterLevel() [L201] COND FALSE !(\read(tmp)) [L207] FCALL processEnvironment__wrappee__base() [L174] RET processEnvironment() [L180] CALL __utac_acc__Specification4_spec__1() [L126] int tmp ; [L127] int tmp___0 ; [L131] CALL, EXPR getWaterLevel() [L905] int retValue_acc ; [L908] retValue_acc = waterLevel [L909] return (retValue_acc); [L131] RET, EXPR getWaterLevel() [L131] tmp = getWaterLevel() [L133] COND FALSE !(tmp == 0) [L180] RET __utac_acc__Specification4_spec__1() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-16 11:50:01,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe3a1f-70d1-4ca1-937f-da735f2c3121/bin/uautomizer-tPACEb0tL8/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)