./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b 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_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/bin/uautomizer-TMbwUNV5ro --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 72514ca2b4c5f09004dd08dec38f44e827aa0dd8844c3295d87b722cb68767ea --- 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-8393723 [2022-11-18 20:48:43,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:48:43,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:48:43,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:48:43,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:48:43,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:48:43,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:48:43,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:48:43,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:48:43,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:48:43,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:48:43,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:48:43,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:48:43,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:48:43,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:48:43,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:48:43,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:48:43,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:48:43,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:48:43,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:48:43,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:48:43,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:48:43,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:48:43,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:48:43,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:48:43,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:48:43,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:48:43,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:48:43,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:48:43,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:48:43,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:48:43,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:48:43,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:48:43,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:48:43,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:48:43,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:48:43,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:48:43,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:48:43,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:48:43,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:48:43,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:48:43,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 20:48:43,414 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:48:43,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:48:43,415 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:48:43,415 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:48:43,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:48:43,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:48:43,417 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:48:43,417 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:48:43,418 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:48:43,418 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:48:43,419 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:48:43,419 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:48:43,419 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:48:43,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:48:43,420 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:48:43,420 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:48:43,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:48:43,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:48:43,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:48:43,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:48:43,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:48:43,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:48:43,421 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:48:43,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:48:43,422 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:48:43,422 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:48:43,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:48:43,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:48:43,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:48:43,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:48:43,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:48:43,426 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:48:43,426 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_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72514ca2b4c5f09004dd08dec38f44e827aa0dd8844c3295d87b722cb68767ea [2022-11-18 20:48:43,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:48:43,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:48:43,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:48:43,800 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:48:43,801 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:48:43,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c [2022-11-18 20:48:43,868 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/bin/uautomizer-TMbwUNV5ro/data/cd05a9cd0/ef35d6f9138a4bc984134e655ed1925d/FLAG891bb2a44 [2022-11-18 20:48:44,410 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:48:44,411 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c [2022-11-18 20:48:44,422 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/bin/uautomizer-TMbwUNV5ro/data/cd05a9cd0/ef35d6f9138a4bc984134e655ed1925d/FLAG891bb2a44 [2022-11-18 20:48:44,741 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/bin/uautomizer-TMbwUNV5ro/data/cd05a9cd0/ef35d6f9138a4bc984134e655ed1925d [2022-11-18 20:48:44,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:48:44,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:48:44,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:48:44,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:48:44,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:48:44,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:48:44" (1/1) ... [2022-11-18 20:48:44,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717931c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:44, skipping insertion in model container [2022-11-18 20:48:44,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:48:44" (1/1) ... [2022-11-18 20:48:44,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:48:44,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:48:45,053 WARN L234 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_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c[4389,4402] [2022-11-18 20:48:45,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:48:45,132 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:48:45,153 WARN L234 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_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c[4389,4402] [2022-11-18 20:48:45,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:48:45,234 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:48:45,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:45 WrapperNode [2022-11-18 20:48:45,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:48:45,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:48:45,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:48:45,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:48:45,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:45" (1/1) ... [2022-11-18 20:48:45,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:45" (1/1) ... [2022-11-18 20:48:45,315 INFO L138 Inliner]: procedures = 54, calls = 95, calls flagged for inlining = 48, calls inlined = 49, statements flattened = 352 [2022-11-18 20:48:45,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:48:45,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:48:45,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:48:45,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:48:45,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:45" (1/1) ... [2022-11-18 20:48:45,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:45" (1/1) ... [2022-11-18 20:48:45,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:45" (1/1) ... [2022-11-18 20:48:45,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:45" (1/1) ... [2022-11-18 20:48:45,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:45" (1/1) ... [2022-11-18 20:48:45,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:45" (1/1) ... [2022-11-18 20:48:45,365 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:45" (1/1) ... [2022-11-18 20:48:45,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:45" (1/1) ... [2022-11-18 20:48:45,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:48:45,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:48:45,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:48:45,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:48:45,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:45" (1/1) ... [2022-11-18 20:48:45,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:45,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:45,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:45,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:48:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:48:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:48:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:48:45,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:48:45,537 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:48:45,539 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:48:45,899 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:48:45,908 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:48:45,911 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 20:48:45,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:45 BoogieIcfgContainer [2022-11-18 20:48:45,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:48:45,915 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:48:45,915 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:48:45,920 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:48:45,921 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:48:45,921 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:48:44" (1/3) ... [2022-11-18 20:48:45,928 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50a6ae9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:48:45, skipping insertion in model container [2022-11-18 20:48:45,931 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:48:45,931 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:45" (2/3) ... [2022-11-18 20:48:45,933 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50a6ae9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:48:45, skipping insertion in model container [2022-11-18 20:48:45,934 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:48:45,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:45" (3/3) ... [2022-11-18 20:48:45,935 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product34.cil.c [2022-11-18 20:48:46,000 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:48:46,000 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:48:46,000 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:48:46,000 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:48:46,001 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:48:46,001 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:48:46,001 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:48:46,001 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:48:46,008 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3944954128440368) internal successors, (152), 109 states have internal predecessors, (152), 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) [2022-11-18 20:48:46,052 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2022-11-18 20:48:46,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:48:46,052 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:48:46,059 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:46,059 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:46,059 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:48:46,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3944954128440368) internal successors, (152), 109 states have internal predecessors, (152), 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) [2022-11-18 20:48:46,077 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2022-11-18 20:48:46,078 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:48:46,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:48:46,079 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:46,079 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:46,085 INFO L748 eck$LassoCheckResult]: Stem: 96#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);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 34#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; 23#L326true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 111#L319true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 26#L334true 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; 81#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 90#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 27#L271true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 82#L716-2true [2022-11-18 20:48:46,087 INFO L750 eck$LassoCheckResult]: Loop: 82#L716-2true assume !false; 15#L717true assume test_~splverifierCounter~0#1 < 4; 75#L718true test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 74#L726true assume !(0 != test_~tmp~5#1); 59#L726-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 32#L736true assume !(0 != test_~tmp___0~1#1); 36#L736-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 72#L746true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 5#L754true assume 0 != test_~tmp___1~0#1; 48#L754-2true assume { :begin_inline_timeShift } true; 98#L782true assume !(0 != ~pumpRunning~0); 17#L782-2true assume !(0 != ~systemActive~0); 39#L789-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 88#L204true __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 4#L282true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 51#L282-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 104#L799true assume { :end_inline_timeShift } true; 82#L716-2true [2022-11-18 20:48:46,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:46,100 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-18 20:48:46,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:46,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149053268] [2022-11-18 20:48:46,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:46,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:46,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:46,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:46,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:46,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1140613770, now seen corresponding path program 1 times [2022-11-18 20:48:46,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:46,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524548971] [2022-11-18 20:48:46,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:46,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:46,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:46,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:46,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:46,368 INFO L85 PathProgramCache]: Analyzing trace with hash 404672193, now seen corresponding path program 1 times [2022-11-18 20:48:46,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:46,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77780645] [2022-11-18 20:48:46,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:46,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:46,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:46,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:46,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77780645] [2022-11-18 20:48:46,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77780645] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:46,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:46,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:48:46,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109764682] [2022-11-18 20:48:46,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:46,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:46,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:48:46,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:48:46,931 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.3944954128440368) internal successors, (152), 109 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2022-11-18 20:48:47,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:47,002 INFO L93 Difference]: Finished difference Result 107 states and 138 transitions. [2022-11-18 20:48:47,004 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 107 states and 138 transitions. [2022-11-18 20:48:47,006 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-11-18 20:48:47,011 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 107 states to 97 states and 128 transitions. [2022-11-18 20:48:47,012 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 97 [2022-11-18 20:48:47,013 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 97 [2022-11-18 20:48:47,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 97 states and 128 transitions. [2022-11-18 20:48:47,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:48:47,014 INFO L218 hiAutomatonCegarLoop]: Abstraction has 97 states and 128 transitions. [2022-11-18 20:48:47,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states and 128 transitions. [2022-11-18 20:48:47,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-11-18 20:48:47,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 97 states have (on average 1.3195876288659794) internal successors, (128), 96 states have internal predecessors, (128), 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) [2022-11-18 20:48:47,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 128 transitions. [2022-11-18 20:48:47,048 INFO L240 hiAutomatonCegarLoop]: Abstraction has 97 states and 128 transitions. [2022-11-18 20:48:47,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:48:47,053 INFO L428 stractBuchiCegarLoop]: Abstraction has 97 states and 128 transitions. [2022-11-18 20:48:47,053 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:48:47,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 128 transitions. [2022-11-18 20:48:47,055 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-11-18 20:48:47,055 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:48:47,055 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:48:47,056 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:47,056 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] [2022-11-18 20:48:47,056 INFO L748 eck$LassoCheckResult]: Stem: 331#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);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 291#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; 273#L326 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 274#L319 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 278#L334 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; 279#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 328#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 280#L271 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 281#L716-2 [2022-11-18 20:48:47,057 INFO L750 eck$LassoCheckResult]: Loop: 281#L716-2 assume !false; 259#L717 assume test_~splverifierCounter~0#1 < 4; 260#L718 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 323#L726 assume !(0 != test_~tmp~5#1); 267#L726-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 287#L736 assume !(0 != test_~tmp___0~1#1); 289#L736-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 292#L746 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 240#L754 assume 0 != test_~tmp___1~0#1; 241#L754-2 assume { :begin_inline_timeShift } true; 308#L782 assume !(0 != ~pumpRunning~0); 264#L782-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 265#L814 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 314#L806-1 assume { :end_inline_processEnvironment__wrappee__base } true; 312#L814-1 assume { :end_inline_processEnvironment } true; 297#L789-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 298#L204 __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 237#L282 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 239#L282-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 309#L799 assume { :end_inline_timeShift } true; 281#L716-2 [2022-11-18 20:48:47,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:47,058 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-18 20:48:47,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:47,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509629476] [2022-11-18 20:48:47,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:47,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:47,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:47,076 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:47,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:47,077 INFO L85 PathProgramCache]: Analyzing trace with hash -552434515, now seen corresponding path program 1 times [2022-11-18 20:48:47,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:47,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594345478] [2022-11-18 20:48:47,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:47,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:47,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:47,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:47,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594345478] [2022-11-18 20:48:47,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594345478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:47,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:47,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:48:47,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063079267] [2022-11-18 20:48:47,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:47,099 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 20:48:47,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:47,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:48:47,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:47,101 INFO L87 Difference]: Start difference. First operand 97 states and 128 transitions. cyclomatic complexity: 33 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-18 20:48:47,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:47,153 INFO L93 Difference]: Finished difference Result 153 states and 197 transitions. [2022-11-18 20:48:47,153 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 197 transitions. [2022-11-18 20:48:47,154 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2022-11-18 20:48:47,156 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 153 states and 197 transitions. [2022-11-18 20:48:47,156 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 153 [2022-11-18 20:48:47,157 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 153 [2022-11-18 20:48:47,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 153 states and 197 transitions. [2022-11-18 20:48:47,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:48:47,158 INFO L218 hiAutomatonCegarLoop]: Abstraction has 153 states and 197 transitions. [2022-11-18 20:48:47,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states and 197 transitions. [2022-11-18 20:48:47,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2022-11-18 20:48:47,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 153 states have (on average 1.2875816993464053) internal successors, (197), 152 states have internal predecessors, (197), 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) [2022-11-18 20:48:47,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 197 transitions. [2022-11-18 20:48:47,166 INFO L240 hiAutomatonCegarLoop]: Abstraction has 153 states and 197 transitions. [2022-11-18 20:48:47,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:48:47,168 INFO L428 stractBuchiCegarLoop]: Abstraction has 153 states and 197 transitions. [2022-11-18 20:48:47,168 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:48:47,168 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 153 states and 197 transitions. [2022-11-18 20:48:47,169 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2022-11-18 20:48:47,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:48:47,170 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:48:47,170 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:47,171 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] [2022-11-18 20:48:47,171 INFO L748 eck$LassoCheckResult]: Stem: 596#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);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 546#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; 528#L326 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 529#L319 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 533#L334 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; 534#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 590#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 535#L271 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 536#L716-2 [2022-11-18 20:48:47,171 INFO L750 eck$LassoCheckResult]: Loop: 536#L716-2 assume !false; 514#L717 assume test_~splverifierCounter~0#1 < 4; 515#L718 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 642#L726 assume !(0 != test_~tmp~5#1); 640#L726-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 542#L736 assume !(0 != test_~tmp___0~1#1); 544#L736-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 547#L746 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 496#L754 assume 0 != test_~tmp___1~0#1; 497#L754-2 assume { :begin_inline_timeShift } true; 564#L782 assume !(0 != ~pumpRunning~0); 597#L782-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 582#L814 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret50#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;havoc isHighWaterSensorDry_~retValue_acc~3#1; 505#L244 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; 503#L249 isHighWaterLevel_#t~ret50#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret50#1;havoc isHighWaterLevel_#t~ret50#1; 504#L916 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~2#1 := 0; 506#L916-2 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 507#L922 processEnvironment_#t~ret40#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~6#1 := processEnvironment_#t~ret40#1;havoc processEnvironment_#t~ret40#1; 579#L818 assume !(0 != processEnvironment_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 567#L806 assume { :end_inline_processEnvironment__wrappee__base } true; 568#L814-1 assume { :end_inline_processEnvironment } true; 552#L789-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 553#L204 __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 493#L282 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 495#L282-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 565#L799 assume { :end_inline_timeShift } true; 536#L716-2 [2022-11-18 20:48:47,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:47,172 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-18 20:48:47,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:47,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738198481] [2022-11-18 20:48:47,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:47,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:47,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:47,202 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:47,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:47,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1828963851, now seen corresponding path program 1 times [2022-11-18 20:48:47,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:47,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607485819] [2022-11-18 20:48:47,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:47,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:47,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:47,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:47,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:47,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1130718306, now seen corresponding path program 1 times [2022-11-18 20:48:47,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:47,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409769169] [2022-11-18 20:48:47,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:47,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:47,260 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:47,277 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:48,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:48,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:48:48 BoogieIcfgContainer [2022-11-18 20:48:48,851 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:48:48,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:48:48,853 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:48:48,853 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:48:48,854 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:45" (3/4) ... [2022-11-18 20:48:48,857 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-18 20:48:48,922 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:48:48,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:48:48,923 INFO L158 Benchmark]: Toolchain (without parser) took 4171.79ms. Allocated memory was 115.3MB in the beginning and 142.6MB in the end (delta: 27.3MB). Free memory was 72.7MB in the beginning and 91.1MB in the end (delta: -18.4MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-11-18 20:48:48,924 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory was 90.4MB in the beginning and 90.3MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:48:48,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.72ms. Allocated memory is still 115.3MB. Free memory was 72.6MB in the beginning and 83.5MB in the end (delta: -10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:48:48,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.33ms. Allocated memory is still 115.3MB. Free memory was 83.5MB in the beginning and 80.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:48:48,926 INFO L158 Benchmark]: Boogie Preprocessor took 58.20ms. Allocated memory is still 115.3MB. Free memory was 80.9MB in the beginning and 78.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:48:48,926 INFO L158 Benchmark]: RCFGBuilder took 537.86ms. Allocated memory is still 115.3MB. Free memory was 78.8MB in the beginning and 60.4MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-18 20:48:48,927 INFO L158 Benchmark]: BuchiAutomizer took 2936.10ms. Allocated memory was 115.3MB in the beginning and 142.6MB in the end (delta: 27.3MB). Free memory was 60.4MB in the beginning and 94.2MB in the end (delta: -33.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:48:48,927 INFO L158 Benchmark]: Witness Printer took 70.54ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 91.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:48:48,930 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory was 90.4MB in the beginning and 90.3MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 480.72ms. Allocated memory is still 115.3MB. Free memory was 72.6MB in the beginning and 83.5MB in the end (delta: -10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.33ms. Allocated memory is still 115.3MB. Free memory was 83.5MB in the beginning and 80.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.20ms. Allocated memory is still 115.3MB. Free memory was 80.9MB in the beginning and 78.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 537.86ms. Allocated memory is still 115.3MB. Free memory was 78.8MB in the beginning and 60.4MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2936.10ms. Allocated memory was 115.3MB in the beginning and 142.6MB in the end (delta: 27.3MB). Free memory was 60.4MB in the beginning and 94.2MB in the end (delta: -33.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 70.54ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 91.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 153 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 502 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 502 mSDsluCounter, 353 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 79 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 274 mSDtfsCounter, 29 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: 716]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L508] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L265] int methAndRunningLastTime ; [L162] int methaneLevelCritical = 0; [L775] int pumpRunning = 0; [L161] int waterLevel = 1; [L776] int systemActive = 1; [L50] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L330] int retValue_acc ; [L333] retValue_acc = 1 [L334] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification2_spec__1() [L270] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification2_spec__1() [L124] CALL test() [L707] int splverifierCounter ; [L708] int tmp ; [L709] int tmp___0 ; [L710] int tmp___1 ; [L711] int tmp___2 ; [L714] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L716] COND TRUE 1 [L718] COND TRUE splverifierCounter < 4 [L724] tmp = __VERIFIER_nondet_int() [L726] COND FALSE !(\read(tmp)) [L734] tmp___0 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___0)) [L744] tmp___2 = __VERIFIER_nondet_int() [L746] COND FALSE !(\read(tmp___2)) [L752] tmp___1 = __VERIFIER_nondet_int() [L754] COND TRUE \read(tmp___1) [L761] CALL timeShift() [L782] COND FALSE !(\read(pumpRunning)) [L789] COND TRUE \read(systemActive) [L791] CALL processEnvironment() [L811] int tmp ; [L814] COND TRUE ! pumpRunning [L816] CALL, EXPR isHighWaterLevel() [L908] int retValue_acc ; [L909] int tmp ; [L910] int tmp___0 ; [L914] CALL, EXPR isHighWaterSensorDry() [L241] int retValue_acc ; [L244] COND TRUE waterLevel < 2 [L245] retValue_acc = 1 [L246] return (retValue_acc); [L914] RET, EXPR isHighWaterSensorDry() [L914] tmp = isHighWaterSensorDry() [L916] COND TRUE \read(tmp) [L917] tmp___0 = 0 [L921] retValue_acc = tmp___0 [L922] return (retValue_acc); [L816] RET, EXPR isHighWaterLevel() [L816] tmp = isHighWaterLevel() [L818] COND FALSE !(\read(tmp)) [L824] FCALL processEnvironment__wrappee__base() [L791] RET processEnvironment() [L797] CALL __utac_acc__Specification2_spec__2() [L275] int tmp ; [L276] int tmp___0 ; [L280] CALL, EXPR isMethaneLevelCritical() [L200] int retValue_acc ; [L203] retValue_acc = methaneLevelCritical [L204] return (retValue_acc); [L280] RET, EXPR isMethaneLevelCritical() [L280] tmp = isMethaneLevelCritical() [L282] COND FALSE !(\read(tmp)) [L298] methAndRunningLastTime = 0 [L797] RET __utac_acc__Specification2_spec__2() [L761] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 716]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L508] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L265] int methAndRunningLastTime ; [L162] int methaneLevelCritical = 0; [L775] int pumpRunning = 0; [L161] int waterLevel = 1; [L776] int systemActive = 1; [L50] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L330] int retValue_acc ; [L333] retValue_acc = 1 [L334] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification2_spec__1() [L270] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification2_spec__1() [L124] CALL test() [L707] int splverifierCounter ; [L708] int tmp ; [L709] int tmp___0 ; [L710] int tmp___1 ; [L711] int tmp___2 ; [L714] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L716] COND TRUE 1 [L718] COND TRUE splverifierCounter < 4 [L724] tmp = __VERIFIER_nondet_int() [L726] COND FALSE !(\read(tmp)) [L734] tmp___0 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___0)) [L744] tmp___2 = __VERIFIER_nondet_int() [L746] COND FALSE !(\read(tmp___2)) [L752] tmp___1 = __VERIFIER_nondet_int() [L754] COND TRUE \read(tmp___1) [L761] CALL timeShift() [L782] COND FALSE !(\read(pumpRunning)) [L789] COND TRUE \read(systemActive) [L791] CALL processEnvironment() [L811] int tmp ; [L814] COND TRUE ! pumpRunning [L816] CALL, EXPR isHighWaterLevel() [L908] int retValue_acc ; [L909] int tmp ; [L910] int tmp___0 ; [L914] CALL, EXPR isHighWaterSensorDry() [L241] int retValue_acc ; [L244] COND TRUE waterLevel < 2 [L245] retValue_acc = 1 [L246] return (retValue_acc); [L914] RET, EXPR isHighWaterSensorDry() [L914] tmp = isHighWaterSensorDry() [L916] COND TRUE \read(tmp) [L917] tmp___0 = 0 [L921] retValue_acc = tmp___0 [L922] return (retValue_acc); [L816] RET, EXPR isHighWaterLevel() [L816] tmp = isHighWaterLevel() [L818] COND FALSE !(\read(tmp)) [L824] FCALL processEnvironment__wrappee__base() [L791] RET processEnvironment() [L797] CALL __utac_acc__Specification2_spec__2() [L275] int tmp ; [L276] int tmp___0 ; [L280] CALL, EXPR isMethaneLevelCritical() [L200] int retValue_acc ; [L203] retValue_acc = methaneLevelCritical [L204] return (retValue_acc); [L280] RET, EXPR isMethaneLevelCritical() [L280] tmp = isMethaneLevelCritical() [L282] COND FALSE !(\read(tmp)) [L298] methAndRunningLastTime = 0 [L797] RET __utac_acc__Specification2_spec__2() [L761] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-18 20:48:48,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77710fe-c85e-4f3d-a9e1-4570860d9bb8/bin/uautomizer-TMbwUNV5ro/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)