./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf1e6a-1afa-4e69-8084-c39af73185e7/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf1e6a-1afa-4e69-8084-c39af73185e7/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf1e6a-1afa-4e69-8084-c39af73185e7/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf1e6a-1afa-4e69-8084-c39af73185e7/bin/uautomizer-QkZJyEgLgS/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf1e6a-1afa-4e69-8084-c39af73185e7/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf1e6a-1afa-4e69-8084-c39af73185e7/bin/uautomizer-QkZJyEgLgS --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 ccaa7fbdcb9338da1f8fd3ccb37732a1f2165a762a28b1457475bd920e3cf3c3 --- 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-4e7fbc6 [2022-11-23 02:28:48,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:28:48,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:28:48,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:28:48,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:28:48,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:28:48,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:28:48,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:28:48,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:28:48,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:28:48,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:28:48,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:28:48,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:28:48,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:28:48,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:28:48,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:28:48,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:28:48,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:28:48,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:28:48,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:28:48,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:28:48,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:28:48,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:28:48,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:28:48,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:28:48,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:28:48,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:28:48,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:28:48,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:28:48,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:28:48,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:28:48,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:28:48,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:28:48,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:28:48,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:28:48,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:28:48,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:28:48,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:28:48,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:28:48,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:28:48,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:28:48,287 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf1e6a-1afa-4e69-8084-c39af73185e7/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-23 02:28:48,330 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:28:48,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:28:48,331 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:28:48,331 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:28:48,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:28:48,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:28:48,333 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:28:48,333 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-23 02:28:48,333 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-23 02:28:48,334 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-23 02:28:48,334 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-23 02:28:48,334 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-23 02:28:48,334 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-23 02:28:48,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:28:48,335 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 02:28:48,335 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:28:48,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:28:48,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 02:28:48,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:28:48,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-23 02:28:48,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-23 02:28:48,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-23 02:28:48,337 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 02:28:48,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:28:48,337 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-23 02:28:48,337 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:28:48,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-23 02:28:48,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:28:48,338 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:28:48,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:28:48,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:28:48,340 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-23 02:28:48,342 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_3eaf1e6a-1afa-4e69-8084-c39af73185e7/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf1e6a-1afa-4e69-8084-c39af73185e7/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccaa7fbdcb9338da1f8fd3ccb37732a1f2165a762a28b1457475bd920e3cf3c3 [2022-11-23 02:28:48,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:28:48,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:28:48,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:28:48,689 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:28:48,690 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:28:48,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf1e6a-1afa-4e69-8084-c39af73185e7/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c [2022-11-23 02:28:51,797 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:28:52,064 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:28:52,065 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf1e6a-1afa-4e69-8084-c39af73185e7/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c [2022-11-23 02:28:52,077 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf1e6a-1afa-4e69-8084-c39af73185e7/bin/uautomizer-QkZJyEgLgS/data/49abd4b6d/c037a06f2e884615bae6ab1f554dbb38/FLAG714af930e [2022-11-23 02:28:52,095 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf1e6a-1afa-4e69-8084-c39af73185e7/bin/uautomizer-QkZJyEgLgS/data/49abd4b6d/c037a06f2e884615bae6ab1f554dbb38 [2022-11-23 02:28:52,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:28:52,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:28:52,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:28:52,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:28:52,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:28:52,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:52" (1/1) ... [2022-11-23 02:28:52,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5acd48a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:52, skipping insertion in model container [2022-11-23 02:28:52,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:52" (1/1) ... [2022-11-23 02:28:52,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:28:52,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:28:52,364 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf1e6a-1afa-4e69-8084-c39af73185e7/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c[2141,2154] [2022-11-23 02:28:52,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:28:52,500 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:28:52,536 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf1e6a-1afa-4e69-8084-c39af73185e7/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c[2141,2154] [2022-11-23 02:28:52,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:28:52,660 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:28:52,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:52 WrapperNode [2022-11-23 02:28:52,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:28:52,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:28:52,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:28:52,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:28:52,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:52" (1/1) ... [2022-11-23 02:28:52,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:52" (1/1) ... [2022-11-23 02:28:52,732 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 55, calls inlined = 84, statements flattened = 541 [2022-11-23 02:28:52,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:28:52,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:28:52,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:28:52,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:28:52,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:52" (1/1) ... [2022-11-23 02:28:52,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:52" (1/1) ... [2022-11-23 02:28:52,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:52" (1/1) ... [2022-11-23 02:28:52,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:52" (1/1) ... [2022-11-23 02:28:52,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:52" (1/1) ... [2022-11-23 02:28:52,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:52" (1/1) ... [2022-11-23 02:28:52,766 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:52" (1/1) ... [2022-11-23 02:28:52,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:52" (1/1) ... [2022-11-23 02:28:52,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:28:52,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:28:52,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:28:52,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:28:52,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:52" (1/1) ... [2022-11-23 02:28:52,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:28:52,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf1e6a-1afa-4e69-8084-c39af73185e7/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:28:52,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf1e6a-1afa-4e69-8084-c39af73185e7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:28:52,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf1e6a-1afa-4e69-8084-c39af73185e7/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-23 02:28:52,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:28:52,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:28:52,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:28:52,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:28:53,096 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:28:53,099 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:28:53,634 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:28:53,644 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:28:53,651 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 02:28:53,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:53 BoogieIcfgContainer [2022-11-23 02:28:53,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:28:53,655 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-23 02:28:53,656 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-23 02:28:53,660 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-23 02:28:53,664 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 02:28:53,664 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:28:52" (1/3) ... [2022-11-23 02:28:53,665 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@736be219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:28:53, skipping insertion in model container [2022-11-23 02:28:53,666 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 02:28:53,666 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:52" (2/3) ... [2022-11-23 02:28:53,666 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@736be219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:28:53, skipping insertion in model container [2022-11-23 02:28:53,668 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 02:28:53,668 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:53" (3/3) ... [2022-11-23 02:28:53,670 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product29.cil.c [2022-11-23 02:28:53,735 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-23 02:28:53,735 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-23 02:28:53,735 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-23 02:28:53,735 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-23 02:28:53,735 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-23 02:28:53,735 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-23 02:28:53,735 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-23 02:28:53,736 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-23 02:28:53,740 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 160 states, 159 states have (on average 1.3459119496855345) internal successors, (214), 159 states have internal predecessors, (214), 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) [2022-11-23 02:28:53,773 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2022-11-23 02:28:53,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:28:53,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:28:53,781 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:28:53,782 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:28:53,782 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-23 02:28:53,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 160 states, 159 states have (on average 1.3459119496855345) internal successors, (214), 159 states have internal predecessors, (214), 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) [2022-11-23 02:28:53,790 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2022-11-23 02:28:53,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:28:53,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:28:53,791 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:28:53,792 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:28:53,797 INFO L748 eck$LassoCheckResult]: Stem: 145#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 47#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~5#1, main_~tmp~0#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 68#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 148#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 29#L83true main_#t~ret10#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 106#L280true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 63#L254true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 108#L934true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#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; 34#L507-2true [2022-11-23 02:28:53,798 INFO L750 eck$LassoCheckResult]: Loop: 34#L507-2true assume !false; 38#L508true assume test_~splverifierCounter~0#1 < 4; 54#L509true test_~tmp~5#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 93#L517true assume !(0 != test_~tmp~5#1); 49#L517-2true test_~tmp___0~1#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 105#L527true assume !(0 != test_~tmp___0~1#1); 132#L527-2true test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 94#L537true assume 0 != test_~tmp___2~0#1; 151#L543-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 3#L437true __utac_acc__Specification5_spec__2_#t~ret51#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret51#1;havoc __utac_acc__Specification5_spec__2_#t~ret51#1; 5#L944true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 96#L309true assume !(0 != ~pumpRunning~0); 160#L309-2true assume !(0 != ~systemActive~0); 92#L316-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 149#L179true __utac_acc__Specification5_spec__3_#t~ret52#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 83#L955true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 116#L955-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 36#L326true assume { :end_inline_timeShift } true; 34#L507-2true [2022-11-23 02:28:53,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:28:53,805 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-23 02:28:53,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:28:53,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940333074] [2022-11-23 02:28:53,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:28:53,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:28:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:28:53,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:28:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:28:53,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:28:53,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:28:53,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1727858828, now seen corresponding path program 1 times [2022-11-23 02:28:53,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:28:53,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921362029] [2022-11-23 02:28:53,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:28:53,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:28:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:28:53,993 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:28:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:28:54,005 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:28:54,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:28:54,007 INFO L85 PathProgramCache]: Analyzing trace with hash 388506421, now seen corresponding path program 1 times [2022-11-23 02:28:54,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:28:54,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307982139] [2022-11-23 02:28:54,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:28:54,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:28:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:54,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:28:54,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:28:54,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307982139] [2022-11-23 02:28:54,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307982139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:28:54,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:28:54,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:28:54,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292740483] [2022-11-23 02:28:54,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:28:54,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:28:54,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:28:54,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:28:54,498 INFO L87 Difference]: Start difference. First operand has 160 states, 159 states have (on average 1.3459119496855345) internal successors, (214), 159 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:28:54,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:28:54,598 INFO L93 Difference]: Finished difference Result 157 states and 200 transitions. [2022-11-23 02:28:54,600 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 157 states and 200 transitions. [2022-11-23 02:28:54,604 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2022-11-23 02:28:54,623 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 157 states to 147 states and 190 transitions. [2022-11-23 02:28:54,624 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 147 [2022-11-23 02:28:54,625 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 147 [2022-11-23 02:28:54,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 147 states and 190 transitions. [2022-11-23 02:28:54,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:28:54,627 INFO L218 hiAutomatonCegarLoop]: Abstraction has 147 states and 190 transitions. [2022-11-23 02:28:54,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states and 190 transitions. [2022-11-23 02:28:54,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2022-11-23 02:28:54,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 147 states have (on average 1.2925170068027212) internal successors, (190), 146 states have internal predecessors, (190), 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) [2022-11-23 02:28:54,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 190 transitions. [2022-11-23 02:28:54,684 INFO L240 hiAutomatonCegarLoop]: Abstraction has 147 states and 190 transitions. [2022-11-23 02:28:54,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 02:28:54,690 INFO L428 stractBuchiCegarLoop]: Abstraction has 147 states and 190 transitions. [2022-11-23 02:28:54,690 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-23 02:28:54,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 147 states and 190 transitions. [2022-11-23 02:28:54,702 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2022-11-23 02:28:54,702 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:28:54,702 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:28:54,703 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:28:54,704 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:28:54,704 INFO L748 eck$LassoCheckResult]: Stem: 481#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 410#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~5#1, main_~tmp~0#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 411#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 440#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 382#L83 main_#t~ret10#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 383#L280 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 433#L254 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 434#L934 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#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; 389#L507-2 [2022-11-23 02:28:54,706 INFO L750 eck$LassoCheckResult]: Loop: 389#L507-2 assume !false; 390#L508 assume test_~splverifierCounter~0#1 < 4; 395#L509 test_~tmp~5#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 422#L517 assume !(0 != test_~tmp~5#1); 412#L517-2 test_~tmp___0~1#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 413#L527 assume !(0 != test_~tmp___0~1#1); 448#L527-2 test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 461#L537 assume 0 != test_~tmp___2~0#1; 424#L543-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 337#L437 __utac_acc__Specification5_spec__2_#t~ret51#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret51#1;havoc __utac_acc__Specification5_spec__2_#t~ret51#1; 338#L944 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 339#L309 assume !(0 != ~pumpRunning~0); 416#L309-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 354#L367 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret11#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 356#L341-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 454#L333-3 assume { :end_inline_processEnvironment__wrappee__base } true; 353#L341-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 361#L367-1 assume { :end_inline_processEnvironment } true; 459#L316-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 460#L179 __utac_acc__Specification5_spec__3_#t~ret52#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 455#L955 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 336#L955-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 391#L326 assume { :end_inline_timeShift } true; 389#L507-2 [2022-11-23 02:28:54,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:28:54,707 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-23 02:28:54,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:28:54,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904128460] [2022-11-23 02:28:54,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:28:54,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:28:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:28:54,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:28:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:28:54,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:28:54,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:28:54,740 INFO L85 PathProgramCache]: Analyzing trace with hash 740546312, now seen corresponding path program 1 times [2022-11-23 02:28:54,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:28:54,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386699449] [2022-11-23 02:28:54,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:28:54,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:28:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:28:54,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:28:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:28:54,758 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:28:54,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:28:54,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1564212735, now seen corresponding path program 1 times [2022-11-23 02:28:54,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:28:54,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977801547] [2022-11-23 02:28:54,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:28:54,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:28:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:28:54,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:28:54,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:28:54,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977801547] [2022-11-23 02:28:54,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977801547] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:28:54,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:28:54,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:28:54,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657120106] [2022-11-23 02:28:54,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:28:55,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:28:55,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 02:28:55,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:28:55,104 INFO L87 Difference]: Start difference. First operand 147 states and 190 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2022-11-23 02:28:55,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:28:55,346 INFO L93 Difference]: Finished difference Result 436 states and 566 transitions. [2022-11-23 02:28:55,346 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 436 states and 566 transitions. [2022-11-23 02:28:55,359 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 266 [2022-11-23 02:28:55,366 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 436 states to 436 states and 566 transitions. [2022-11-23 02:28:55,367 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 436 [2022-11-23 02:28:55,369 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 436 [2022-11-23 02:28:55,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 436 states and 566 transitions. [2022-11-23 02:28:55,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:28:55,379 INFO L218 hiAutomatonCegarLoop]: Abstraction has 436 states and 566 transitions. [2022-11-23 02:28:55,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states and 566 transitions. [2022-11-23 02:28:55,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 285. [2022-11-23 02:28:55,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 285 states have (on average 1.287719298245614) internal successors, (367), 284 states have internal predecessors, (367), 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) [2022-11-23 02:28:55,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 367 transitions. [2022-11-23 02:28:55,403 INFO L240 hiAutomatonCegarLoop]: Abstraction has 285 states and 367 transitions. [2022-11-23 02:28:55,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 02:28:55,405 INFO L428 stractBuchiCegarLoop]: Abstraction has 285 states and 367 transitions. [2022-11-23 02:28:55,405 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-23 02:28:55,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 285 states and 367 transitions. [2022-11-23 02:28:55,408 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 195 [2022-11-23 02:28:55,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:28:55,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:28:55,410 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:28:55,410 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] [2022-11-23 02:28:55,410 INFO L748 eck$LassoCheckResult]: Stem: 1092#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 1009#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~5#1, main_~tmp~0#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1010#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1040#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 981#L83 main_#t~ret10#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 982#L280 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1033#L254 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1034#L934 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#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; 988#L507-2 [2022-11-23 02:28:55,411 INFO L750 eck$LassoCheckResult]: Loop: 988#L507-2 assume !false; 989#L508 assume test_~splverifierCounter~0#1 < 4; 994#L509 test_~tmp~5#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 1020#L517 assume !(0 != test_~tmp~5#1); 1012#L517-2 test_~tmp___0~1#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 1013#L527 assume !(0 != test_~tmp___0~1#1); 1048#L527-2 test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 1064#L537 assume 0 != test_~tmp___2~0#1; 1024#L543-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 934#L437 __utac_acc__Specification5_spec__2_#t~ret51#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret51#1;havoc __utac_acc__Specification5_spec__2_#t~ret51#1; 935#L944 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 938#L309 assume !(0 != ~pumpRunning~0); 1016#L309-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 951#L367 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret11#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 953#L341-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1054#L333-3 assume { :end_inline_processEnvironment__wrappee__base } true; 955#L341-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 959#L367-1 assume { :end_inline_processEnvironment } true; 1062#L316-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 1063#L179 __utac_acc__Specification5_spec__3_#t~ret52#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 1055#L955 assume 2 != __utac_acc__Specification5_spec__3_~tmp~9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 1056#L437-1 __utac_acc__Specification5_spec__3_#t~ret53#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret53#1;havoc __utac_acc__Specification5_spec__3_#t~ret53#1; 1078#L959 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 937#L955-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 991#L326 assume { :end_inline_timeShift } true; 988#L507-2 [2022-11-23 02:28:55,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:28:55,412 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-23 02:28:55,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:28:55,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602671796] [2022-11-23 02:28:55,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:28:55,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:28:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:28:55,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:28:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:28:55,437 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:28:55,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:28:55,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1318662333, now seen corresponding path program 1 times [2022-11-23 02:28:55,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:28:55,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657504309] [2022-11-23 02:28:55,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:28:55,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:28:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:28:55,448 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:28:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:28:55,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:28:55,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:28:55,458 INFO L85 PathProgramCache]: Analyzing trace with hash -49212294, now seen corresponding path program 1 times [2022-11-23 02:28:55,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:28:55,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954195940] [2022-11-23 02:28:55,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:28:55,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:28:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:28:55,486 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:28:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:28:55,518 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:28:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:28:56,848 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:28:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:28:56,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:28:56 BoogieIcfgContainer [2022-11-23 02:28:56,950 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-23 02:28:56,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:28:56,951 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:28:56,951 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:28:56,952 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:53" (3/4) ... [2022-11-23 02:28:56,955 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-23 02:28:57,012 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf1e6a-1afa-4e69-8084-c39af73185e7/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 02:28:57,012 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:28:57,013 INFO L158 Benchmark]: Toolchain (without parser) took 4913.42ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 142.7MB in the beginning and 129.5MB in the end (delta: 13.2MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2022-11-23 02:28:57,013 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:28:57,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 560.16ms. Allocated memory is still 174.1MB. Free memory was 142.5MB in the beginning and 127.0MB in the end (delta: 15.5MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-11-23 02:28:57,014 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.25ms. Allocated memory is still 174.1MB. Free memory was 127.0MB in the beginning and 124.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:28:57,015 INFO L158 Benchmark]: Boogie Preprocessor took 58.58ms. Allocated memory is still 174.1MB. Free memory was 124.3MB in the beginning and 121.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:28:57,015 INFO L158 Benchmark]: RCFGBuilder took 861.68ms. Allocated memory is still 174.1MB. Free memory was 121.6MB in the beginning and 127.4MB in the end (delta: -5.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 02:28:57,016 INFO L158 Benchmark]: BuchiAutomizer took 3294.76ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 127.4MB in the beginning and 131.6MB in the end (delta: -4.3MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2022-11-23 02:28:57,016 INFO L158 Benchmark]: Witness Printer took 61.59ms. Allocated memory is still 209.7MB. Free memory was 131.6MB in the beginning and 129.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:28:57,018 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 130.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 560.16ms. Allocated memory is still 174.1MB. Free memory was 142.5MB in the beginning and 127.0MB in the end (delta: 15.5MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.25ms. Allocated memory is still 174.1MB. Free memory was 127.0MB in the beginning and 124.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.58ms. Allocated memory is still 174.1MB. Free memory was 124.3MB in the beginning and 121.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 861.68ms. Allocated memory is still 174.1MB. Free memory was 121.6MB in the beginning and 127.4MB in the end (delta: -5.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3294.76ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 127.4MB in the beginning and 131.6MB in the end (delta: -4.3MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Witness Printer took 61.59ms. Allocated memory is still 209.7MB. Free memory was 131.6MB in the beginning and 129.5MB 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 285 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 151 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, 1237 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1237 mSDsluCounter, 1093 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 632 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 103 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 461 mSDtfsCounter, 103 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 507]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L104] int waterLevel = 1; [L105] int methaneLevelCritical = 0; [L193] int cleanupTimeShifts = 4; [L297] int pumpRunning = 0; [L298] int systemActive = 1; [L731] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L928] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L271] int retValue_acc ; [L272] int tmp ; [L276] FCALL select_helpers() [L277] FCALL select_features() [L278] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L278] RET, EXPR valid_product() [L278] tmp = valid_product() [L280] COND TRUE \read(tmp) [L282] FCALL setup() [L283] CALL runTest() [L264] CALL __utac_acc__Specification5_spec__1() [L933] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L264] RET __utac_acc__Specification5_spec__1() [L265] CALL test() [L498] int splverifierCounter ; [L499] int tmp ; [L500] int tmp___0 ; [L501] int tmp___1 ; [L502] int tmp___2 ; [L505] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L507] COND TRUE 1 [L509] COND TRUE splverifierCounter < 4 [L515] tmp = __VERIFIER_nondet_int() [L517] COND FALSE !(\read(tmp)) [L525] tmp___0 = __VERIFIER_nondet_int() [L527] COND FALSE !(\read(tmp___0)) [L535] tmp___2 = __VERIFIER_nondet_int() [L537] COND TRUE \read(tmp___2) [L550] CALL timeShift() [L307] CALL __utac_acc__Specification5_spec__2() [L942] CALL, EXPR isPumpRunning() [L433] int retValue_acc ; [L436] retValue_acc = pumpRunning [L437] return (retValue_acc); [L942] RET, EXPR isPumpRunning() [L942] switchedOnBeforeTS = isPumpRunning() [L307] RET __utac_acc__Specification5_spec__2() [L309] COND FALSE !(\read(pumpRunning)) [L316] COND TRUE \read(systemActive) [L318] CALL processEnvironment() [L364] int tmp ; [L367] COND FALSE !(\read(pumpRunning)) [L382] CALL processEnvironment__wrappee__methaneQuery() [L338] int tmp ; [L341] COND FALSE !(\read(pumpRunning)) [L356] FCALL processEnvironment__wrappee__base() [L382] RET processEnvironment__wrappee__methaneQuery() [L318] RET processEnvironment() [L324] CALL __utac_acc__Specification5_spec__3() [L948] int tmp ; [L949] int tmp___0 ; [L953] CALL, EXPR getWaterLevel() [L175] int retValue_acc ; [L178] retValue_acc = waterLevel [L179] return (retValue_acc); [L953] RET, EXPR getWaterLevel() [L953] tmp = getWaterLevel() [L955] COND TRUE tmp != 2 [L957] CALL, EXPR isPumpRunning() [L433] int retValue_acc ; [L436] retValue_acc = pumpRunning [L437] return (retValue_acc); [L957] RET, EXPR isPumpRunning() [L957] tmp___0 = isPumpRunning() [L959] COND FALSE !(\read(tmp___0)) [L324] RET __utac_acc__Specification5_spec__3() [L550] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 507]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L104] int waterLevel = 1; [L105] int methaneLevelCritical = 0; [L193] int cleanupTimeShifts = 4; [L297] int pumpRunning = 0; [L298] int systemActive = 1; [L731] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L928] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L271] int retValue_acc ; [L272] int tmp ; [L276] FCALL select_helpers() [L277] FCALL select_features() [L278] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L278] RET, EXPR valid_product() [L278] tmp = valid_product() [L280] COND TRUE \read(tmp) [L282] FCALL setup() [L283] CALL runTest() [L264] CALL __utac_acc__Specification5_spec__1() [L933] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L264] RET __utac_acc__Specification5_spec__1() [L265] CALL test() [L498] int splverifierCounter ; [L499] int tmp ; [L500] int tmp___0 ; [L501] int tmp___1 ; [L502] int tmp___2 ; [L505] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L507] COND TRUE 1 [L509] COND TRUE splverifierCounter < 4 [L515] tmp = __VERIFIER_nondet_int() [L517] COND FALSE !(\read(tmp)) [L525] tmp___0 = __VERIFIER_nondet_int() [L527] COND FALSE !(\read(tmp___0)) [L535] tmp___2 = __VERIFIER_nondet_int() [L537] COND TRUE \read(tmp___2) [L550] CALL timeShift() [L307] CALL __utac_acc__Specification5_spec__2() [L942] CALL, EXPR isPumpRunning() [L433] int retValue_acc ; [L436] retValue_acc = pumpRunning [L437] return (retValue_acc); [L942] RET, EXPR isPumpRunning() [L942] switchedOnBeforeTS = isPumpRunning() [L307] RET __utac_acc__Specification5_spec__2() [L309] COND FALSE !(\read(pumpRunning)) [L316] COND TRUE \read(systemActive) [L318] CALL processEnvironment() [L364] int tmp ; [L367] COND FALSE !(\read(pumpRunning)) [L382] CALL processEnvironment__wrappee__methaneQuery() [L338] int tmp ; [L341] COND FALSE !(\read(pumpRunning)) [L356] FCALL processEnvironment__wrappee__base() [L382] RET processEnvironment__wrappee__methaneQuery() [L318] RET processEnvironment() [L324] CALL __utac_acc__Specification5_spec__3() [L948] int tmp ; [L949] int tmp___0 ; [L953] CALL, EXPR getWaterLevel() [L175] int retValue_acc ; [L178] retValue_acc = waterLevel [L179] return (retValue_acc); [L953] RET, EXPR getWaterLevel() [L953] tmp = getWaterLevel() [L955] COND TRUE tmp != 2 [L957] CALL, EXPR isPumpRunning() [L433] int retValue_acc ; [L436] retValue_acc = pumpRunning [L437] return (retValue_acc); [L957] RET, EXPR isPumpRunning() [L957] tmp___0 = isPumpRunning() [L959] COND FALSE !(\read(tmp___0)) [L324] RET __utac_acc__Specification5_spec__3() [L550] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-23 02:28:57,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf1e6a-1afa-4e69-8084-c39af73185e7/bin/uautomizer-QkZJyEgLgS/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)