./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7084fc-d922-4219-8980-d533cbced96a/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7084fc-d922-4219-8980-d533cbced96a/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7084fc-d922-4219-8980-d533cbced96a/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7084fc-d922-4219-8980-d533cbced96a/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7084fc-d922-4219-8980-d533cbced96a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7084fc-d922-4219-8980-d533cbced96a/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b18268074b12ff6db81668668ee2d33af663d931f7be534d8799200934e1992a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 22:29:48,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:29:48,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:29:48,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:29:48,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:29:48,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:29:48,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:29:48,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:29:48,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:29:48,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:29:48,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:29:48,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:29:48,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:29:48,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:29:48,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:29:48,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:29:48,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:29:48,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:29:48,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:29:48,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:29:48,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:29:48,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:29:48,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:29:48,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:29:48,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:29:48,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:29:48,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:29:48,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:29:48,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:29:48,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:29:48,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:29:48,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:29:48,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:29:48,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:29:48,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:29:48,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:29:48,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:29:48,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:29:48,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:29:48,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:29:48,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:29:48,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7084fc-d922-4219-8980-d533cbced96a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 22:29:48,164 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:29:48,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:29:48,164 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:29:48,165 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:29:48,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:29:48,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:29:48,166 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:29:48,166 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 22:29:48,166 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 22:29:48,166 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 22:29:48,166 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 22:29:48,166 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 22:29:48,167 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 22:29:48,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:29:48,167 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 22:29:48,167 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:29:48,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:29:48,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 22:29:48,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:29:48,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 22:29:48,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 22:29:48,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 22:29:48,168 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 22:29:48,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:29:48,168 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 22:29:48,169 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:29:48,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 22:29:48,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:29:48,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:29:48,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:29:48,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:29:48,171 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 22:29:48,171 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_ac7084fc-d922-4219-8980-d533cbced96a/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7084fc-d922-4219-8980-d533cbced96a/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b18268074b12ff6db81668668ee2d33af663d931f7be534d8799200934e1992a [2022-12-13 22:29:48,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:29:48,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:29:48,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:29:48,353 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:29:48,353 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:29:48,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7084fc-d922-4219-8980-d533cbced96a/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c [2022-12-13 22:29:50,965 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:29:51,124 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:29:51,125 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7084fc-d922-4219-8980-d533cbced96a/sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c [2022-12-13 22:29:51,132 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7084fc-d922-4219-8980-d533cbced96a/bin/uautomizer-uyxdKDjOR8/data/124b211d6/72572218bc394daaafdf15854e091ad7/FLAG82be252a3 [2022-12-13 22:29:51,142 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7084fc-d922-4219-8980-d533cbced96a/bin/uautomizer-uyxdKDjOR8/data/124b211d6/72572218bc394daaafdf15854e091ad7 [2022-12-13 22:29:51,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:29:51,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:29:51,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:29:51,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:29:51,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:29:51,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:29:51" (1/1) ... [2022-12-13 22:29:51,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa97272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:51, skipping insertion in model container [2022-12-13 22:29:51,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:29:51" (1/1) ... [2022-12-13 22:29:51,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:29:51,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:29:51,340 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_ac7084fc-d922-4219-8980-d533cbced96a/sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c[2897,2910] [2022-12-13 22:29:51,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:29:51,447 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:29:51,462 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_ac7084fc-d922-4219-8980-d533cbced96a/sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c[2897,2910] [2022-12-13 22:29:51,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:29:51,525 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:29:51,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:51 WrapperNode [2022-12-13 22:29:51,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:29:51,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:29:51,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:29:51,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:29:51,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:51" (1/1) ... [2022-12-13 22:29:51,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:51" (1/1) ... [2022-12-13 22:29:51,592 INFO L138 Inliner]: procedures = 60, calls = 109, calls flagged for inlining = 62, calls inlined = 182, statements flattened = 1244 [2022-12-13 22:29:51,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:29:51,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:29:51,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:29:51,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:29:51,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:51" (1/1) ... [2022-12-13 22:29:51,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:51" (1/1) ... [2022-12-13 22:29:51,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:51" (1/1) ... [2022-12-13 22:29:51,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:51" (1/1) ... [2022-12-13 22:29:51,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:51" (1/1) ... [2022-12-13 22:29:51,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:51" (1/1) ... [2022-12-13 22:29:51,635 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:51" (1/1) ... [2022-12-13 22:29:51,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:51" (1/1) ... [2022-12-13 22:29:51,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:29:51,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:29:51,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:29:51,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:29:51,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:51" (1/1) ... [2022-12-13 22:29:51,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:29:51,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7084fc-d922-4219-8980-d533cbced96a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:29:51,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7084fc-d922-4219-8980-d533cbced96a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:29:51,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7084fc-d922-4219-8980-d533cbced96a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 22:29:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:29:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:29:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:29:51,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:29:51,770 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:29:51,772 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:29:52,259 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:29:52,268 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:29:52,268 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 22:29:52,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:29:52 BoogieIcfgContainer [2022-12-13 22:29:52,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:29:52,272 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 22:29:52,272 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 22:29:52,276 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 22:29:52,276 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:29:52,277 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 10:29:51" (1/3) ... [2022-12-13 22:29:52,277 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@565a33af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:29:52, skipping insertion in model container [2022-12-13 22:29:52,278 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:29:52,278 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:51" (2/3) ... [2022-12-13 22:29:52,278 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@565a33af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:29:52, skipping insertion in model container [2022-12-13 22:29:52,278 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:29:52,278 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:29:52" (3/3) ... [2022-12-13 22:29:52,280 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product63.cil.c [2022-12-13 22:29:52,332 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 22:29:52,332 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 22:29:52,332 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 22:29:52,332 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 22:29:52,332 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 22:29:52,332 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 22:29:52,332 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 22:29:52,332 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 22:29:52,336 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 332 states, 331 states have (on average 1.350453172205438) internal successors, (447), 331 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:29:52,361 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 218 [2022-12-13 22:29:52,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:29:52,362 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:29:52,367 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:29:52,368 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:29:52,368 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 22:29:52,369 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 332 states, 331 states have (on average 1.350453172205438) internal successors, (447), 331 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:29:52,375 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 218 [2022-12-13 22:29:52,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:29:52,376 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:29:52,376 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:29:52,376 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:29:52,381 INFO L748 eck$LassoCheckResult]: Stem: 177#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 197#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~2#1, main_~tmp~2#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 22#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 289#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~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; 102#valid_product_returnLabel#1true main_#t~ret12#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 232#L305true assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 79#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 308#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 228#L164-2true [2022-12-13 22:29:52,381 INFO L750 eck$LassoCheckResult]: Loop: 228#L164-2true assume !false; 161#L165true assume test_~splverifierCounter~0#1 < 4; 103#L166true test_~tmp~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 325#L174true assume !(0 != test_~tmp~1#1); 296#L174-2true test_~tmp___0~1#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 95#L184true assume !(0 != test_~tmp___0~1#1); 257#L184-2true test_~tmp___2~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 274#L194true assume 0 != test_~tmp___2~0#1; 269#L200-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 300#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 262#__utac_acc__Specification5_spec__2_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 90#L336true assume !(0 != ~pumpRunning~0); 260#L336-2true assume !(0 != ~systemActive~0); 47#L343-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 233#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 156#L80true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 303#L80-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 234#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 228#L164-2true [2022-12-13 22:29:52,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:29:52,385 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-12-13 22:29:52,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:29:52,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284363518] [2022-12-13 22:29:52,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:29:52,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:29:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:29:52,474 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:29:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:29:52,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:29:52,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:29:52,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1501537388, now seen corresponding path program 1 times [2022-12-13 22:29:52,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:29:52,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429423395] [2022-12-13 22:29:52,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:29:52,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:29:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:29:52,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:29:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:29:52,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:29:52,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:29:52,530 INFO L85 PathProgramCache]: Analyzing trace with hash 162184981, now seen corresponding path program 1 times [2022-12-13 22:29:52,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:29:52,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892031275] [2022-12-13 22:29:52,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:29:52,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:29:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:52,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:29:52,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:29:52,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892031275] [2022-12-13 22:29:52,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892031275] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:29:52,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:29:52,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 22:29:52,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671432870] [2022-12-13 22:29:52,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:29:52,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:29:52,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:29:52,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:29:52,826 INFO L87 Difference]: Start difference. First operand has 332 states, 331 states have (on average 1.350453172205438) internal successors, (447), 331 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:29:52,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:29:52,938 INFO L93 Difference]: Finished difference Result 723 states and 954 transitions. [2022-12-13 22:29:52,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 723 states and 954 transitions. [2022-12-13 22:29:52,945 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 473 [2022-12-13 22:29:52,951 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 723 states to 693 states and 924 transitions. [2022-12-13 22:29:52,951 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 693 [2022-12-13 22:29:52,952 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 693 [2022-12-13 22:29:52,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 693 states and 924 transitions. [2022-12-13 22:29:52,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:29:52,955 INFO L218 hiAutomatonCegarLoop]: Abstraction has 693 states and 924 transitions. [2022-12-13 22:29:52,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states and 924 transitions. [2022-12-13 22:29:52,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 380. [2022-12-13 22:29:52,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 380 states have (on average 1.331578947368421) internal successors, (506), 379 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:29:52,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 506 transitions. [2022-12-13 22:29:52,989 INFO L240 hiAutomatonCegarLoop]: Abstraction has 380 states and 506 transitions. [2022-12-13 22:29:52,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 22:29:52,993 INFO L428 stractBuchiCegarLoop]: Abstraction has 380 states and 506 transitions. [2022-12-13 22:29:52,993 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 22:29:52,993 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 380 states and 506 transitions. [2022-12-13 22:29:52,995 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 260 [2022-12-13 22:29:52,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:29:52,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:29:52,996 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:29:52,996 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:29:52,996 INFO L748 eck$LassoCheckResult]: Stem: 1331#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1332#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~2#1, main_~tmp~2#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 1112#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1113#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~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; 1242#valid_product_returnLabel#1 main_#t~ret12#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 1243#L305 assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 1211#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1212#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1364#L164-2 [2022-12-13 22:29:52,996 INFO L750 eck$LassoCheckResult]: Loop: 1364#L164-2 assume !false; 1311#L165 assume test_~splverifierCounter~0#1 < 4; 1244#L166 test_~tmp~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 1245#L174 assume !(0 != test_~tmp~1#1); 1359#L174-2 test_~tmp___0~1#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 1232#L184 assume !(0 != test_~tmp___0~1#1); 1234#L184-2 test_~tmp___2~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 1374#L194 assume 0 != test_~tmp___2~0#1; 1265#L200-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 1380#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 1378#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1225#L336 assume !(0 != ~pumpRunning~0); 1226#L336-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1340#L420 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret17#1, isMethaneAlarm_~retValue_acc~3#1;havoc isMethaneAlarm_~retValue_acc~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 1342#isMethaneLevelCritical_returnLabel#1 isMethaneAlarm_#t~ret17#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~3#1 := isMethaneAlarm_#t~ret17#1;havoc isMethaneAlarm_#t~ret17#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; 1388#isMethaneAlarm_returnLabel#1 processEnvironment_#t~ret15#1 := isMethaneAlarm_#res#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret15#1;havoc processEnvironment_#t~ret15#1; 1385#L424 assume 0 != processEnvironment_~tmp~5#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 1207#deactivatePump_returnLabel#2 assume { :end_inline_deactivatePump } true; 1167#L420-1 assume { :end_inline_processEnvironment } true; 1160#L343-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 1161#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 1305#L80 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 1137#L80-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1365#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1364#L164-2 [2022-12-13 22:29:52,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:29:52,997 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-12-13 22:29:52,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:29:52,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919043515] [2022-12-13 22:29:52,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:29:52,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:29:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:29:53,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:29:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:29:53,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:29:53,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:29:53,010 INFO L85 PathProgramCache]: Analyzing trace with hash 253380821, now seen corresponding path program 1 times [2022-12-13 22:29:53,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:29:53,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297077284] [2022-12-13 22:29:53,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:29:53,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:29:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:53,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:29:53,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:29:53,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297077284] [2022-12-13 22:29:53,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297077284] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:29:53,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:29:53,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:29:53,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176644872] [2022-12-13 22:29:53,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:29:53,027 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 22:29:53,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:29:53,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:29:53,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:29:53,028 INFO L87 Difference]: Start difference. First operand 380 states and 506 transitions. cyclomatic complexity: 129 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:29:53,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:29:53,116 INFO L93 Difference]: Finished difference Result 391 states and 494 transitions. [2022-12-13 22:29:53,116 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 391 states and 494 transitions. [2022-12-13 22:29:53,120 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 273 [2022-12-13 22:29:53,121 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 391 states to 391 states and 494 transitions. [2022-12-13 22:29:53,122 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 391 [2022-12-13 22:29:53,122 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 391 [2022-12-13 22:29:53,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 391 states and 494 transitions. [2022-12-13 22:29:53,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:29:53,123 INFO L218 hiAutomatonCegarLoop]: Abstraction has 391 states and 494 transitions. [2022-12-13 22:29:53,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states and 494 transitions. [2022-12-13 22:29:53,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2022-12-13 22:29:53,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 391 states have (on average 1.2634271099744245) internal successors, (494), 390 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:29:53,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 494 transitions. [2022-12-13 22:29:53,131 INFO L240 hiAutomatonCegarLoop]: Abstraction has 391 states and 494 transitions. [2022-12-13 22:29:53,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:29:53,132 INFO L428 stractBuchiCegarLoop]: Abstraction has 391 states and 494 transitions. [2022-12-13 22:29:53,132 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 22:29:53,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 391 states and 494 transitions. [2022-12-13 22:29:53,134 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 273 [2022-12-13 22:29:53,134 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:29:53,134 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:29:53,134 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:29:53,134 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:29:53,135 INFO L748 eck$LassoCheckResult]: Stem: 2055#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 2056#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~2#1, main_~tmp~2#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 1873#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1874#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~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; 1980#valid_product_returnLabel#1 main_#t~ret12#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 1981#L305 assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 1952#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1953#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2086#L164-2 [2022-12-13 22:29:53,135 INFO L750 eck$LassoCheckResult]: Loop: 2086#L164-2 assume !false; 2036#L165 assume test_~splverifierCounter~0#1 < 4; 2037#L166 test_~tmp~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 2227#L174 assume !(0 != test_~tmp~1#1); 2225#L174-2 test_~tmp___0~1#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 1971#L184 assume !(0 != test_~tmp___0~1#1); 1973#L184-2 test_~tmp___2~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 2096#L194 assume 0 != test_~tmp___2~0#1; 1999#L200-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 2116#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 2117#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1964#L336 assume !(0 != ~pumpRunning~0); 1965#L336-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 2064#L420 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret14#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 2065#L394-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 2106#L368-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret26#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~5#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~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1; 2070#L667-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; 2071#isHighWaterSensorDry_returnLabel#4 isHighWaterLevel_#t~ret26#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret26#1;havoc isHighWaterLevel_#t~ret26#1; 1893#L539-9 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1894#L539-11 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 2021#isHighWaterLevel_returnLabel#4 processEnvironment__wrappee__highWaterSensor_#t~ret13#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret13#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1; 2073#L372-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2002#processEnvironment__wrappee__base_returnLabel#7 assume { :end_inline_processEnvironment__wrappee__base } true; 1916#L368-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1917#L394-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1915#L420-1 assume { :end_inline_processEnvironment } true; 1909#L343-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 1910#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 2032#L80 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 1892#L80-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2087#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 2086#L164-2 [2022-12-13 22:29:53,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:29:53,136 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-12-13 22:29:53,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:29:53,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324630456] [2022-12-13 22:29:53,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:29:53,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:29:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:29:53,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:29:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:29:53,147 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:29:53,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:29:53,148 INFO L85 PathProgramCache]: Analyzing trace with hash 391917419, now seen corresponding path program 1 times [2022-12-13 22:29:53,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:29:53,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831865513] [2022-12-13 22:29:53,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:29:53,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:29:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:53,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:29:53,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:29:53,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831865513] [2022-12-13 22:29:53,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831865513] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:29:53,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:29:53,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 22:29:53,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841469779] [2022-12-13 22:29:53,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:29:53,194 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 22:29:53,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:29:53,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:29:53,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:29:53,195 INFO L87 Difference]: Start difference. First operand 391 states and 494 transitions. cyclomatic complexity: 106 Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 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) [2022-12-13 22:29:53,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:29:53,338 INFO L93 Difference]: Finished difference Result 1138 states and 1409 transitions. [2022-12-13 22:29:53,338 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1138 states and 1409 transitions. [2022-12-13 22:29:53,343 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 733 [2022-12-13 22:29:53,346 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1138 states to 1138 states and 1409 transitions. [2022-12-13 22:29:53,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1138 [2022-12-13 22:29:53,347 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1138 [2022-12-13 22:29:53,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1138 states and 1409 transitions. [2022-12-13 22:29:53,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:29:53,348 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1138 states and 1409 transitions. [2022-12-13 22:29:53,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states and 1409 transitions. [2022-12-13 22:29:53,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 771. [2022-12-13 22:29:53,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 771 states have (on average 1.2399481193255513) internal successors, (956), 770 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:29:53,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 956 transitions. [2022-12-13 22:29:53,362 INFO L240 hiAutomatonCegarLoop]: Abstraction has 771 states and 956 transitions. [2022-12-13 22:29:53,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 22:29:53,363 INFO L428 stractBuchiCegarLoop]: Abstraction has 771 states and 956 transitions. [2022-12-13 22:29:53,363 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 22:29:53,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 771 states and 956 transitions. [2022-12-13 22:29:53,366 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 543 [2022-12-13 22:29:53,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:29:53,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:29:53,366 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:29:53,366 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:29:53,367 INFO L748 eck$LassoCheckResult]: Stem: 3603#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 3604#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~2#1, main_~tmp~2#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 3417#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3418#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~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; 3528#valid_product_returnLabel#1 main_#t~ret12#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 3529#L305 assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 3499#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 3500#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 3637#L164-2 [2022-12-13 22:29:53,367 INFO L750 eck$LassoCheckResult]: Loop: 3637#L164-2 assume !false; 3638#L165 assume test_~splverifierCounter~0#1 < 4; 4127#L166 test_~tmp~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 4126#L174 assume !(0 != test_~tmp~1#1); 3680#L174-2 test_~tmp___0~1#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 3518#L184 assume !(0 != test_~tmp___0~1#1); 3520#L184-2 test_~tmp___2~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 3653#L194 assume 0 != test_~tmp___2~0#1; 3664#L200-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 3665#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 4160#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 3511#L336 assume !(0 != ~pumpRunning~0); 3512#L336-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 3612#L420 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret14#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 3613#L394-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 3667#L368-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret26#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~5#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~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1; 3618#L667-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; 3619#isHighWaterSensorDry_returnLabel#4 isHighWaterLevel_#t~ret26#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret26#1;havoc isHighWaterLevel_#t~ret26#1; 3438#L539-9 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~2#1 := 0; 3439#L539-11 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 3569#isHighWaterLevel_returnLabel#4 processEnvironment__wrappee__highWaterSensor_#t~ret13#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret13#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1; 3621#L372-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 3694#processEnvironment__wrappee__base_returnLabel#7 assume { :end_inline_processEnvironment__wrappee__base } true; 4107#L368-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 4105#L394-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 3461#L420-1 assume { :end_inline_processEnvironment } true; 3454#L343-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 3455#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 3580#L80 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 3581#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret6#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 3559#L84 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 3437#L80-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 3641#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 3637#L164-2 [2022-12-13 22:29:53,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:29:53,367 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2022-12-13 22:29:53,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:29:53,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345043218] [2022-12-13 22:29:53,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:29:53,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:29:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:29:53,375 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:29:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:29:53,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:29:53,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:29:53,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1343573178, now seen corresponding path program 1 times [2022-12-13 22:29:53,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:29:53,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970079471] [2022-12-13 22:29:53,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:29:53,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:29:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:29:53,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:29:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:29:53,392 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:29:53,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:29:53,393 INFO L85 PathProgramCache]: Analyzing trace with hash -30158467, now seen corresponding path program 1 times [2022-12-13 22:29:53,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:29:53,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590614005] [2022-12-13 22:29:53,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:29:53,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:29:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:29:53,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:29:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:29:53,414 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:29:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:29:54,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:29:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:29:54,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 10:29:54 BoogieIcfgContainer [2022-12-13 22:29:54,265 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 22:29:54,266 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:29:54,266 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:29:54,266 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:29:54,266 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:29:52" (3/4) ... [2022-12-13 22:29:54,269 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 22:29:54,311 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7084fc-d922-4219-8980-d533cbced96a/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 22:29:54,312 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:29:54,312 INFO L158 Benchmark]: Toolchain (without parser) took 3166.53ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 106.9MB in the beginning and 69.2MB in the end (delta: 37.8MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2022-12-13 22:29:54,312 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 144.7MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:29:54,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.91ms. Allocated memory is still 144.7MB. Free memory was 106.9MB in the beginning and 88.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 22:29:54,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.71ms. Allocated memory is still 144.7MB. Free memory was 88.1MB in the beginning and 82.6MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 22:29:54,313 INFO L158 Benchmark]: Boogie Preprocessor took 50.31ms. Allocated memory is still 144.7MB. Free memory was 82.6MB in the beginning and 79.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 22:29:54,314 INFO L158 Benchmark]: RCFGBuilder took 626.71ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 79.0MB in the beginning and 131.0MB in the end (delta: -52.0MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2022-12-13 22:29:54,314 INFO L158 Benchmark]: BuchiAutomizer took 1993.33ms. Allocated memory is still 174.1MB. Free memory was 131.0MB in the beginning and 72.3MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-12-13 22:29:54,314 INFO L158 Benchmark]: Witness Printer took 45.91ms. Allocated memory is still 174.1MB. Free memory was 72.3MB in the beginning and 69.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:29:54,316 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 144.7MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.91ms. Allocated memory is still 144.7MB. Free memory was 106.9MB in the beginning and 88.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.71ms. Allocated memory is still 144.7MB. Free memory was 88.1MB in the beginning and 82.6MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.31ms. Allocated memory is still 144.7MB. Free memory was 82.6MB in the beginning and 79.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 626.71ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 79.0MB in the beginning and 131.0MB in the end (delta: -52.0MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1993.33ms. Allocated memory is still 174.1MB. Free memory was 131.0MB in the beginning and 72.3MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 45.91ms. Allocated memory is still 174.1MB. Free memory was 72.3MB in the beginning and 69.2MB 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 771 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 680 StatesRemovedByMinimization, 2 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, 3523 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3523 mSDsluCounter, 4075 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2803 mSDsCounter, 79 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 201 IncrementalHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 79 mSolverCounterUnsat, 1272 mSDtfsCounter, 201 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 164]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L53] int switchedOnBeforeTS ; [L221] int cleanupTimeShifts = 4; [L326] int pumpRunning = 0; [L327] int systemActive = 1; [L584] int waterLevel = 1; [L585] int methaneLevelCritical = 0; [L856] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L296] int retValue_acc ; [L297] int tmp ; [L301] FCALL select_helpers() [L302] FCALL select_features() [L303] CALL, EXPR valid_product() [L131] int retValue_acc ; [L134] retValue_acc = 1 [L135] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L303] RET, EXPR valid_product() [L303] tmp = valid_product() [L305] COND TRUE \read(tmp) [L307] FCALL setup() [L308] CALL runTest() [L289] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L289] RET __utac_acc__Specification5_spec__1() [L290] CALL test() [L155] int splverifierCounter ; [L156] int tmp ; [L157] int tmp___0 ; [L158] int tmp___1 ; [L159] int tmp___2 ; [L162] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L164] COND TRUE 1 [L166] COND TRUE splverifierCounter < 4 [L172] tmp = __VERIFIER_nondet_int() [L174] COND FALSE !(\read(tmp)) [L182] tmp___0 = __VERIFIER_nondet_int() [L184] COND FALSE !(\read(tmp___0)) [L192] tmp___2 = __VERIFIER_nondet_int() [L194] COND TRUE \read(tmp___2) [L209] CALL timeShift() [L334] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L486] int retValue_acc ; [L489] retValue_acc = pumpRunning [L490] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L334] RET __utac_acc__Specification5_spec__2() [L336] COND FALSE !(\read(pumpRunning)) [L343] COND TRUE \read(systemActive) [L345] CALL processEnvironment() [L417] int tmp ; [L420] COND FALSE !(\read(pumpRunning)) [L435] CALL processEnvironment__wrappee__methaneQuery() [L391] int tmp ; [L394] COND FALSE !(\read(pumpRunning)) [L409] CALL processEnvironment__wrappee__highWaterSensor() [L365] int tmp ; [L368] COND TRUE ! pumpRunning [L370] CALL, EXPR isHighWaterLevel() [L531] int retValue_acc ; [L532] int tmp ; [L533] int tmp___0 ; [L537] CALL, EXPR isHighWaterSensorDry() [L664] int retValue_acc ; [L667] COND TRUE waterLevel < 2 [L668] retValue_acc = 1 [L669] return (retValue_acc); [L537] RET, EXPR isHighWaterSensorDry() [L537] tmp = isHighWaterSensorDry() [L539] COND TRUE \read(tmp) [L540] tmp___0 = 0 [L544] retValue_acc = tmp___0 [L545] return (retValue_acc); [L370] RET, EXPR isHighWaterLevel() [L370] tmp = isHighWaterLevel() [L372] COND FALSE !(\read(tmp)) [L378] FCALL processEnvironment__wrappee__base() [L409] RET processEnvironment__wrappee__highWaterSensor() [L435] RET processEnvironment__wrappee__methaneQuery() [L345] RET processEnvironment() [L351] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L655] int retValue_acc ; [L658] retValue_acc = waterLevel [L659] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L486] int retValue_acc ; [L489] retValue_acc = pumpRunning [L490] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L351] RET __utac_acc__Specification5_spec__3() [L209] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 164]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L53] int switchedOnBeforeTS ; [L221] int cleanupTimeShifts = 4; [L326] int pumpRunning = 0; [L327] int systemActive = 1; [L584] int waterLevel = 1; [L585] int methaneLevelCritical = 0; [L856] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L296] int retValue_acc ; [L297] int tmp ; [L301] FCALL select_helpers() [L302] FCALL select_features() [L303] CALL, EXPR valid_product() [L131] int retValue_acc ; [L134] retValue_acc = 1 [L135] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L303] RET, EXPR valid_product() [L303] tmp = valid_product() [L305] COND TRUE \read(tmp) [L307] FCALL setup() [L308] CALL runTest() [L289] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L289] RET __utac_acc__Specification5_spec__1() [L290] CALL test() [L155] int splverifierCounter ; [L156] int tmp ; [L157] int tmp___0 ; [L158] int tmp___1 ; [L159] int tmp___2 ; [L162] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L164] COND TRUE 1 [L166] COND TRUE splverifierCounter < 4 [L172] tmp = __VERIFIER_nondet_int() [L174] COND FALSE !(\read(tmp)) [L182] tmp___0 = __VERIFIER_nondet_int() [L184] COND FALSE !(\read(tmp___0)) [L192] tmp___2 = __VERIFIER_nondet_int() [L194] COND TRUE \read(tmp___2) [L209] CALL timeShift() [L334] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L486] int retValue_acc ; [L489] retValue_acc = pumpRunning [L490] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L334] RET __utac_acc__Specification5_spec__2() [L336] COND FALSE !(\read(pumpRunning)) [L343] COND TRUE \read(systemActive) [L345] CALL processEnvironment() [L417] int tmp ; [L420] COND FALSE !(\read(pumpRunning)) [L435] CALL processEnvironment__wrappee__methaneQuery() [L391] int tmp ; [L394] COND FALSE !(\read(pumpRunning)) [L409] CALL processEnvironment__wrappee__highWaterSensor() [L365] int tmp ; [L368] COND TRUE ! pumpRunning [L370] CALL, EXPR isHighWaterLevel() [L531] int retValue_acc ; [L532] int tmp ; [L533] int tmp___0 ; [L537] CALL, EXPR isHighWaterSensorDry() [L664] int retValue_acc ; [L667] COND TRUE waterLevel < 2 [L668] retValue_acc = 1 [L669] return (retValue_acc); [L537] RET, EXPR isHighWaterSensorDry() [L537] tmp = isHighWaterSensorDry() [L539] COND TRUE \read(tmp) [L540] tmp___0 = 0 [L544] retValue_acc = tmp___0 [L545] return (retValue_acc); [L370] RET, EXPR isHighWaterLevel() [L370] tmp = isHighWaterLevel() [L372] COND FALSE !(\read(tmp)) [L378] FCALL processEnvironment__wrappee__base() [L409] RET processEnvironment__wrappee__highWaterSensor() [L435] RET processEnvironment__wrappee__methaneQuery() [L345] RET processEnvironment() [L351] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L655] int retValue_acc ; [L658] retValue_acc = waterLevel [L659] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L486] int retValue_acc ; [L489] retValue_acc = pumpRunning [L490] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L351] RET __utac_acc__Specification5_spec__3() [L209] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 22:29:54,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac7084fc-d922-4219-8980-d533cbced96a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)