./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a 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_848140d7-382b-4961-902f-c29147c55d1f/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848140d7-382b-4961-902f-c29147c55d1f/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848140d7-382b-4961-902f-c29147c55d1f/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848140d7-382b-4961-902f-c29147c55d1f/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848140d7-382b-4961-902f-c29147c55d1f/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848140d7-382b-4961-902f-c29147c55d1f/bin/uautomizer-Dbtcem3rbc --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 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 --- 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-5e519f3 [2022-11-02 21:11:24,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:11:24,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:11:24,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:11:24,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:11:24,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:11:24,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:11:24,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:11:24,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:11:24,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:11:24,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:11:24,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:11:24,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:11:24,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:11:24,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:11:24,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:11:24,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:11:24,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:11:24,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:11:24,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:11:24,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:11:24,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:11:24,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:11:24,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:11:24,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:11:24,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:11:24,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:11:24,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:11:24,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:11:24,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:11:24,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:11:24,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:11:24,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:11:24,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:11:24,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:11:24,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:11:24,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:11:24,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:11:24,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:11:24,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:11:24,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:11:24,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848140d7-382b-4961-902f-c29147c55d1f/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 21:11:24,204 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:11:24,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:11:24,208 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:11:24,208 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:11:24,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:11:24,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:11:24,210 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:11:24,210 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 21:11:24,210 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 21:11:24,210 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 21:11:24,211 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 21:11:24,212 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 21:11:24,212 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 21:11:24,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:11:24,212 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:11:24,213 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:11:24,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:11:24,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:11:24,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:11:24,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 21:11:24,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 21:11:24,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 21:11:24,214 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:11:24,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:11:24,214 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 21:11:24,215 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:11:24,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 21:11:24,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:11:24,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:11:24,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:11:24,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:11:24,217 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 21:11:24,217 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_848140d7-382b-4961-902f-c29147c55d1f/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848140d7-382b-4961-902f-c29147c55d1f/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 [2022-11-02 21:11:24,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:11:24,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:11:24,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:11:24,521 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:11:24,522 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:11:24,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848140d7-382b-4961-902f-c29147c55d1f/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2022-11-02 21:11:24,606 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848140d7-382b-4961-902f-c29147c55d1f/bin/uautomizer-Dbtcem3rbc/data/ca6797f52/f1f9420bee4d40bab188cd0f3b1e0401/FLAG9449cd1c5 [2022-11-02 21:11:25,208 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:11:25,208 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848140d7-382b-4961-902f-c29147c55d1f/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2022-11-02 21:11:25,225 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848140d7-382b-4961-902f-c29147c55d1f/bin/uautomizer-Dbtcem3rbc/data/ca6797f52/f1f9420bee4d40bab188cd0f3b1e0401/FLAG9449cd1c5 [2022-11-02 21:11:25,454 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848140d7-382b-4961-902f-c29147c55d1f/bin/uautomizer-Dbtcem3rbc/data/ca6797f52/f1f9420bee4d40bab188cd0f3b1e0401 [2022-11-02 21:11:25,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:11:25,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:11:25,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:11:25,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:11:25,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:11:25,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:11:25" (1/1) ... [2022-11-02 21:11:25,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5018df69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:25, skipping insertion in model container [2022-11-02 21:11:25,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:11:25" (1/1) ... [2022-11-02 21:11:25,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:11:25,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:11:25,828 WARN L230 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_848140d7-382b-4961-902f-c29147c55d1f/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[9171,9184] [2022-11-02 21:11:25,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:11:25,938 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:11:26,004 WARN L230 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_848140d7-382b-4961-902f-c29147c55d1f/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[9171,9184] [2022-11-02 21:11:26,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:11:26,050 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:11:26,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:26 WrapperNode [2022-11-02 21:11:26,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:11:26,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:11:26,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:11:26,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:11:26,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:26" (1/1) ... [2022-11-02 21:11:26,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:26" (1/1) ... [2022-11-02 21:11:26,136 INFO L138 Inliner]: procedures = 57, calls = 158, calls flagged for inlining = 55, calls inlined = 97, statements flattened = 732 [2022-11-02 21:11:26,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:11:26,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:11:26,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:11:26,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:11:26,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:26" (1/1) ... [2022-11-02 21:11:26,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:26" (1/1) ... [2022-11-02 21:11:26,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:26" (1/1) ... [2022-11-02 21:11:26,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:26" (1/1) ... [2022-11-02 21:11:26,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:26" (1/1) ... [2022-11-02 21:11:26,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:26" (1/1) ... [2022-11-02 21:11:26,201 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:26" (1/1) ... [2022-11-02 21:11:26,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:26" (1/1) ... [2022-11-02 21:11:26,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:11:26,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:11:26,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:11:26,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:11:26,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:26" (1/1) ... [2022-11-02 21:11:26,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:11:26,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848140d7-382b-4961-902f-c29147c55d1f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:26,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848140d7-382b-4961-902f-c29147c55d1f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:11:26,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848140d7-382b-4961-902f-c29147c55d1f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 21:11:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:11:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:11:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:11:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:11:26,439 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:11:26,442 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:11:27,165 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:11:27,178 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:11:27,178 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 21:11:27,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:11:27 BoogieIcfgContainer [2022-11-02 21:11:27,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:11:27,182 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 21:11:27,182 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 21:11:27,187 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 21:11:27,188 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:11:27,188 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 09:11:25" (1/3) ... [2022-11-02 21:11:27,189 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@97d6e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:11:27, skipping insertion in model container [2022-11-02 21:11:27,190 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:11:27,190 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:11:26" (2/3) ... [2022-11-02 21:11:27,190 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@97d6e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:11:27, skipping insertion in model container [2022-11-02 21:11:27,190 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:11:27,190 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:11:27" (3/3) ... [2022-11-02 21:11:27,191 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2022-11-02 21:11:27,249 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 21:11:27,249 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 21:11:27,250 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 21:11:27,250 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 21:11:27,250 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 21:11:27,250 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 21:11:27,250 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 21:11:27,250 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 21:11:27,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 190 states, 189 states have (on average 1.3597883597883598) internal successors, (257), 189 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:27,291 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2022-11-02 21:11:27,291 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:11:27,291 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:11:27,301 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:27,301 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:27,302 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 21:11:27,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 190 states, 189 states have (on average 1.3597883597883598) internal successors, (257), 189 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:27,311 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2022-11-02 21:11:27,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:11:27,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:11:27,318 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:27,320 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:27,332 INFO L748 eck$LassoCheckResult]: Stem: 172#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 56#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret25#1, main_~retValue_acc~6#1, main_~tmp~7#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 83#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 180#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 34#L83true main_#t~ret25#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret25#1;havoc main_#t~ret25#1; 66#L509true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 139#L486true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#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; 118#L132-2true [2022-11-02 21:11:27,334 INFO L750 eck$LassoCheckResult]: Loop: 118#L132-2true assume !false; 161#L133true assume test_~splverifierCounter~0#1 < 4; 174#L134true test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 144#L142true assume !(0 != test_~tmp~1#1); 138#L142-2true test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 43#L152true assume !(0 != test_~tmp___0~1#1); 120#L152-2true test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 45#L162true assume 0 != test_~tmp___2~0#1; 10#L168-2true assume { :begin_inline_timeShift } true; 154#L204true assume !(0 != ~pumpRunning~0); 140#L204-2true assume !(0 != ~systemActive~0); 155#L211-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~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; 168#L598true __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 156#L99true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 65#L99-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 121#L221true assume { :end_inline_timeShift } true; 118#L132-2true [2022-11-02 21:11:27,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:27,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-02 21:11:27,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:27,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325654019] [2022-11-02 21:11:27,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:27,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:27,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:11:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:27,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:11:27,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:27,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1086892900, now seen corresponding path program 1 times [2022-11-02 21:11:27,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:27,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857346014] [2022-11-02 21:11:27,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:27,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:27,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:11:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:27,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:11:27,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:27,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1852655320, now seen corresponding path program 1 times [2022-11-02 21:11:27,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:27,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828040500] [2022-11-02 21:11:27,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:27,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:28,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:28,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:28,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828040500] [2022-11-02 21:11:28,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828040500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:28,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:28,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:11:28,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790934964] [2022-11-02 21:11:28,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:28,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:28,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:11:28,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:11:28,235 INFO L87 Difference]: Start difference. First operand has 190 states, 189 states have (on average 1.3597883597883598) internal successors, (257), 189 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:28,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:11:28,422 INFO L93 Difference]: Finished difference Result 431 states and 563 transitions. [2022-11-02 21:11:28,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 431 states and 563 transitions. [2022-11-02 21:11:28,438 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 279 [2022-11-02 21:11:28,455 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 431 states to 401 states and 533 transitions. [2022-11-02 21:11:28,460 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 401 [2022-11-02 21:11:28,462 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 401 [2022-11-02 21:11:28,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 401 states and 533 transitions. [2022-11-02 21:11:28,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:11:28,470 INFO L218 hiAutomatonCegarLoop]: Abstraction has 401 states and 533 transitions. [2022-11-02 21:11:28,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states and 533 transitions. [2022-11-02 21:11:28,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 229. [2022-11-02 21:11:28,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 229 states have (on average 1.3275109170305677) internal successors, (304), 228 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:28,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 304 transitions. [2022-11-02 21:11:28,533 INFO L240 hiAutomatonCegarLoop]: Abstraction has 229 states and 304 transitions. [2022-11-02 21:11:28,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:11:28,538 INFO L428 stractBuchiCegarLoop]: Abstraction has 229 states and 304 transitions. [2022-11-02 21:11:28,538 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 21:11:28,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 229 states and 304 transitions. [2022-11-02 21:11:28,548 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 160 [2022-11-02 21:11:28,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:11:28,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:11:28,550 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:28,550 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] [2022-11-02 21:11:28,551 INFO L748 eck$LassoCheckResult]: Stem: 816#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 734#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret25#1, main_~retValue_acc~6#1, main_~tmp~7#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 735#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 765#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 698#L83 main_#t~ret25#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret25#1;havoc main_#t~ret25#1; 699#L509 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 747#L486 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#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; 792#L132-2 [2022-11-02 21:11:28,551 INFO L750 eck$LassoCheckResult]: Loop: 792#L132-2 assume !false; 793#L133 assume test_~splverifierCounter~0#1 < 4; 813#L134 test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 805#L142 assume !(0 != test_~tmp~1#1); 678#L142-2 test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 712#L152 assume !(0 != test_~tmp___0~1#1); 714#L152-2 test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 717#L162 assume 0 != test_~tmp___2~0#1; 648#L168-2 assume { :begin_inline_timeShift } true; 652#L204 assume !(0 != ~pumpRunning~0); 791#L204-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 759#L262 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 761#L236-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 763#L228-3 assume { :end_inline_processEnvironment__wrappee__base } true; 694#L236-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 695#L262-1 assume { :end_inline_processEnvironment } true; 703#L211-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~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; 809#L598 __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 810#L99 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 745#L99-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 746#L221 assume { :end_inline_timeShift } true; 792#L132-2 [2022-11-02 21:11:28,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:28,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-02 21:11:28,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:28,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770946878] [2022-11-02 21:11:28,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:28,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:28,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:11:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:28,598 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:11:28,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:28,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1122654490, now seen corresponding path program 1 times [2022-11-02 21:11:28,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:28,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074387913] [2022-11-02 21:11:28,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:28,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:28,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:28,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:28,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074387913] [2022-11-02 21:11:28,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074387913] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:28,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:28,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:11:28,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420833381] [2022-11-02 21:11:28,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:28,644 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 21:11:28,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:28,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:11:28,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:11:28,646 INFO L87 Difference]: Start difference. First operand 229 states and 304 transitions. cyclomatic complexity: 78 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:28,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:11:28,751 INFO L93 Difference]: Finished difference Result 285 states and 361 transitions. [2022-11-02 21:11:28,752 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 285 states and 361 transitions. [2022-11-02 21:11:28,763 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 203 [2022-11-02 21:11:28,764 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 285 states to 285 states and 361 transitions. [2022-11-02 21:11:28,766 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 285 [2022-11-02 21:11:28,766 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 285 [2022-11-02 21:11:28,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 285 states and 361 transitions. [2022-11-02 21:11:28,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:11:28,768 INFO L218 hiAutomatonCegarLoop]: Abstraction has 285 states and 361 transitions. [2022-11-02 21:11:28,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states and 361 transitions. [2022-11-02 21:11:28,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2022-11-02 21:11:28,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 285 states have (on average 1.2666666666666666) internal successors, (361), 284 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:28,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 361 transitions. [2022-11-02 21:11:28,792 INFO L240 hiAutomatonCegarLoop]: Abstraction has 285 states and 361 transitions. [2022-11-02 21:11:28,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:11:28,793 INFO L428 stractBuchiCegarLoop]: Abstraction has 285 states and 361 transitions. [2022-11-02 21:11:28,793 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 21:11:28,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 285 states and 361 transitions. [2022-11-02 21:11:28,796 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 203 [2022-11-02 21:11:28,797 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:11:28,797 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:11:28,799 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:28,799 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] [2022-11-02 21:11:28,800 INFO L748 eck$LassoCheckResult]: Stem: 1342#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1254#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret25#1, main_~retValue_acc~6#1, main_~tmp~7#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 1255#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1287#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1216#L83 main_#t~ret25#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret25#1;havoc main_#t~ret25#1; 1217#L509 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 1268#L486 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#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; 1314#L132-2 [2022-11-02 21:11:28,800 INFO L750 eck$LassoCheckResult]: Loop: 1314#L132-2 assume !false; 1407#L133 assume test_~splverifierCounter~0#1 < 4; 1344#L134 test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 1327#L142 assume !(0 != test_~tmp~1#1); 1196#L142-2 test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 1230#L152 assume !(0 != test_~tmp___0~1#1); 1232#L152-2 test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 1237#L162 assume 0 != test_~tmp___2~0#1; 1168#L168-2 assume { :begin_inline_timeShift } true; 1172#L204 assume !(0 != ~pumpRunning~0); 1324#L204-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 1279#L262 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 1280#L236-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret23#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~4#1;havoc isHighWaterLevel_~tmp~5#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; 1283#L606-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; 1319#L611-1 isHighWaterLevel_#t~ret23#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret23#1;havoc isHighWaterLevel_#t~ret23#1; 1233#L382-3 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1234#L382-5 isHighWaterLevel_~retValue_acc~4#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; 1303#L388-1 processEnvironment__wrappee__highWaterSensor_#t~ret11#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret11#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1; 1199#L240-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1201#L228-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1214#L236-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1215#L262-1 assume { :end_inline_processEnvironment } true; 1221#L211-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~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; 1334#L598 __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 1335#L99 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 1265#L99-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1266#L221 assume { :end_inline_timeShift } true; 1314#L132-2 [2022-11-02 21:11:28,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:28,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-11-02 21:11:28,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:28,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644953484] [2022-11-02 21:11:28,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:28,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:28,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:11:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:28,836 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:11:28,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:28,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1041206770, now seen corresponding path program 1 times [2022-11-02 21:11:28,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:28,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189092274] [2022-11-02 21:11:28,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:28,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:28,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:11:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:28,869 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:11:28,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:28,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1416494510, now seen corresponding path program 1 times [2022-11-02 21:11:28,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:28,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301121057] [2022-11-02 21:11:28,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:28,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:28,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:11:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:28,934 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:11:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:32,939 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:11:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:11:32,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 09:11:32 BoogieIcfgContainer [2022-11-02 21:11:32,998 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 21:11:32,999 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:11:32,999 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:11:33,000 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:11:33,000 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:11:27" (3/4) ... [2022-11-02 21:11:33,003 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-02 21:11:33,060 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848140d7-382b-4961-902f-c29147c55d1f/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 21:11:33,060 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:11:33,061 INFO L158 Benchmark]: Toolchain (without parser) took 7602.74ms. Allocated memory was 90.2MB in the beginning and 155.2MB in the end (delta: 65.0MB). Free memory was 50.9MB in the beginning and 100.5MB in the end (delta: -49.5MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-11-02 21:11:33,061 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:11:33,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.47ms. Allocated memory is still 90.2MB. Free memory was 50.7MB in the beginning and 58.9MB in the end (delta: -8.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 21:11:33,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.00ms. Allocated memory is still 90.2MB. Free memory was 58.9MB in the beginning and 55.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:11:33,063 INFO L158 Benchmark]: Boogie Preprocessor took 74.27ms. Allocated memory is still 90.2MB. Free memory was 55.0MB in the beginning and 52.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:11:33,063 INFO L158 Benchmark]: RCFGBuilder took 969.60ms. Allocated memory is still 90.2MB. Free memory was 52.2MB in the beginning and 55.7MB in the end (delta: -3.5MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2022-11-02 21:11:33,064 INFO L158 Benchmark]: BuchiAutomizer took 5816.37ms. Allocated memory was 90.2MB in the beginning and 155.2MB in the end (delta: 65.0MB). Free memory was 55.7MB in the beginning and 103.5MB in the end (delta: -47.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-11-02 21:11:33,064 INFO L158 Benchmark]: Witness Printer took 61.37ms. Allocated memory is still 155.2MB. Free memory was 103.5MB in the beginning and 100.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:11:33,066 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 591.47ms. Allocated memory is still 90.2MB. Free memory was 50.7MB in the beginning and 58.9MB in the end (delta: -8.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.00ms. Allocated memory is still 90.2MB. Free memory was 58.9MB in the beginning and 55.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.27ms. Allocated memory is still 90.2MB. Free memory was 55.0MB in the beginning and 52.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 969.60ms. Allocated memory is still 90.2MB. Free memory was 52.2MB in the beginning and 55.7MB in the end (delta: -3.5MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 5816.37ms. Allocated memory was 90.2MB in the beginning and 155.2MB in the end (delta: 65.0MB). Free memory was 55.7MB in the beginning and 103.5MB in the end (delta: -47.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Witness Printer took 61.37ms. Allocated memory is still 155.2MB. Free memory was 103.5MB in the beginning and 100.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 285 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 172 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1102 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1102 mSDsluCounter, 1584 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1114 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 470 mSDtfsCounter, 73 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 132]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L197] int pumpRunning = 0; [L198] int systemActive = 1; [L427] int cleanupTimeShifts = 4; [L523] int waterLevel = 1; [L524] int methaneLevelCritical = 0; [L804] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L500] int retValue_acc ; [L501] int tmp ; [L505] FCALL select_helpers() [L506] FCALL select_features() [L507] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L507] RET, EXPR valid_product() [L507] tmp = valid_product() [L509] COND TRUE \read(tmp) [L511] FCALL setup() [L512] CALL runTest() [L494] CALL test() [L123] int splverifierCounter ; [L124] int tmp ; [L125] int tmp___0 ; [L126] int tmp___1 ; [L127] int tmp___2 ; [L130] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L132] COND TRUE 1 [L134] COND TRUE splverifierCounter < 4 [L140] tmp = __VERIFIER_nondet_int() [L142] COND FALSE !(\read(tmp)) [L150] tmp___0 = __VERIFIER_nondet_int() [L152] COND FALSE !(\read(tmp___0)) [L160] tmp___2 = __VERIFIER_nondet_int() [L162] COND TRUE \read(tmp___2) [L177] CALL timeShift() [L204] COND FALSE !(\read(pumpRunning)) [L211] COND TRUE \read(systemActive) [L213] CALL processEnvironment() [L259] int tmp ; [L262] COND FALSE !(\read(pumpRunning)) [L277] CALL processEnvironment__wrappee__highWaterSensor() [L233] int tmp ; [L236] COND TRUE ! pumpRunning [L238] CALL, EXPR isHighWaterLevel() [L374] int retValue_acc ; [L375] int tmp ; [L376] int tmp___0 ; [L380] CALL, EXPR isHighWaterSensorDry() [L603] int retValue_acc ; [L606] COND TRUE waterLevel < 2 [L607] retValue_acc = 1 [L608] return (retValue_acc); [L380] RET, EXPR isHighWaterSensorDry() [L380] tmp = isHighWaterSensorDry() [L382] COND TRUE \read(tmp) [L383] tmp___0 = 0 [L387] retValue_acc = tmp___0 [L388] return (retValue_acc); [L238] RET, EXPR isHighWaterLevel() [L238] tmp = isHighWaterLevel() [L240] COND FALSE !(\read(tmp)) [L246] FCALL processEnvironment__wrappee__base() [L277] RET processEnvironment__wrappee__highWaterSensor() [L213] RET processEnvironment() [L219] CALL __utac_acc__Specification4_spec__1() [L92] int tmp ; [L93] int tmp___0 ; [L97] CALL, EXPR getWaterLevel() [L594] int retValue_acc ; [L597] retValue_acc = waterLevel [L598] return (retValue_acc); [L97] RET, EXPR getWaterLevel() [L97] tmp = getWaterLevel() [L99] COND FALSE !(tmp == 0) [L219] RET __utac_acc__Specification4_spec__1() [L177] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 132]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L197] int pumpRunning = 0; [L198] int systemActive = 1; [L427] int cleanupTimeShifts = 4; [L523] int waterLevel = 1; [L524] int methaneLevelCritical = 0; [L804] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L500] int retValue_acc ; [L501] int tmp ; [L505] FCALL select_helpers() [L506] FCALL select_features() [L507] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L507] RET, EXPR valid_product() [L507] tmp = valid_product() [L509] COND TRUE \read(tmp) [L511] FCALL setup() [L512] CALL runTest() [L494] CALL test() [L123] int splverifierCounter ; [L124] int tmp ; [L125] int tmp___0 ; [L126] int tmp___1 ; [L127] int tmp___2 ; [L130] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L132] COND TRUE 1 [L134] COND TRUE splverifierCounter < 4 [L140] tmp = __VERIFIER_nondet_int() [L142] COND FALSE !(\read(tmp)) [L150] tmp___0 = __VERIFIER_nondet_int() [L152] COND FALSE !(\read(tmp___0)) [L160] tmp___2 = __VERIFIER_nondet_int() [L162] COND TRUE \read(tmp___2) [L177] CALL timeShift() [L204] COND FALSE !(\read(pumpRunning)) [L211] COND TRUE \read(systemActive) [L213] CALL processEnvironment() [L259] int tmp ; [L262] COND FALSE !(\read(pumpRunning)) [L277] CALL processEnvironment__wrappee__highWaterSensor() [L233] int tmp ; [L236] COND TRUE ! pumpRunning [L238] CALL, EXPR isHighWaterLevel() [L374] int retValue_acc ; [L375] int tmp ; [L376] int tmp___0 ; [L380] CALL, EXPR isHighWaterSensorDry() [L603] int retValue_acc ; [L606] COND TRUE waterLevel < 2 [L607] retValue_acc = 1 [L608] return (retValue_acc); [L380] RET, EXPR isHighWaterSensorDry() [L380] tmp = isHighWaterSensorDry() [L382] COND TRUE \read(tmp) [L383] tmp___0 = 0 [L387] retValue_acc = tmp___0 [L388] return (retValue_acc); [L238] RET, EXPR isHighWaterLevel() [L238] tmp = isHighWaterLevel() [L240] COND FALSE !(\read(tmp)) [L246] FCALL processEnvironment__wrappee__base() [L277] RET processEnvironment__wrappee__highWaterSensor() [L213] RET processEnvironment() [L219] CALL __utac_acc__Specification4_spec__1() [L92] int tmp ; [L93] int tmp___0 ; [L97] CALL, EXPR getWaterLevel() [L594] int retValue_acc ; [L597] retValue_acc = waterLevel [L598] return (retValue_acc); [L97] RET, EXPR getWaterLevel() [L97] tmp = getWaterLevel() [L99] COND FALSE !(tmp == 0) [L219] RET __utac_acc__Specification4_spec__1() [L177] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-02 21:11:33,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848140d7-382b-4961-902f-c29147c55d1f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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)