./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce1934e-6d9f-47cd-95f5-367703a70262/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce1934e-6d9f-47cd-95f5-367703a70262/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_5ce1934e-6d9f-47cd-95f5-367703a70262/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce1934e-6d9f-47cd-95f5-367703a70262/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce1934e-6d9f-47cd-95f5-367703a70262/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_5ce1934e-6d9f-47cd-95f5-367703a70262/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 ae2f7a85a5093ad80fd05f69a7d0bbcf9a510999a9154b6f2d8037f035f00930 --- 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 14:12:11,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:12:11,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:12:11,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:12:11,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:12:11,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:12:11,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:12:11,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:12:11,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:12:11,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:12:11,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:12:11,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:12:11,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:12:11,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:12:11,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:12:11,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:12:11,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:12:11,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:12:11,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:12:11,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:12:11,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:12:11,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:12:11,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:12:11,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:12:11,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:12:11,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:12:11,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:12:11,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:12:11,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:12:11,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:12:11,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:12:11,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:12:11,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:12:11,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:12:11,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:12:11,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:12:11,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:12:11,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:12:11,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:12:11,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:12:11,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:12:11,172 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce1934e-6d9f-47cd-95f5-367703a70262/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 14:12:11,188 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:12:11,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:12:11,188 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:12:11,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:12:11,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:12:11,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:12:11,189 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:12:11,190 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 14:12:11,190 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 14:12:11,190 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 14:12:11,190 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 14:12:11,190 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 14:12:11,190 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 14:12:11,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:12:11,190 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:12:11,190 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:12:11,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:12:11,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:12:11,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:12:11,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 14:12:11,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 14:12:11,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 14:12:11,191 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:12:11,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:12:11,191 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 14:12:11,192 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:12:11,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 14:12:11,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:12:11,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:12:11,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:12:11,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:12:11,193 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 14:12:11,193 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_5ce1934e-6d9f-47cd-95f5-367703a70262/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce1934e-6d9f-47cd-95f5-367703a70262/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae2f7a85a5093ad80fd05f69a7d0bbcf9a510999a9154b6f2d8037f035f00930 [2022-12-13 14:12:11,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:12:11,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:12:11,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:12:11,377 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:12:11,377 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:12:11,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce1934e-6d9f-47cd-95f5-367703a70262/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2022-12-13 14:12:13,841 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:12:14,030 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:12:14,031 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce1934e-6d9f-47cd-95f5-367703a70262/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2022-12-13 14:12:14,041 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce1934e-6d9f-47cd-95f5-367703a70262/bin/uautomizer-uyxdKDjOR8/data/d8a4d6412/1cd12aaf51c64ca09c221c05433e7233/FLAG98f405106 [2022-12-13 14:12:14,053 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce1934e-6d9f-47cd-95f5-367703a70262/bin/uautomizer-uyxdKDjOR8/data/d8a4d6412/1cd12aaf51c64ca09c221c05433e7233 [2022-12-13 14:12:14,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:12:14,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:12:14,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:12:14,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:12:14,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:12:14,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:12:14" (1/1) ... [2022-12-13 14:12:14,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@590f4923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:14, skipping insertion in model container [2022-12-13 14:12:14,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:12:14" (1/1) ... [2022-12-13 14:12:14,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:12:14,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:12:14,335 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_5ce1934e-6d9f-47cd-95f5-367703a70262/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c[17123,17136] [2022-12-13 14:12:14,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:12:14,353 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:12:14,405 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_5ce1934e-6d9f-47cd-95f5-367703a70262/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c[17123,17136] [2022-12-13 14:12:14,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:12:14,426 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:12:14,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:14 WrapperNode [2022-12-13 14:12:14,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:12:14,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:12:14,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:12:14,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:12:14,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:14" (1/1) ... [2022-12-13 14:12:14,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:14" (1/1) ... [2022-12-13 14:12:14,478 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 55, calls inlined = 98, statements flattened = 661 [2022-12-13 14:12:14,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:12:14,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:12:14,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:12:14,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:12:14,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:14" (1/1) ... [2022-12-13 14:12:14,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:14" (1/1) ... [2022-12-13 14:12:14,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:14" (1/1) ... [2022-12-13 14:12:14,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:14" (1/1) ... [2022-12-13 14:12:14,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:14" (1/1) ... [2022-12-13 14:12:14,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:14" (1/1) ... [2022-12-13 14:12:14,507 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:14" (1/1) ... [2022-12-13 14:12:14,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:14" (1/1) ... [2022-12-13 14:12:14,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:12:14,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:12:14,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:12:14,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:12:14,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:14" (1/1) ... [2022-12-13 14:12:14,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:12:14,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce1934e-6d9f-47cd-95f5-367703a70262/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:12:14,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce1934e-6d9f-47cd-95f5-367703a70262/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:12:14,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce1934e-6d9f-47cd-95f5-367703a70262/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 14:12:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:12:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:12:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:12:14,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:12:14,637 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:12:14,639 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:12:14,966 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:12:14,974 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:12:14,974 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 14:12:14,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:12:14 BoogieIcfgContainer [2022-12-13 14:12:14,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:12:14,978 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 14:12:14,978 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 14:12:14,981 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 14:12:14,982 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:12:14,982 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 02:12:14" (1/3) ... [2022-12-13 14:12:14,983 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c998d4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 02:12:14, skipping insertion in model container [2022-12-13 14:12:14,983 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:12:14,983 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:14" (2/3) ... [2022-12-13 14:12:14,984 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c998d4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 02:12:14, skipping insertion in model container [2022-12-13 14:12:14,984 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:12:14,984 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:12:14" (3/3) ... [2022-12-13 14:12:14,986 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product48.cil.c [2022-12-13 14:12:15,034 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 14:12:15,035 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 14:12:15,035 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 14:12:15,035 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 14:12:15,035 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 14:12:15,035 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 14:12:15,035 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 14:12:15,035 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 14:12:15,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 185 states, 184 states have (on average 1.3532608695652173) internal successors, (249), 184 states have internal predecessors, (249), 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 14:12:15,056 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2022-12-13 14:12:15,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:12:15,056 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:12:15,061 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:12:15,061 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:12:15,061 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 14:12:15,062 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 185 states, 184 states have (on average 1.3532608695652173) internal successors, (249), 184 states have internal predecessors, (249), 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 14:12:15,072 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2022-12-13 14:12:15,072 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:12:15,072 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:12:15,073 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:12:15,073 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:12:15,077 INFO L748 eck$LassoCheckResult]: Stem: 43#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 59#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~3#1, main_~tmp~0#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 36#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 151#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 130#valid_product_returnLabel#1true main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 41#L239true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 105#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 98#L888-2true [2022-12-13 14:12:15,077 INFO L750 eck$LassoCheckResult]: Loop: 98#L888-2true assume !false; 18#L889true assume test_~splverifierCounter~0#1 < 4; 75#L890true test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 125#L898true assume !(0 != test_~tmp~9#1); 63#L898-2true test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 106#L908true assume !(0 != test_~tmp___0~2#1); 17#L908-2true test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 24#L918true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 76#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 141#L926-2true assume { :begin_inline_timeShift } true; 37#L658true assume !(0 != ~pumpRunning~0); 152#L658-2true assume !(0 != ~systemActive~0); 44#L665-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 92#isMethaneLevelCritical_returnLabel#4true __utac_acc__Specification1_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret33#1;havoc __utac_acc__Specification1_spec__1_#t~ret33#1; 69#L629true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 114#L629-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 89#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 98#L888-2true [2022-12-13 14:12:15,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:12:15,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 14:12:15,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:12:15,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374565115] [2022-12-13 14:12:15,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:12:15,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:12:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:12:15,156 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:12:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:12:15,179 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:12:15,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:12:15,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1439043263, now seen corresponding path program 1 times [2022-12-13 14:12:15,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:12:15,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294155872] [2022-12-13 14:12:15,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:12:15,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:12:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:15,240 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 14:12:15,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:12:15,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294155872] [2022-12-13 14:12:15,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294155872] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:12:15,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:12:15,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:12:15,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220699489] [2022-12-13 14:12:15,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:12:15,247 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 14:12:15,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:12:15,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:12:15,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:12:15,273 INFO L87 Difference]: Start difference. First operand has 185 states, 184 states have (on average 1.3532608695652173) internal successors, (249), 184 states have internal predecessors, (249), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 14:12:15,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:12:15,329 INFO L93 Difference]: Finished difference Result 355 states and 465 transitions. [2022-12-13 14:12:15,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 355 states and 465 transitions. [2022-12-13 14:12:15,335 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 232 [2022-12-13 14:12:15,339 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 355 states to 335 states and 444 transitions. [2022-12-13 14:12:15,340 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 335 [2022-12-13 14:12:15,341 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 335 [2022-12-13 14:12:15,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 335 states and 444 transitions. [2022-12-13 14:12:15,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:12:15,343 INFO L218 hiAutomatonCegarLoop]: Abstraction has 335 states and 444 transitions. [2022-12-13 14:12:15,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states and 444 transitions. [2022-12-13 14:12:15,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 332. [2022-12-13 14:12:15,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 332 states have (on average 1.3253012048192772) internal successors, (440), 331 states have internal predecessors, (440), 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 14:12:15,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 440 transitions. [2022-12-13 14:12:15,375 INFO L240 hiAutomatonCegarLoop]: Abstraction has 332 states and 440 transitions. [2022-12-13 14:12:15,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:12:15,379 INFO L428 stractBuchiCegarLoop]: Abstraction has 332 states and 440 transitions. [2022-12-13 14:12:15,379 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 14:12:15,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 332 states and 440 transitions. [2022-12-13 14:12:15,382 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 229 [2022-12-13 14:12:15,382 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:12:15,382 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:12:15,383 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:12:15,383 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] [2022-12-13 14:12:15,383 INFO L748 eck$LassoCheckResult]: Stem: 623#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 624#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~3#1, main_~tmp~0#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 612#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 613#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 711#valid_product_returnLabel#1 main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 619#L239 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 620#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 696#L888-2 [2022-12-13 14:12:15,383 INFO L750 eck$LassoCheckResult]: Loop: 696#L888-2 assume !false; 768#L889 assume test_~splverifierCounter~0#1 < 4; 767#L890 test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 765#L898 assume !(0 != test_~tmp~9#1); 763#L898-2 test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 761#L908 assume !(0 != test_~tmp___0~2#1); 759#L908-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 590#L918 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 592#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 671#L926-2 assume { :begin_inline_timeShift } true; 614#L658 assume !(0 != ~pumpRunning~0); 601#L658-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 725#L716 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret35#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 855#L690-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 850#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 849#L690-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 846#L716-1 assume { :end_inline_processEnvironment } true; 845#L665-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 844#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification1_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret33#1;havoc __utac_acc__Specification1_spec__1_#t~ret33#1; 841#L629 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 840#L629-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 839#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 696#L888-2 [2022-12-13 14:12:15,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:12:15,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 14:12:15,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:12:15,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485341108] [2022-12-13 14:12:15,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:12:15,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:12:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:12:15,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:12:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:12:15,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:12:15,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:12:15,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1637042655, now seen corresponding path program 1 times [2022-12-13 14:12:15,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:12:15,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811099969] [2022-12-13 14:12:15,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:12:15,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:12:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:15,427 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 14:12:15,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:12:15,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811099969] [2022-12-13 14:12:15,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811099969] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:12:15,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:12:15,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:12:15,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499845944] [2022-12-13 14:12:15,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:12:15,428 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 14:12:15,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:12:15,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:12:15,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:12:15,429 INFO L87 Difference]: Start difference. First operand 332 states and 440 transitions. cyclomatic complexity: 111 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 14:12:15,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:12:15,491 INFO L93 Difference]: Finished difference Result 456 states and 581 transitions. [2022-12-13 14:12:15,491 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 456 states and 581 transitions. [2022-12-13 14:12:15,496 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 323 [2022-12-13 14:12:15,498 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 456 states to 456 states and 581 transitions. [2022-12-13 14:12:15,498 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 456 [2022-12-13 14:12:15,499 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 456 [2022-12-13 14:12:15,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 456 states and 581 transitions. [2022-12-13 14:12:15,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:12:15,500 INFO L218 hiAutomatonCegarLoop]: Abstraction has 456 states and 581 transitions. [2022-12-13 14:12:15,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states and 581 transitions. [2022-12-13 14:12:15,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2022-12-13 14:12:15,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 456 states have (on average 1.2741228070175439) internal successors, (581), 455 states have internal predecessors, (581), 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 14:12:15,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 581 transitions. [2022-12-13 14:12:15,512 INFO L240 hiAutomatonCegarLoop]: Abstraction has 456 states and 581 transitions. [2022-12-13 14:12:15,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:12:15,513 INFO L428 stractBuchiCegarLoop]: Abstraction has 456 states and 581 transitions. [2022-12-13 14:12:15,513 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 14:12:15,513 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 456 states and 581 transitions. [2022-12-13 14:12:15,516 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 323 [2022-12-13 14:12:15,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:12:15,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:12:15,517 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:12:15,517 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] [2022-12-13 14:12:15,517 INFO L748 eck$LassoCheckResult]: Stem: 1420#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 1421#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~3#1, main_~tmp~0#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1403#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1404#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 1522#valid_product_returnLabel#1 main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 1411#L239 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1412#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1487#L888-2 [2022-12-13 14:12:15,517 INFO L750 eck$LassoCheckResult]: Loop: 1487#L888-2 assume !false; 1367#L889 assume test_~splverifierCounter~0#1 < 4; 1368#L890 test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 1597#L898 assume !(0 != test_~tmp~9#1); 1676#L898-2 test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 1675#L908 assume !(0 != test_~tmp___0~2#1); 1674#L908-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 1673#L918 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 1672#L926 assume !(0 != test_~tmp___1~0#1); 1468#L926-2 assume { :begin_inline_timeShift } true; 1671#L658 assume !(0 != ~pumpRunning~0); 1543#L658-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1461#L716 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret35#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 1407#L690-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 1408#L140-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 1439#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret47#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret47#1;havoc isHighWaterLevel_#t~ret47#1; 1440#L835-3 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1561#L835-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 1545#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__methaneQuery_#t~ret35#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~5#1 := processEnvironment__wrappee__methaneQuery_#t~ret35#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret35#1; 1380#L694-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1382#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1628#L690-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1499#L716-1 assume { :end_inline_processEnvironment } true; 1415#L665-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 1416#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification1_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret33#1;havoc __utac_acc__Specification1_spec__1_#t~ret33#1; 1455#L629 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 1456#L629-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1486#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1487#L888-2 [2022-12-13 14:12:15,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:12:15,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-12-13 14:12:15,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:12:15,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468680923] [2022-12-13 14:12:15,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:12:15,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:12:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:12:15,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:12:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:12:15,535 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:12:15,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:12:15,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1100745271, now seen corresponding path program 1 times [2022-12-13 14:12:15,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:12:15,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817649917] [2022-12-13 14:12:15,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:12:15,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:12:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:12:15,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:12:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:12:15,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:12:15,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:12:15,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1943240077, now seen corresponding path program 1 times [2022-12-13 14:12:15,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:12:15,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651979812] [2022-12-13 14:12:15,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:12:15,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:12:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:12:15,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:12:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:12:15,582 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:12:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:12:16,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:12:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:12:16,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 02:12:16 BoogieIcfgContainer [2022-12-13 14:12:16,434 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 14:12:16,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:12:16,434 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:12:16,435 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:12:16,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:12:14" (3/4) ... [2022-12-13 14:12:16,437 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 14:12:16,468 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce1934e-6d9f-47cd-95f5-367703a70262/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:12:16,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:12:16,469 INFO L158 Benchmark]: Toolchain (without parser) took 2412.05ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 107.5MB in the beginning and 57.2MB in the end (delta: 50.2MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. [2022-12-13 14:12:16,469 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:12:16,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.72ms. Allocated memory is still 138.4MB. Free memory was 107.0MB in the beginning and 88.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 14:12:16,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.31ms. Allocated memory is still 138.4MB. Free memory was 88.6MB in the beginning and 85.1MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:12:16,470 INFO L158 Benchmark]: Boogie Preprocessor took 32.62ms. Allocated memory is still 138.4MB. Free memory was 85.1MB in the beginning and 82.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:12:16,471 INFO L158 Benchmark]: RCFGBuilder took 464.18ms. Allocated memory is still 138.4MB. Free memory was 82.3MB in the beginning and 57.8MB in the end (delta: 24.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 14:12:16,471 INFO L158 Benchmark]: BuchiAutomizer took 1456.51ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 57.8MB in the beginning and 60.4MB in the end (delta: -2.6MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-12-13 14:12:16,472 INFO L158 Benchmark]: Witness Printer took 34.15ms. Allocated memory is still 167.8MB. Free memory was 59.3MB in the beginning and 57.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:12:16,474 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.72ms. Allocated memory is still 138.4MB. Free memory was 107.0MB in the beginning and 88.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.31ms. Allocated memory is still 138.4MB. Free memory was 88.6MB in the beginning and 85.1MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.62ms. Allocated memory is still 138.4MB. Free memory was 85.1MB in the beginning and 82.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 464.18ms. Allocated memory is still 138.4MB. Free memory was 82.3MB in the beginning and 57.8MB in the end (delta: 24.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 1456.51ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 57.8MB in the beginning and 60.4MB in the end (delta: -2.6MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Witness Printer took 34.15ms. Allocated memory is still 167.8MB. Free memory was 59.3MB in the beginning and 57.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 456 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 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, 398 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 398 mSDsluCounter, 775 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 318 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 457 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 888]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L151] int cleanupTimeShifts = 4; [L422] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L651] int pumpRunning = 0; [L652] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L230] int retValue_acc ; [L231] int tmp ; [L235] FCALL select_helpers() [L236] FCALL select_features() [L237] CALL, EXPR valid_product() [L973] int retValue_acc ; [L976] retValue_acc = 1 [L977] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L237] RET, EXPR valid_product() [L237] tmp = valid_product() [L239] COND TRUE \read(tmp) [L241] FCALL setup() [L242] CALL runTest() [L221] CALL test() [L879] int splverifierCounter ; [L880] int tmp ; [L881] int tmp___0 ; [L882] int tmp___1 ; [L883] int tmp___2 ; [L886] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L888] COND TRUE 1 [L890] COND TRUE splverifierCounter < 4 [L896] tmp = __VERIFIER_nondet_int() [L898] COND FALSE !(\read(tmp)) [L906] tmp___0 = __VERIFIER_nondet_int() [L908] COND FALSE !(\read(tmp___0)) [L916] tmp___2 = __VERIFIER_nondet_int() [L918] COND FALSE !(\read(tmp___2)) [L924] tmp___1 = __VERIFIER_nondet_int() [L926] COND FALSE !(\read(tmp___1)) [L935] CALL timeShift() [L658] COND FALSE !(\read(pumpRunning)) [L665] COND TRUE \read(systemActive) [L667] CALL processEnvironment() [L713] int tmp ; [L716] COND FALSE !(\read(pumpRunning)) [L731] CALL processEnvironment__wrappee__methaneQuery() [L687] int tmp ; [L690] COND TRUE ! pumpRunning [L692] CALL, EXPR isHighWaterLevel() [L827] int retValue_acc ; [L828] int tmp ; [L829] int tmp___0 ; [L833] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L833] RET, EXPR isHighWaterSensorDry() [L833] tmp = isHighWaterSensorDry() [L835] COND TRUE \read(tmp) [L836] tmp___0 = 0 [L840] retValue_acc = tmp___0 [L841] return (retValue_acc); [L692] RET, EXPR isHighWaterLevel() [L692] tmp = isHighWaterLevel() [L694] COND FALSE !(\read(tmp)) [L700] FCALL processEnvironment__wrappee__base() [L731] RET processEnvironment__wrappee__methaneQuery() [L667] RET processEnvironment() [L673] CALL __utac_acc__Specification1_spec__1() [L622] int tmp ; [L623] int tmp___0 ; [L627] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L627] RET, EXPR isMethaneLevelCritical() [L627] tmp = isMethaneLevelCritical() [L629] COND FALSE !(\read(tmp)) [L673] RET __utac_acc__Specification1_spec__1() [L935] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 888]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L151] int cleanupTimeShifts = 4; [L422] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L651] int pumpRunning = 0; [L652] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L230] int retValue_acc ; [L231] int tmp ; [L235] FCALL select_helpers() [L236] FCALL select_features() [L237] CALL, EXPR valid_product() [L973] int retValue_acc ; [L976] retValue_acc = 1 [L977] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L237] RET, EXPR valid_product() [L237] tmp = valid_product() [L239] COND TRUE \read(tmp) [L241] FCALL setup() [L242] CALL runTest() [L221] CALL test() [L879] int splverifierCounter ; [L880] int tmp ; [L881] int tmp___0 ; [L882] int tmp___1 ; [L883] int tmp___2 ; [L886] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L888] COND TRUE 1 [L890] COND TRUE splverifierCounter < 4 [L896] tmp = __VERIFIER_nondet_int() [L898] COND FALSE !(\read(tmp)) [L906] tmp___0 = __VERIFIER_nondet_int() [L908] COND FALSE !(\read(tmp___0)) [L916] tmp___2 = __VERIFIER_nondet_int() [L918] COND FALSE !(\read(tmp___2)) [L924] tmp___1 = __VERIFIER_nondet_int() [L926] COND FALSE !(\read(tmp___1)) [L935] CALL timeShift() [L658] COND FALSE !(\read(pumpRunning)) [L665] COND TRUE \read(systemActive) [L667] CALL processEnvironment() [L713] int tmp ; [L716] COND FALSE !(\read(pumpRunning)) [L731] CALL processEnvironment__wrappee__methaneQuery() [L687] int tmp ; [L690] COND TRUE ! pumpRunning [L692] CALL, EXPR isHighWaterLevel() [L827] int retValue_acc ; [L828] int tmp ; [L829] int tmp___0 ; [L833] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L833] RET, EXPR isHighWaterSensorDry() [L833] tmp = isHighWaterSensorDry() [L835] COND TRUE \read(tmp) [L836] tmp___0 = 0 [L840] retValue_acc = tmp___0 [L841] return (retValue_acc); [L692] RET, EXPR isHighWaterLevel() [L692] tmp = isHighWaterLevel() [L694] COND FALSE !(\read(tmp)) [L700] FCALL processEnvironment__wrappee__base() [L731] RET processEnvironment__wrappee__methaneQuery() [L667] RET processEnvironment() [L673] CALL __utac_acc__Specification1_spec__1() [L622] int tmp ; [L623] int tmp___0 ; [L627] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L627] RET, EXPR isMethaneLevelCritical() [L627] tmp = isMethaneLevelCritical() [L629] COND FALSE !(\read(tmp)) [L673] RET __utac_acc__Specification1_spec__1() [L935] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 14:12:16,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce1934e-6d9f-47cd-95f5-367703a70262/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)