./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product60.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_d9080582-5367-453a-a3a9-20e966b6e15a/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9080582-5367-453a-a3a9-20e966b6e15a/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_d9080582-5367-453a-a3a9-20e966b6e15a/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9080582-5367-453a-a3a9-20e966b6e15a/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9080582-5367-453a-a3a9-20e966b6e15a/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_d9080582-5367-453a-a3a9-20e966b6e15a/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 0fa225959be52b1defd5d055d32ae3a8dd944c37a01adb589e2f547028e60f67 --- 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 20:17:29,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:17:29,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:17:29,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:17:29,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:17:29,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:17:29,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:17:29,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:17:29,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:17:29,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:17:29,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:17:29,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:17:29,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:17:29,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:17:29,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:17:29,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:17:29,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:17:29,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:17:29,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:17:29,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:17:29,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:17:29,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:17:29,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:17:29,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:17:29,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:17:29,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:17:29,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:17:29,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:17:29,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:17:29,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:17:29,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:17:29,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:17:29,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:17:29,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:17:29,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:17:29,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:17:29,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:17:29,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:17:29,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:17:29,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:17:29,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:17:29,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9080582-5367-453a-a3a9-20e966b6e15a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 20:17:29,233 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:17:29,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:17:29,233 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:17:29,233 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:17:29,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:17:29,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:17:29,235 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:17:29,235 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 20:17:29,235 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 20:17:29,235 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 20:17:29,235 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 20:17:29,235 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 20:17:29,236 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 20:17:29,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:17:29,236 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:17:29,236 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:17:29,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:17:29,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:17:29,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:17:29,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 20:17:29,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 20:17:29,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 20:17:29,237 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:17:29,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:17:29,238 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 20:17:29,238 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:17:29,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 20:17:29,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:17:29,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:17:29,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:17:29,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:17:29,239 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 20:17:29,240 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_d9080582-5367-453a-a3a9-20e966b6e15a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9080582-5367-453a-a3a9-20e966b6e15a/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fa225959be52b1defd5d055d32ae3a8dd944c37a01adb589e2f547028e60f67 [2022-12-13 20:17:29,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:17:29,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:17:29,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:17:29,465 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:17:29,465 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:17:29,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9080582-5367-453a-a3a9-20e966b6e15a/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2022-12-13 20:17:31,990 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:17:32,176 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:17:32,176 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9080582-5367-453a-a3a9-20e966b6e15a/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2022-12-13 20:17:32,188 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9080582-5367-453a-a3a9-20e966b6e15a/bin/uautomizer-uyxdKDjOR8/data/c8386c084/2699ededf0774b70add9e3ec1819e3a9/FLAG734fce664 [2022-12-13 20:17:32,548 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9080582-5367-453a-a3a9-20e966b6e15a/bin/uautomizer-uyxdKDjOR8/data/c8386c084/2699ededf0774b70add9e3ec1819e3a9 [2022-12-13 20:17:32,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:17:32,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:17:32,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:17:32,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:17:32,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:17:32,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:17:32" (1/1) ... [2022-12-13 20:17:32,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c70dc01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:32, skipping insertion in model container [2022-12-13 20:17:32,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:17:32" (1/1) ... [2022-12-13 20:17:32,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:17:32,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:17:32,748 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_d9080582-5367-453a-a3a9-20e966b6e15a/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c[14569,14582] [2022-12-13 20:17:32,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:17:32,771 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:17:32,810 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_d9080582-5367-453a-a3a9-20e966b6e15a/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c[14569,14582] [2022-12-13 20:17:32,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:17:32,829 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:17:32,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:32 WrapperNode [2022-12-13 20:17:32,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:17:32,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:17:32,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:17:32,830 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:17:32,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:32" (1/1) ... [2022-12-13 20:17:32,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:32" (1/1) ... [2022-12-13 20:17:32,869 INFO L138 Inliner]: procedures = 58, calls = 103, calls flagged for inlining = 56, calls inlined = 98, statements flattened = 679 [2022-12-13 20:17:32,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:17:32,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:17:32,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:17:32,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:17:32,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:32" (1/1) ... [2022-12-13 20:17:32,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:32" (1/1) ... [2022-12-13 20:17:32,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:32" (1/1) ... [2022-12-13 20:17:32,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:32" (1/1) ... [2022-12-13 20:17:32,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:32" (1/1) ... [2022-12-13 20:17:32,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:32" (1/1) ... [2022-12-13 20:17:32,892 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:32" (1/1) ... [2022-12-13 20:17:32,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:32" (1/1) ... [2022-12-13 20:17:32,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:17:32,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:17:32,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:17:32,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:17:32,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:32" (1/1) ... [2022-12-13 20:17:32,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:17:32,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9080582-5367-453a-a3a9-20e966b6e15a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:17:32,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9080582-5367-453a-a3a9-20e966b6e15a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:17:32,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9080582-5367-453a-a3a9-20e966b6e15a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 20:17:32,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:17:32,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:17:32,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:17:32,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:17:33,032 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:17:33,033 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:17:33,387 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:17:33,395 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:17:33,395 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 20:17:33,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:17:33 BoogieIcfgContainer [2022-12-13 20:17:33,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:17:33,399 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 20:17:33,399 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 20:17:33,403 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 20:17:33,403 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 20:17:33,404 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 08:17:32" (1/3) ... [2022-12-13 20:17:33,405 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bcff59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 08:17:33, skipping insertion in model container [2022-12-13 20:17:33,405 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 20:17:33,405 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:17:32" (2/3) ... [2022-12-13 20:17:33,405 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bcff59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 08:17:33, skipping insertion in model container [2022-12-13 20:17:33,405 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 20:17:33,406 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:17:33" (3/3) ... [2022-12-13 20:17:33,407 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product60.cil.c [2022-12-13 20:17:33,455 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 20:17:33,455 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 20:17:33,455 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 20:17:33,456 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 20:17:33,456 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 20:17:33,456 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 20:17:33,456 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 20:17:33,456 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 20:17:33,460 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 191 states, 190 states have (on average 1.3578947368421053) internal successors, (258), 190 states have internal predecessors, (258), 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 20:17:33,478 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2022-12-13 20:17:33,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:17:33,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:17:33,483 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:17:33,483 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 20:17:33,484 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 20:17:33,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 191 states, 190 states have (on average 1.3578947368421053) internal successors, (258), 190 states have internal predecessors, (258), 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 20:17:33,491 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2022-12-13 20:17:33,492 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:17:33,492 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:17:33,492 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:17:33,492 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 20:17:33,497 INFO L748 eck$LassoCheckResult]: Stem: 35#$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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 51#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 30#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 153#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~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 125#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 71#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 98#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 27#L678-2true [2022-12-13 20:17:33,498 INFO L750 eck$LassoCheckResult]: Loop: 27#L678-2true assume !false; 141#L679true assume test_~splverifierCounter~0#1 < 4; 178#L680true test_~tmp~5#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 136#L688true assume !(0 != test_~tmp~5#1); 26#L688-2true test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 133#L698true assume !(0 != test_~tmp___0~1#1); 167#L698-2true test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 16#L708true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 58#L716true assume !(0 != test_~tmp___1~0#1); 145#L716-2true assume { :begin_inline_timeShift } true; 119#L746true assume !(0 != ~pumpRunning~0); 114#L746-2true assume !(0 != ~systemActive~0); 149#L753-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 99#isMethaneLevelCritical_returnLabel#3true __utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 79#L273true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1); 73#L273-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 81#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 27#L678-2true [2022-12-13 20:17:33,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:17:33,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 20:17:33,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:17:33,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190354897] [2022-12-13 20:17:33,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:17:33,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:17:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:17:33,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:17:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:17:33,603 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:17:33,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:17:33,606 INFO L85 PathProgramCache]: Analyzing trace with hash -192455057, now seen corresponding path program 1 times [2022-12-13 20:17:33,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:17:33,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482801916] [2022-12-13 20:17:33,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:17:33,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:17:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:17:33,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:17:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:17:33,618 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:17:33,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:17:33,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1124136661, now seen corresponding path program 1 times [2022-12-13 20:17:33,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:17:33,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156728591] [2022-12-13 20:17:33,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:17:33,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:17:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:17:33,753 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 20:17:33,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:17:33,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156728591] [2022-12-13 20:17:33,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156728591] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:17:33,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:17:33,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:17:33,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659045594] [2022-12-13 20:17:33,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:17:33,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:17:33,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:17:33,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:17:33,893 INFO L87 Difference]: Start difference. First operand has 191 states, 190 states have (on average 1.3578947368421053) internal successors, (258), 190 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:17:34,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:17:34,017 INFO L93 Difference]: Finished difference Result 612 states and 800 transitions. [2022-12-13 20:17:34,018 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 612 states and 800 transitions. [2022-12-13 20:17:34,025 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 400 [2022-12-13 20:17:34,031 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 612 states to 572 states and 760 transitions. [2022-12-13 20:17:34,032 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 572 [2022-12-13 20:17:34,033 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 572 [2022-12-13 20:17:34,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 572 states and 760 transitions. [2022-12-13 20:17:34,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:17:34,036 INFO L218 hiAutomatonCegarLoop]: Abstraction has 572 states and 760 transitions. [2022-12-13 20:17:34,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states and 760 transitions. [2022-12-13 20:17:34,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 230. [2022-12-13 20:17:34,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 230 states have (on average 1.326086956521739) internal successors, (305), 229 states have internal predecessors, (305), 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 20:17:34,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 305 transitions. [2022-12-13 20:17:34,067 INFO L240 hiAutomatonCegarLoop]: Abstraction has 230 states and 305 transitions. [2022-12-13 20:17:34,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 20:17:34,071 INFO L428 stractBuchiCegarLoop]: Abstraction has 230 states and 305 transitions. [2022-12-13 20:17:34,071 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 20:17:34,071 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 230 states and 305 transitions. [2022-12-13 20:17:34,072 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 161 [2022-12-13 20:17:34,072 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:17:34,072 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:17:34,073 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:17:34,073 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 20:17:34,073 INFO L748 eck$LassoCheckResult]: Stem: 877#$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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 878#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 874#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 875#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~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 975#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 927#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 928#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 868#L678-2 [2022-12-13 20:17:34,073 INFO L750 eck$LassoCheckResult]: Loop: 868#L678-2 assume !false; 869#L679 assume test_~splverifierCounter~0#1 < 4; 984#L680 test_~tmp~5#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 982#L688 assume !(0 != test_~tmp~5#1); 841#L688-2 test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 867#L698 assume !(0 != test_~tmp___0~1#1); 979#L698-2 test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 844#L708 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 845#L716 assume !(0 != test_~tmp___1~0#1); 913#L716-2 assume { :begin_inline_timeShift } true; 970#L746 assume !(0 != ~pumpRunning~0); 965#L746-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 837#L804 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 839#L778-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 821#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 822#L778-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 943#L804-1 assume { :end_inline_processEnvironment } true; 944#L753-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 954#isMethaneLevelCritical_returnLabel#3 __utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 935#L273 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1); 930#L273-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 931#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 868#L678-2 [2022-12-13 20:17:34,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:17:34,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 20:17:34,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:17:34,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614366024] [2022-12-13 20:17:34,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:17:34,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:17:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:17:34,082 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:17:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:17:34,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:17:34,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:17:34,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1136266127, now seen corresponding path program 1 times [2022-12-13 20:17:34,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:17:34,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920833133] [2022-12-13 20:17:34,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:17:34,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:17:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:17:34,106 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 20:17:34,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:17:34,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920833133] [2022-12-13 20:17:34,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920833133] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:17:34,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:17:34,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:17:34,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779872515] [2022-12-13 20:17:34,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:17:34,108 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 20:17:34,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:17:34,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:17:34,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:17:34,108 INFO L87 Difference]: Start difference. First operand 230 states and 305 transitions. cyclomatic complexity: 78 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 20:17:34,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:17:34,154 INFO L93 Difference]: Finished difference Result 287 states and 363 transitions. [2022-12-13 20:17:34,154 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 287 states and 363 transitions. [2022-12-13 20:17:34,156 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 205 [2022-12-13 20:17:34,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 287 states to 287 states and 363 transitions. [2022-12-13 20:17:34,157 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 287 [2022-12-13 20:17:34,157 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 287 [2022-12-13 20:17:34,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 287 states and 363 transitions. [2022-12-13 20:17:34,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:17:34,158 INFO L218 hiAutomatonCegarLoop]: Abstraction has 287 states and 363 transitions. [2022-12-13 20:17:34,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states and 363 transitions. [2022-12-13 20:17:34,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2022-12-13 20:17:34,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 287 states have (on average 1.264808362369338) internal successors, (363), 286 states have internal predecessors, (363), 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 20:17:34,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 363 transitions. [2022-12-13 20:17:34,166 INFO L240 hiAutomatonCegarLoop]: Abstraction has 287 states and 363 transitions. [2022-12-13 20:17:34,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:17:34,166 INFO L428 stractBuchiCegarLoop]: Abstraction has 287 states and 363 transitions. [2022-12-13 20:17:34,166 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 20:17:34,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 287 states and 363 transitions. [2022-12-13 20:17:34,168 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 205 [2022-12-13 20:17:34,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:17:34,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:17:34,168 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:17:34,168 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 20:17:34,169 INFO L748 eck$LassoCheckResult]: Stem: 1396#$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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 1397#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1393#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1394#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~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 1505#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1447#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1448#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1479#L678-2 [2022-12-13 20:17:34,169 INFO L750 eck$LassoCheckResult]: Loop: 1479#L678-2 assume !false; 1614#L679 assume test_~splverifierCounter~0#1 < 4; 1538#L680 test_~tmp~5#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 1514#L688 assume !(0 != test_~tmp~5#1); 1361#L688-2 test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 1386#L698 assume !(0 != test_~tmp___0~1#1); 1511#L698-2 test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 1364#L708 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1365#L716 assume !(0 != test_~tmp___1~0#1); 1432#L716-2 assume { :begin_inline_timeShift } true; 1500#L746 assume !(0 != ~pumpRunning~0); 1495#L746-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 1358#L804 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 1359#L778-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~10#1;havoc isHighWaterLevel_~tmp~9#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;havoc isHighWaterSensorDry_~retValue_acc~3#1; 1521#L243-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; 1420#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret51#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9#1 := isHighWaterLevel_#t~ret51#1;havoc isHighWaterLevel_#t~ret51#1; 1421#L924-3 assume 0 != isHighWaterLevel_~tmp~9#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1350#L924-5 isHighWaterLevel_~retValue_acc~10#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; 1351#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret39#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret39#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39#1; 1443#L782-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1411#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1412#L778-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1466#L804-1 assume { :end_inline_processEnvironment } true; 1467#L753-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 1480#isMethaneLevelCritical_returnLabel#3 __utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 1458#L273 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1); 1459#L273-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1615#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1479#L678-2 [2022-12-13 20:17:34,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:17:34,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-12-13 20:17:34,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:17:34,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890624882] [2022-12-13 20:17:34,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:17:34,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:17:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:17:34,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:17:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:17:34,182 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:17:34,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:17:34,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1792007369, now seen corresponding path program 1 times [2022-12-13 20:17:34,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:17:34,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750471813] [2022-12-13 20:17:34,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:17:34,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:17:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:17:34,190 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:17:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:17:34,196 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:17:34,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:17:34,197 INFO L85 PathProgramCache]: Analyzing trace with hash 541025421, now seen corresponding path program 1 times [2022-12-13 20:17:34,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:17:34,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992716746] [2022-12-13 20:17:34,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:17:34,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:17:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:17:34,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:17:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:17:34,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:17:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:17:34,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:17:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:17:34,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 08:17:34 BoogieIcfgContainer [2022-12-13 20:17:34,938 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 20:17:34,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:17:34,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:17:34,938 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:17:34,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:17:33" (3/4) ... [2022-12-13 20:17:34,940 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 20:17:34,977 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9080582-5367-453a-a3a9-20e966b6e15a/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:17:34,977 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:17:34,978 INFO L158 Benchmark]: Toolchain (without parser) took 2426.78ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 74.6MB in the beginning and 88.4MB in the end (delta: -13.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-12-13 20:17:34,978 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:17:34,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.75ms. Allocated memory is still 113.2MB. Free memory was 74.6MB in the beginning and 55.8MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 20:17:34,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.15ms. Allocated memory is still 113.2MB. Free memory was 55.8MB in the beginning and 52.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:17:34,979 INFO L158 Benchmark]: Boogie Preprocessor took 26.17ms. Allocated memory is still 113.2MB. Free memory was 52.3MB in the beginning and 49.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:17:34,980 INFO L158 Benchmark]: RCFGBuilder took 501.41ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 49.5MB in the beginning and 89.2MB in the end (delta: -39.7MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-12-13 20:17:34,980 INFO L158 Benchmark]: BuchiAutomizer took 1538.88ms. Allocated memory is still 136.3MB. Free memory was 89.2MB in the beginning and 91.5MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:17:34,980 INFO L158 Benchmark]: Witness Printer took 39.23ms. Allocated memory is still 136.3MB. Free memory was 91.5MB in the beginning and 88.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:17:34,983 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 113.2MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.75ms. Allocated memory is still 113.2MB. Free memory was 74.6MB in the beginning and 55.8MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.15ms. Allocated memory is still 113.2MB. Free memory was 55.8MB in the beginning and 52.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.17ms. Allocated memory is still 113.2MB. Free memory was 52.3MB in the beginning and 49.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 501.41ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 49.5MB in the beginning and 89.2MB in the end (delta: -39.7MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1538.88ms. Allocated memory is still 136.3MB. Free memory was 89.2MB in the beginning and 91.5MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 39.23ms. Allocated memory is still 136.3MB. Free memory was 91.5MB in the beginning and 88.4MB 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 287 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s 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, 342 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, 1335 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1335 mSDsluCounter, 2030 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1558 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 472 mSDtfsCounter, 83 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: 678]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L160] int waterLevel = 1; [L161] int methaneLevelCritical = 0; [L460] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L739] int pumpRunning = 0; [L740] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L1003] int retValue_acc ; [L1006] retValue_acc = 1 [L1007] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L669] int splverifierCounter ; [L670] int tmp ; [L671] int tmp___0 ; [L672] int tmp___1 ; [L673] int tmp___2 ; [L676] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L678] COND TRUE 1 [L680] COND TRUE splverifierCounter < 4 [L686] tmp = __VERIFIER_nondet_int() [L688] COND FALSE !(\read(tmp)) [L696] tmp___0 = __VERIFIER_nondet_int() [L698] COND FALSE !(\read(tmp___0)) [L706] tmp___2 = __VERIFIER_nondet_int() [L708] COND FALSE !(\read(tmp___2)) [L714] tmp___1 = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp___1)) [L725] CALL timeShift() [L746] COND FALSE !(\read(pumpRunning)) [L753] COND TRUE \read(systemActive) [L755] CALL processEnvironment() [L801] int tmp ; [L804] COND FALSE !(\read(pumpRunning)) [L819] CALL processEnvironment__wrappee__highWaterSensor() [L775] int tmp ; [L778] COND TRUE ! pumpRunning [L780] CALL, EXPR isHighWaterLevel() [L916] int retValue_acc ; [L917] int tmp ; [L918] int tmp___0 ; [L922] CALL, EXPR isHighWaterSensorDry() [L240] int retValue_acc ; [L243] COND TRUE waterLevel < 2 [L244] retValue_acc = 1 [L245] return (retValue_acc); [L922] RET, EXPR isHighWaterSensorDry() [L922] tmp = isHighWaterSensorDry() [L924] COND TRUE \read(tmp) [L925] tmp___0 = 0 [L929] retValue_acc = tmp___0 [L930] return (retValue_acc); [L780] RET, EXPR isHighWaterLevel() [L780] tmp = isHighWaterLevel() [L782] COND FALSE !(\read(tmp)) [L788] FCALL processEnvironment__wrappee__base() [L819] RET processEnvironment__wrappee__highWaterSensor() [L755] RET processEnvironment() [L761] CALL __utac_acc__Specification1_spec__1() [L266] int tmp ; [L267] int tmp___0 ; [L271] CALL, EXPR isMethaneLevelCritical() [L199] int retValue_acc ; [L202] retValue_acc = methaneLevelCritical [L203] return (retValue_acc); [L271] RET, EXPR isMethaneLevelCritical() [L271] tmp = isMethaneLevelCritical() [L273] COND FALSE !(\read(tmp)) [L761] RET __utac_acc__Specification1_spec__1() [L725] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 678]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L160] int waterLevel = 1; [L161] int methaneLevelCritical = 0; [L460] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L739] int pumpRunning = 0; [L740] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L1003] int retValue_acc ; [L1006] retValue_acc = 1 [L1007] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L669] int splverifierCounter ; [L670] int tmp ; [L671] int tmp___0 ; [L672] int tmp___1 ; [L673] int tmp___2 ; [L676] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L678] COND TRUE 1 [L680] COND TRUE splverifierCounter < 4 [L686] tmp = __VERIFIER_nondet_int() [L688] COND FALSE !(\read(tmp)) [L696] tmp___0 = __VERIFIER_nondet_int() [L698] COND FALSE !(\read(tmp___0)) [L706] tmp___2 = __VERIFIER_nondet_int() [L708] COND FALSE !(\read(tmp___2)) [L714] tmp___1 = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp___1)) [L725] CALL timeShift() [L746] COND FALSE !(\read(pumpRunning)) [L753] COND TRUE \read(systemActive) [L755] CALL processEnvironment() [L801] int tmp ; [L804] COND FALSE !(\read(pumpRunning)) [L819] CALL processEnvironment__wrappee__highWaterSensor() [L775] int tmp ; [L778] COND TRUE ! pumpRunning [L780] CALL, EXPR isHighWaterLevel() [L916] int retValue_acc ; [L917] int tmp ; [L918] int tmp___0 ; [L922] CALL, EXPR isHighWaterSensorDry() [L240] int retValue_acc ; [L243] COND TRUE waterLevel < 2 [L244] retValue_acc = 1 [L245] return (retValue_acc); [L922] RET, EXPR isHighWaterSensorDry() [L922] tmp = isHighWaterSensorDry() [L924] COND TRUE \read(tmp) [L925] tmp___0 = 0 [L929] retValue_acc = tmp___0 [L930] return (retValue_acc); [L780] RET, EXPR isHighWaterLevel() [L780] tmp = isHighWaterLevel() [L782] COND FALSE !(\read(tmp)) [L788] FCALL processEnvironment__wrappee__base() [L819] RET processEnvironment__wrappee__highWaterSensor() [L755] RET processEnvironment() [L761] CALL __utac_acc__Specification1_spec__1() [L266] int tmp ; [L267] int tmp___0 ; [L271] CALL, EXPR isMethaneLevelCritical() [L199] int retValue_acc ; [L202] retValue_acc = methaneLevelCritical [L203] return (retValue_acc); [L271] RET, EXPR isMethaneLevelCritical() [L271] tmp = isMethaneLevelCritical() [L273] COND FALSE !(\read(tmp)) [L761] RET __utac_acc__Specification1_spec__1() [L725] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 20:17:35,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9080582-5367-453a-a3a9-20e966b6e15a/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)