./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product13.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_3c838193-259a-47d7-bf08-c11449217125/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c838193-259a-47d7-bf08-c11449217125/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_3c838193-259a-47d7-bf08-c11449217125/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c838193-259a-47d7-bf08-c11449217125/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c838193-259a-47d7-bf08-c11449217125/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_3c838193-259a-47d7-bf08-c11449217125/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 a5d8d581f80f5cde7366deb7b852c58bb4870d5154bc31eab8a2e0d970b8f8d6 --- 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 17:56:12,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:56:12,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:56:12,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:56:12,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:56:12,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:56:12,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:56:12,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:56:12,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:56:12,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:56:12,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:56:12,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:56:12,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:56:12,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:56:12,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:56:12,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:56:12,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:56:12,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:56:12,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:56:12,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:56:12,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:56:12,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:56:12,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:56:12,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:56:12,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:56:12,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:56:12,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:56:12,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:56:12,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:56:12,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:56:12,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:56:12,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:56:12,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:56:12,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:56:12,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:56:12,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:56:12,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:56:12,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:56:12,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:56:12,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:56:12,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:56:12,304 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c838193-259a-47d7-bf08-c11449217125/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 17:56:12,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:56:12,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:56:12,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:56:12,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:56:12,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:56:12,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:56:12,338 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:56:12,339 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 17:56:12,339 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 17:56:12,339 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 17:56:12,339 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 17:56:12,339 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 17:56:12,339 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 17:56:12,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:56:12,340 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 17:56:12,340 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:56:12,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:56:12,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 17:56:12,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:56:12,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 17:56:12,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 17:56:12,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 17:56:12,341 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 17:56:12,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:56:12,341 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 17:56:12,341 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:56:12,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 17:56:12,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:56:12,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:56:12,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:56:12,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:56:12,343 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 17:56:12,343 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_3c838193-259a-47d7-bf08-c11449217125/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c838193-259a-47d7-bf08-c11449217125/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5d8d581f80f5cde7366deb7b852c58bb4870d5154bc31eab8a2e0d970b8f8d6 [2022-12-13 17:56:12,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:56:12,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:56:12,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:56:12,526 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:56:12,527 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:56:12,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c838193-259a-47d7-bf08-c11449217125/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c [2022-12-13 17:56:15,057 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:56:15,268 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:56:15,268 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c838193-259a-47d7-bf08-c11449217125/sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c [2022-12-13 17:56:15,275 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c838193-259a-47d7-bf08-c11449217125/bin/uautomizer-uyxdKDjOR8/data/c6d396347/ca89d8f4935a4629bb26f2f3205aab61/FLAG5883021f1 [2022-12-13 17:56:15,618 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c838193-259a-47d7-bf08-c11449217125/bin/uautomizer-uyxdKDjOR8/data/c6d396347/ca89d8f4935a4629bb26f2f3205aab61 [2022-12-13 17:56:15,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:56:15,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:56:15,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:56:15,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:56:15,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:56:15,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:56:15" (1/1) ... [2022-12-13 17:56:15,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c4dbea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:15, skipping insertion in model container [2022-12-13 17:56:15,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:56:15" (1/1) ... [2022-12-13 17:56:15,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:56:15,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:56:15,811 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_3c838193-259a-47d7-bf08-c11449217125/sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c[13760,13773] [2022-12-13 17:56:15,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:56:15,831 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:56:15,866 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_3c838193-259a-47d7-bf08-c11449217125/sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c[13760,13773] [2022-12-13 17:56:15,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:56:15,886 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:56:15,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:15 WrapperNode [2022-12-13 17:56:15,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:56:15,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:56:15,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:56:15,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:56:15,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:15" (1/1) ... [2022-12-13 17:56:15,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:15" (1/1) ... [2022-12-13 17:56:15,920 INFO L138 Inliner]: procedures = 53, calls = 97, calls flagged for inlining = 50, calls inlined = 54, statements flattened = 343 [2022-12-13 17:56:15,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:56:15,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:56:15,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:56:15,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:56:15,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:15" (1/1) ... [2022-12-13 17:56:15,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:15" (1/1) ... [2022-12-13 17:56:15,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:15" (1/1) ... [2022-12-13 17:56:15,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:15" (1/1) ... [2022-12-13 17:56:15,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:15" (1/1) ... [2022-12-13 17:56:15,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:15" (1/1) ... [2022-12-13 17:56:15,937 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:15" (1/1) ... [2022-12-13 17:56:15,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:15" (1/1) ... [2022-12-13 17:56:15,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:56:15,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:56:15,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:56:15,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:56:15,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:15" (1/1) ... [2022-12-13 17:56:15,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:56:15,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c838193-259a-47d7-bf08-c11449217125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:56:15,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c838193-259a-47d7-bf08-c11449217125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:56:15,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c838193-259a-47d7-bf08-c11449217125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 17:56:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:56:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:56:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:56:15,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:56:16,057 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:56:16,058 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:56:16,284 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:56:16,291 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:56:16,291 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 17:56:16,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:56:16 BoogieIcfgContainer [2022-12-13 17:56:16,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:56:16,295 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 17:56:16,295 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 17:56:16,299 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 17:56:16,299 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 17:56:16,300 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 05:56:15" (1/3) ... [2022-12-13 17:56:16,301 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72dbd65e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 05:56:16, skipping insertion in model container [2022-12-13 17:56:16,301 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 17:56:16,301 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:15" (2/3) ... [2022-12-13 17:56:16,301 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72dbd65e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 05:56:16, skipping insertion in model container [2022-12-13 17:56:16,301 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 17:56:16,301 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:56:16" (3/3) ... [2022-12-13 17:56:16,303 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product13.cil.c [2022-12-13 17:56:16,357 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 17:56:16,357 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 17:56:16,357 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 17:56:16,357 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 17:56:16,358 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 17:56:16,358 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 17:56:16,358 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 17:56:16,358 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 17:56:16,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 105 states have internal predecessors, (142), 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 17:56:16,384 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2022-12-13 17:56:16,384 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:56:16,385 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:56:16,391 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:56:16,391 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:56:16,391 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 17:56:16,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 105 states have internal predecessors, (142), 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 17:56:16,396 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2022-12-13 17:56:16,396 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:56:16,397 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:56:16,397 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:56:16,397 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:56:16,403 INFO L748 eck$LassoCheckResult]: Stem: 21#$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);~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 29#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 18#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 87#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 75#valid_product_returnLabel#1true main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 57#L686true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 65#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 95#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } 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~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 20#L865-2true [2022-12-13 17:56:16,403 INFO L750 eck$LassoCheckResult]: Loop: 20#L865-2true assume !false; 10#L866true assume test_~splverifierCounter~0#1 < 4; 90#L867true test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 12#L875true assume !(0 != test_~tmp~7#1); 89#L875-2true test_~tmp___0~1#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 43#L885true assume !(0 != test_~tmp___0~1#1); 34#L885-2true test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 67#L895true assume 0 != test_~tmp___2~0#1; 81#L901-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 92#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret28#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret28#1;havoc __utac_acc__Specification5_spec__2_#t~ret28#1; 69#__utac_acc__Specification5_spec__2_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 54#L712true assume !(0 != ~pumpRunning~0); 48#L712-2true assume !(0 != ~systemActive~0); 35#L719-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 52#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret29#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1; 99#L484true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); 84#L484-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 53#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 20#L865-2true [2022-12-13 17:56:16,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:56:16,408 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-12-13 17:56:16,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:56:16,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814151811] [2022-12-13 17:56:16,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:56:16,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:56:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:56:16,514 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:56:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:56:16,548 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:56:16,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:56:16,551 INFO L85 PathProgramCache]: Analyzing trace with hash 12018380, now seen corresponding path program 1 times [2022-12-13 17:56:16,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:56:16,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162551451] [2022-12-13 17:56:16,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:56:16,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:56:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:56:16,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:56:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:56:16,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:56:16,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:56:16,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1327334027, now seen corresponding path program 1 times [2022-12-13 17:56:16,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:56:16,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284353330] [2022-12-13 17:56:16,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:56:16,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:56:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:16,772 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 17:56:16,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:56:16,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284353330] [2022-12-13 17:56:16,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284353330] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:56:16,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:56:16,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:56:16,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197369205] [2022-12-13 17:56:16,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:56:16,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:56:16,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:56:16,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:56:16,919 INFO L87 Difference]: Start difference. First operand has 106 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 105 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:56:16,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:56:16,971 INFO L93 Difference]: Finished difference Result 103 states and 128 transitions. [2022-12-13 17:56:16,972 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 128 transitions. [2022-12-13 17:56:16,975 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2022-12-13 17:56:16,979 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 93 states and 118 transitions. [2022-12-13 17:56:16,980 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 93 [2022-12-13 17:56:16,980 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 93 [2022-12-13 17:56:16,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 93 states and 118 transitions. [2022-12-13 17:56:16,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:56:16,982 INFO L218 hiAutomatonCegarLoop]: Abstraction has 93 states and 118 transitions. [2022-12-13 17:56:16,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states and 118 transitions. [2022-12-13 17:56:17,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-12-13 17:56:17,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 93 states have (on average 1.2688172043010753) internal successors, (118), 92 states have internal predecessors, (118), 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 17:56:17,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 118 transitions. [2022-12-13 17:56:17,009 INFO L240 hiAutomatonCegarLoop]: Abstraction has 93 states and 118 transitions. [2022-12-13 17:56:17,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:56:17,013 INFO L428 stractBuchiCegarLoop]: Abstraction has 93 states and 118 transitions. [2022-12-13 17:56:17,014 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 17:56:17,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 118 transitions. [2022-12-13 17:56:17,015 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2022-12-13 17:56:17,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:56:17,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:56:17,016 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:56:17,016 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:56:17,016 INFO L748 eck$LassoCheckResult]: Stem: 284#$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);~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 285#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 276#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 277#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 272#valid_product_returnLabel#1 main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 273#L686 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 230#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 231#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } 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~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 279#L865-2 [2022-12-13 17:56:17,016 INFO L750 eck$LassoCheckResult]: Loop: 279#L865-2 assume !false; 241#L866 assume test_~splverifierCounter~0#1 < 4; 242#L867 test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 248#L875 assume !(0 != test_~tmp~7#1); 250#L875-2 test_~tmp___0~1#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 303#L885 assume !(0 != test_~tmp___0~1#1); 262#L885-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 244#L895 assume 0 != test_~tmp___2~0#1; 245#L901-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 286#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret28#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret28#1;havoc __utac_acc__Specification5_spec__2_#t~ret28#1; 253#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 254#L712 assume !(0 != ~pumpRunning~0); 301#L712-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 294#L744 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 296#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 235#L744-1 assume { :end_inline_processEnvironment } true; 236#L719-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 310#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret29#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1; 313#L484 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); 290#L484-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 291#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 279#L865-2 [2022-12-13 17:56:17,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:56:17,017 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-12-13 17:56:17,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:56:17,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834139905] [2022-12-13 17:56:17,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:56:17,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:56:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:56:17,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:56:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:56:17,037 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:56:17,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:56:17,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1748331923, now seen corresponding path program 1 times [2022-12-13 17:56:17,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:56:17,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178339191] [2022-12-13 17:56:17,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:56:17,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:56:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:56:17,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:56:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:56:17,052 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:56:17,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:56:17,053 INFO L85 PathProgramCache]: Analyzing trace with hash 2145258276, now seen corresponding path program 1 times [2022-12-13 17:56:17,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:56:17,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086312162] [2022-12-13 17:56:17,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:56:17,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:56:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:17,164 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 17:56:17,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:56:17,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086312162] [2022-12-13 17:56:17,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086312162] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:56:17,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:56:17,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:56:17,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220246794] [2022-12-13 17:56:17,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:56:17,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:56:17,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:56:17,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:56:17,258 INFO L87 Difference]: Start difference. First operand 93 states and 118 transitions. cyclomatic complexity: 27 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 17:56:17,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:56:17,389 INFO L93 Difference]: Finished difference Result 383 states and 484 transitions. [2022-12-13 17:56:17,389 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 383 states and 484 transitions. [2022-12-13 17:56:17,394 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 255 [2022-12-13 17:56:17,397 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 383 states to 383 states and 484 transitions. [2022-12-13 17:56:17,397 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 383 [2022-12-13 17:56:17,398 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 383 [2022-12-13 17:56:17,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 383 states and 484 transitions. [2022-12-13 17:56:17,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:56:17,400 INFO L218 hiAutomatonCegarLoop]: Abstraction has 383 states and 484 transitions. [2022-12-13 17:56:17,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states and 484 transitions. [2022-12-13 17:56:17,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 175. [2022-12-13 17:56:17,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 175 states have (on average 1.2514285714285713) internal successors, (219), 174 states have internal predecessors, (219), 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 17:56:17,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 219 transitions. [2022-12-13 17:56:17,412 INFO L240 hiAutomatonCegarLoop]: Abstraction has 175 states and 219 transitions. [2022-12-13 17:56:17,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 17:56:17,413 INFO L428 stractBuchiCegarLoop]: Abstraction has 175 states and 219 transitions. [2022-12-13 17:56:17,413 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 17:56:17,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 175 states and 219 transitions. [2022-12-13 17:56:17,415 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2022-12-13 17:56:17,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:56:17,415 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:56:17,416 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:56:17,416 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:56:17,416 INFO L748 eck$LassoCheckResult]: Stem: 783#$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);~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 784#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 773#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 774#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 769#valid_product_returnLabel#1 main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 770#L686 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 724#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 725#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } 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~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 776#L865-2 [2022-12-13 17:56:17,417 INFO L750 eck$LassoCheckResult]: Loop: 776#L865-2 assume !false; 740#L866 assume test_~splverifierCounter~0#1 < 4; 741#L867 test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 743#L875 assume !(0 != test_~tmp~7#1); 745#L875-2 test_~tmp___0~1#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 804#L885 assume !(0 != test_~tmp___0~1#1); 758#L885-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 735#L895 assume 0 != test_~tmp___2~0#1; 736#L901-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 786#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret28#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret28#1;havoc __utac_acc__Specification5_spec__2_#t~ret28#1; 748#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 749#L712 assume !(0 != ~pumpRunning~0); 801#L712-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 794#L744 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 796#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 731#L744-1 assume { :end_inline_processEnvironment } true; 732#L719-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 811#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret29#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1; 817#L484 assume 2 != __utac_acc__Specification5_spec__3_~tmp~3#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 818#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret30#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret30#1;havoc __utac_acc__Specification5_spec__3_#t~ret30#1; 826#L488 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 892#L484-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 825#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 776#L865-2 [2022-12-13 17:56:17,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:56:17,417 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-12-13 17:56:17,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:56:17,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496118530] [2022-12-13 17:56:17,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:56:17,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:56:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:56:17,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:56:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:56:17,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:56:17,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:56:17,434 INFO L85 PathProgramCache]: Analyzing trace with hash -833864152, now seen corresponding path program 1 times [2022-12-13 17:56:17,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:56:17,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371805523] [2022-12-13 17:56:17,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:56:17,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:56:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:56:17,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:56:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:56:17,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:56:17,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:56:17,448 INFO L85 PathProgramCache]: Analyzing trace with hash -10197729, now seen corresponding path program 1 times [2022-12-13 17:56:17,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:56:17,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560218475] [2022-12-13 17:56:17,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:56:17,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:56:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:56:17,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:56:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:56:17,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:56:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:56:18,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:56:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:56:18,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 05:56:18 BoogieIcfgContainer [2022-12-13 17:56:18,234 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 17:56:18,234 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:56:18,235 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:56:18,235 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:56:18,235 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:56:16" (3/4) ... [2022-12-13 17:56:18,237 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 17:56:18,267 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c838193-259a-47d7-bf08-c11449217125/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 17:56:18,268 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:56:18,268 INFO L158 Benchmark]: Toolchain (without parser) took 2645.78ms. Allocated memory is still 216.0MB. Free memory was 184.3MB in the beginning and 96.2MB in the end (delta: 88.1MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2022-12-13 17:56:18,268 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 111.1MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:56:18,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.88ms. Allocated memory is still 216.0MB. Free memory was 189.0MB in the beginning and 171.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 17:56:18,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.18ms. Allocated memory is still 216.0MB. Free memory was 171.5MB in the beginning and 168.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:56:18,269 INFO L158 Benchmark]: Boogie Preprocessor took 19.03ms. Allocated memory is still 216.0MB. Free memory was 168.8MB in the beginning and 167.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:56:18,269 INFO L158 Benchmark]: RCFGBuilder took 353.80ms. Allocated memory is still 216.0MB. Free memory was 167.2MB in the beginning and 149.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 17:56:18,269 INFO L158 Benchmark]: BuchiAutomizer took 1939.55ms. Allocated memory is still 216.0MB. Free memory was 149.9MB in the beginning and 99.2MB in the end (delta: 50.7MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2022-12-13 17:56:18,270 INFO L158 Benchmark]: Witness Printer took 33.18ms. Allocated memory is still 216.0MB. Free memory was 99.2MB in the beginning and 96.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:56:18,271 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 111.1MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.88ms. Allocated memory is still 216.0MB. Free memory was 189.0MB in the beginning and 171.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.18ms. Allocated memory is still 216.0MB. Free memory was 171.5MB in the beginning and 168.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.03ms. Allocated memory is still 216.0MB. Free memory was 168.8MB in the beginning and 167.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 353.80ms. Allocated memory is still 216.0MB. Free memory was 167.2MB in the beginning and 149.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1939.55ms. Allocated memory is still 216.0MB. Free memory was 149.9MB in the beginning and 99.2MB in the end (delta: 50.7MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * Witness Printer took 33.18ms. Allocated memory is still 216.0MB. Free memory was 99.2MB in the beginning and 96.2MB in the end (delta: 3.0MB). 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 175 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 208 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, 819 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 819 mSDsluCounter, 897 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 576 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 321 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 865]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L457] int switchedOnBeforeTS ; [L511] int waterLevel = 1; [L512] int methaneLevelCritical = 0; [L600] int cleanupTimeShifts = 4; [L702] int pumpRunning = 0; [L703] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L677] int retValue_acc ; [L678] int tmp ; [L682] FCALL select_helpers() [L683] FCALL select_features() [L684] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L684] RET, EXPR valid_product() [L684] tmp = valid_product() [L686] COND TRUE \read(tmp) [L688] FCALL setup() [L689] CALL runTest() [L670] CALL __utac_acc__Specification5_spec__1() [L462] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L670] RET __utac_acc__Specification5_spec__1() [L671] CALL test() [L856] int splverifierCounter ; [L857] int tmp ; [L858] int tmp___0 ; [L859] int tmp___1 ; [L860] int tmp___2 ; [L863] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L865] COND TRUE 1 [L867] COND TRUE splverifierCounter < 4 [L873] tmp = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp)) [L883] tmp___0 = __VERIFIER_nondet_int() [L885] COND FALSE !(\read(tmp___0)) [L893] tmp___2 = __VERIFIER_nondet_int() [L895] COND TRUE \read(tmp___2) [L908] CALL timeShift() [L710] CALL __utac_acc__Specification5_spec__2() [L471] CALL, EXPR isPumpRunning() [L810] int retValue_acc ; [L813] retValue_acc = pumpRunning [L814] return (retValue_acc); [L471] RET, EXPR isPumpRunning() [L471] switchedOnBeforeTS = isPumpRunning() [L710] RET __utac_acc__Specification5_spec__2() [L712] COND FALSE !(\read(pumpRunning)) [L719] COND TRUE \read(systemActive) [L721] CALL processEnvironment() [L741] int tmp ; [L744] COND FALSE !(\read(pumpRunning)) [L759] FCALL processEnvironment__wrappee__methaneQuery() [L721] RET processEnvironment() [L727] CALL __utac_acc__Specification5_spec__3() [L477] int tmp ; [L478] int tmp___0 ; [L482] CALL, EXPR getWaterLevel() [L582] int retValue_acc ; [L585] retValue_acc = waterLevel [L586] return (retValue_acc); [L482] RET, EXPR getWaterLevel() [L482] tmp = getWaterLevel() [L484] COND TRUE tmp != 2 [L486] CALL, EXPR isPumpRunning() [L810] int retValue_acc ; [L813] retValue_acc = pumpRunning [L814] return (retValue_acc); [L486] RET, EXPR isPumpRunning() [L486] tmp___0 = isPumpRunning() [L488] COND FALSE !(\read(tmp___0)) [L727] RET __utac_acc__Specification5_spec__3() [L908] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 865]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L457] int switchedOnBeforeTS ; [L511] int waterLevel = 1; [L512] int methaneLevelCritical = 0; [L600] int cleanupTimeShifts = 4; [L702] int pumpRunning = 0; [L703] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L677] int retValue_acc ; [L678] int tmp ; [L682] FCALL select_helpers() [L683] FCALL select_features() [L684] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L684] RET, EXPR valid_product() [L684] tmp = valid_product() [L686] COND TRUE \read(tmp) [L688] FCALL setup() [L689] CALL runTest() [L670] CALL __utac_acc__Specification5_spec__1() [L462] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L670] RET __utac_acc__Specification5_spec__1() [L671] CALL test() [L856] int splverifierCounter ; [L857] int tmp ; [L858] int tmp___0 ; [L859] int tmp___1 ; [L860] int tmp___2 ; [L863] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L865] COND TRUE 1 [L867] COND TRUE splverifierCounter < 4 [L873] tmp = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp)) [L883] tmp___0 = __VERIFIER_nondet_int() [L885] COND FALSE !(\read(tmp___0)) [L893] tmp___2 = __VERIFIER_nondet_int() [L895] COND TRUE \read(tmp___2) [L908] CALL timeShift() [L710] CALL __utac_acc__Specification5_spec__2() [L471] CALL, EXPR isPumpRunning() [L810] int retValue_acc ; [L813] retValue_acc = pumpRunning [L814] return (retValue_acc); [L471] RET, EXPR isPumpRunning() [L471] switchedOnBeforeTS = isPumpRunning() [L710] RET __utac_acc__Specification5_spec__2() [L712] COND FALSE !(\read(pumpRunning)) [L719] COND TRUE \read(systemActive) [L721] CALL processEnvironment() [L741] int tmp ; [L744] COND FALSE !(\read(pumpRunning)) [L759] FCALL processEnvironment__wrappee__methaneQuery() [L721] RET processEnvironment() [L727] CALL __utac_acc__Specification5_spec__3() [L477] int tmp ; [L478] int tmp___0 ; [L482] CALL, EXPR getWaterLevel() [L582] int retValue_acc ; [L585] retValue_acc = waterLevel [L586] return (retValue_acc); [L482] RET, EXPR getWaterLevel() [L482] tmp = getWaterLevel() [L484] COND TRUE tmp != 2 [L486] CALL, EXPR isPumpRunning() [L810] int retValue_acc ; [L813] retValue_acc = pumpRunning [L814] return (retValue_acc); [L486] RET, EXPR isPumpRunning() [L486] tmp___0 = isPumpRunning() [L488] COND FALSE !(\read(tmp___0)) [L727] RET __utac_acc__Specification5_spec__3() [L908] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 17:56:18,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c838193-259a-47d7-bf08-c11449217125/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)