./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/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_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/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_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/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 7491e9e7e66695ce6d97d4c4c38cf37fc3e1ef2df09eb8fb958f4ec180b71f50 --- 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 21:29:45,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:29:45,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:29:45,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:29:45,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:29:45,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:29:45,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:29:45,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:29:45,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:29:45,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:29:45,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:29:45,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:29:45,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:29:45,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:29:45,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:29:45,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:29:45,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:29:45,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:29:45,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:29:45,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:29:45,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:29:45,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:29:45,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:29:45,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:29:45,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:29:45,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:29:45,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:29:45,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:29:45,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:29:45,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:29:45,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:29:45,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:29:45,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:29:45,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:29:45,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:29:45,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:29:45,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:29:45,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:29:45,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:29:45,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:29:45,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:29:45,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 21:29:45,367 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:29:45,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:29:45,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:29:45,367 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:29:45,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:29:45,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:29:45,369 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:29:45,369 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 21:29:45,369 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 21:29:45,369 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 21:29:45,370 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 21:29:45,370 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 21:29:45,370 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 21:29:45,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:29:45,370 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:29:45,371 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:29:45,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:29:45,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:29:45,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:29:45,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 21:29:45,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 21:29:45,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 21:29:45,371 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:29:45,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:29:45,372 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 21:29:45,372 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:29:45,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 21:29:45,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:29:45,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:29:45,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:29:45,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:29:45,373 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 21:29:45,374 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_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7491e9e7e66695ce6d97d4c4c38cf37fc3e1ef2df09eb8fb958f4ec180b71f50 [2022-12-13 21:29:45,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:29:45,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:29:45,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:29:45,585 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:29:45,585 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:29:45,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2022-12-13 21:29:48,013 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:29:48,221 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:29:48,222 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2022-12-13 21:29:48,232 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/bin/uautomizer-uyxdKDjOR8/data/b1bf8a618/c1299a4e62ee4e6695abe336f8910f46/FLAGb8b39d84d [2022-12-13 21:29:48,587 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/bin/uautomizer-uyxdKDjOR8/data/b1bf8a618/c1299a4e62ee4e6695abe336f8910f46 [2022-12-13 21:29:48,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:29:48,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:29:48,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:29:48,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:29:48,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:29:48,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:29:48" (1/1) ... [2022-12-13 21:29:48,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e27257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:48, skipping insertion in model container [2022-12-13 21:29:48,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:29:48" (1/1) ... [2022-12-13 21:29:48,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:29:48,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:29:48,763 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_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c[2567,2580] [2022-12-13 21:29:48,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:29:48,852 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:29:48,867 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_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c[2567,2580] [2022-12-13 21:29:48,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:29:48,914 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:29:48,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:48 WrapperNode [2022-12-13 21:29:48,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:29:48,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:29:48,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:29:48,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:29:48,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:48" (1/1) ... [2022-12-13 21:29:48,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:48" (1/1) ... [2022-12-13 21:29:48,949 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 55, calls inlined = 80, statements flattened = 511 [2022-12-13 21:29:48,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:29:48,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:29:48,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:29:48,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:29:48,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:48" (1/1) ... [2022-12-13 21:29:48,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:48" (1/1) ... [2022-12-13 21:29:48,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:48" (1/1) ... [2022-12-13 21:29:48,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:48" (1/1) ... [2022-12-13 21:29:48,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:48" (1/1) ... [2022-12-13 21:29:48,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:48" (1/1) ... [2022-12-13 21:29:48,967 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:48" (1/1) ... [2022-12-13 21:29:48,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:48" (1/1) ... [2022-12-13 21:29:48,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:29:48,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:29:48,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:29:48,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:29:48,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:48" (1/1) ... [2022-12-13 21:29:48,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:29:48,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:29:48,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:29:48,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 21:29:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:29:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:29:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:29:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:29:49,094 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:29:49,096 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:29:49,384 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:29:49,391 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:29:49,392 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 21:29:49,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:29:49 BoogieIcfgContainer [2022-12-13 21:29:49,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:29:49,395 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 21:29:49,395 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 21:29:49,399 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 21:29:49,399 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:29:49,399 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 09:29:48" (1/3) ... [2022-12-13 21:29:49,400 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17d42b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 09:29:49, skipping insertion in model container [2022-12-13 21:29:49,400 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:29:49,401 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:29:48" (2/3) ... [2022-12-13 21:29:49,401 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17d42b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 09:29:49, skipping insertion in model container [2022-12-13 21:29:49,401 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:29:49,401 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:29:49" (3/3) ... [2022-12-13 21:29:49,403 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2022-12-13 21:29:49,452 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 21:29:49,452 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 21:29:49,452 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 21:29:49,452 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 21:29:49,452 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 21:29:49,452 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 21:29:49,452 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 21:29:49,452 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 21:29:49,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.344155844155844) internal successors, (207), 154 states have internal predecessors, (207), 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 21:29:49,472 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2022-12-13 21:29:49,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:29:49,472 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:29:49,476 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:29:49,476 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 21:29:49,476 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 21:29:49,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.344155844155844) internal successors, (207), 154 states have internal predecessors, (207), 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 21:29:49,481 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2022-12-13 21:29:49,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:29:49,481 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:29:49,481 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:29:49,481 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 21:29:49,485 INFO L748 eck$LassoCheckResult]: Stem: 38#$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; 46#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 29#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 132#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; 112#valid_product_returnLabel#1true main_#t~ret7#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 148#L213true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 91#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 30#L918-2true [2022-12-13 21:29:49,486 INFO L750 eck$LassoCheckResult]: Loop: 30#L918-2true assume !false; 107#L919true assume test_~splverifierCounter~0#1 < 4; 143#L920true test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 80#L928true assume !(0 != test_~tmp~9#1); 25#L928-2true test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 136#L938true assume !(0 != test_~tmp___0~2#1); 118#L938-2true test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 9#L948true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 65#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 105#L956-2true assume { :begin_inline_timeShift } true; 39#L697true assume !(0 != ~pumpRunning~0); 5#L697-2true assume !(0 != ~systemActive~0); 86#L704-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 74#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 93#L61true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 135#L61-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 75#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 30#L918-2true [2022-12-13 21:29:49,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:29:49,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 21:29:49,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:29:49,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045341966] [2022-12-13 21:29:49,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:29:49,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:29:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:29:49,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:29:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:29:49,599 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:29:49,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:29:49,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1850086529, now seen corresponding path program 1 times [2022-12-13 21:29:49,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:29:49,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538692593] [2022-12-13 21:29:49,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:29:49,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:29:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:29:49,675 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 21:29:49,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:29:49,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538692593] [2022-12-13 21:29:49,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538692593] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:29:49,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:29:49,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:29:49,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564826245] [2022-12-13 21:29:49,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:29:49,681 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 21:29:49,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:29:49,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:29:49,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:29:49,710 INFO L87 Difference]: Start difference. First operand has 155 states, 154 states have (on average 1.344155844155844) internal successors, (207), 154 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:29:49,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:29:49,763 INFO L93 Difference]: Finished difference Result 295 states and 381 transitions. [2022-12-13 21:29:49,764 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 295 states and 381 transitions. [2022-12-13 21:29:49,767 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 192 [2022-12-13 21:29:49,771 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 295 states to 275 states and 360 transitions. [2022-12-13 21:29:49,772 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 275 [2022-12-13 21:29:49,773 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 275 [2022-12-13 21:29:49,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 275 states and 360 transitions. [2022-12-13 21:29:49,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:29:49,775 INFO L218 hiAutomatonCegarLoop]: Abstraction has 275 states and 360 transitions. [2022-12-13 21:29:49,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states and 360 transitions. [2022-12-13 21:29:49,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 272. [2022-12-13 21:29:49,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 272 states have (on average 1.3088235294117647) internal successors, (356), 271 states have internal predecessors, (356), 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 21:29:49,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 356 transitions. [2022-12-13 21:29:49,812 INFO L240 hiAutomatonCegarLoop]: Abstraction has 272 states and 356 transitions. [2022-12-13 21:29:49,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:29:49,816 INFO L428 stractBuchiCegarLoop]: Abstraction has 272 states and 356 transitions. [2022-12-13 21:29:49,816 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 21:29:49,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 272 states and 356 transitions. [2022-12-13 21:29:49,818 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 189 [2022-12-13 21:29:49,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:29:49,819 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:29:49,819 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:29:49,819 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 21:29:49,820 INFO L748 eck$LassoCheckResult]: Stem: 517#$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; 518#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 507#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 508#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; 593#valid_product_returnLabel#1 main_#t~ret7#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 594#L213 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 575#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 509#L918-2 [2022-12-13 21:29:49,820 INFO L750 eck$LassoCheckResult]: Loop: 509#L918-2 assume !false; 510#L919 assume test_~splverifierCounter~0#1 < 4; 590#L920 test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 569#L928 assume !(0 != test_~tmp~9#1); 498#L928-2 test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 499#L938 assume !(0 != test_~tmp___0~2#1); 547#L938-2 test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 470#L948 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 471#L956 assume !(0 != test_~tmp___1~0#1); 555#L956-2 assume { :begin_inline_timeShift } true; 519#L697 assume !(0 != ~pumpRunning~0); 461#L697-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 462#L755 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret36#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 505#L729-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 459#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 460#L729-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 539#L755-1 assume { :end_inline_processEnvironment } true; 570#L704-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 562#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 563#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 578#L61-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 564#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 509#L918-2 [2022-12-13 21:29:49,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:29:49,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 21:29:49,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:29:49,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197127407] [2022-12-13 21:29:49,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:29:49,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:29:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:29:49,835 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:29:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:29:49,847 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:29:49,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:29:49,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1305334304, now seen corresponding path program 1 times [2022-12-13 21:29:49,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:29:49,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133289897] [2022-12-13 21:29:49,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:29:49,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:29:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:29:49,855 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:29:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:29:49,863 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:29:49,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:29:49,864 INFO L85 PathProgramCache]: Analyzing trace with hash -188491612, now seen corresponding path program 1 times [2022-12-13 21:29:49,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:29:49,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439717060] [2022-12-13 21:29:49,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:29:49,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:29:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:29:49,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:29:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:29:49,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:29:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:29:50,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:29:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:29:50,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 09:29:50 BoogieIcfgContainer [2022-12-13 21:29:50,621 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 21:29:50,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:29:50,621 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:29:50,621 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:29:50,622 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:29:49" (3/4) ... [2022-12-13 21:29:50,624 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 21:29:50,658 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:29:50,658 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:29:50,659 INFO L158 Benchmark]: Toolchain (without parser) took 2068.76ms. Allocated memory is still 130.0MB. Free memory was 96.5MB in the beginning and 83.4MB in the end (delta: 13.1MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-12-13 21:29:50,659 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 107.0MB. Free memory was 83.2MB in the beginning and 83.1MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:29:50,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.88ms. Allocated memory is still 130.0MB. Free memory was 96.5MB in the beginning and 77.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 21:29:50,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.35ms. Allocated memory is still 130.0MB. Free memory was 77.7MB in the beginning and 74.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:29:50,660 INFO L158 Benchmark]: Boogie Preprocessor took 20.37ms. Allocated memory is still 130.0MB. Free memory was 74.5MB in the beginning and 72.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:29:50,661 INFO L158 Benchmark]: RCFGBuilder took 423.12ms. Allocated memory is still 130.0MB. Free memory was 72.4MB in the beginning and 96.8MB in the end (delta: -24.3MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2022-12-13 21:29:50,661 INFO L158 Benchmark]: BuchiAutomizer took 1225.89ms. Allocated memory is still 130.0MB. Free memory was 96.8MB in the beginning and 86.5MB in the end (delta: 10.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-12-13 21:29:50,661 INFO L158 Benchmark]: Witness Printer took 36.94ms. Allocated memory is still 130.0MB. Free memory was 86.5MB in the beginning and 83.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:29:50,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 107.0MB. Free memory was 83.2MB in the beginning and 83.1MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.88ms. Allocated memory is still 130.0MB. Free memory was 96.5MB in the beginning and 77.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.35ms. Allocated memory is still 130.0MB. Free memory was 77.7MB in the beginning and 74.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.37ms. Allocated memory is still 130.0MB. Free memory was 74.5MB in the beginning and 72.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.12ms. Allocated memory is still 130.0MB. Free memory was 72.4MB in the beginning and 96.8MB in the end (delta: -24.3MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 1225.89ms. Allocated memory is still 130.0MB. Free memory was 96.8MB in the beginning and 86.5MB in the end (delta: 10.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Witness Printer took 36.94ms. Allocated memory is still 130.0MB. Free memory was 86.5MB in the beginning and 83.4MB 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 272 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 187 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 187 mSDsluCounter, 383 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 203 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 918]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L126] int cleanupTimeShifts = 4; [L231] int waterLevel = 1; [L232] int methaneLevelCritical = 0; [L489] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L690] int pumpRunning = 0; [L691] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L204] int retValue_acc ; [L205] int tmp ; [L209] FCALL select_helpers() [L210] FCALL select_features() [L211] CALL, EXPR valid_product() [L108] int retValue_acc ; [L111] retValue_acc = 1 [L112] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L211] RET, EXPR valid_product() [L211] tmp = valid_product() [L213] COND TRUE \read(tmp) [L215] FCALL setup() [L216] CALL runTest() [L198] CALL test() [L909] int splverifierCounter ; [L910] int tmp ; [L911] int tmp___0 ; [L912] int tmp___1 ; [L913] int tmp___2 ; [L916] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L918] COND TRUE 1 [L920] COND TRUE splverifierCounter < 4 [L926] tmp = __VERIFIER_nondet_int() [L928] COND FALSE !(\read(tmp)) [L936] tmp___0 = __VERIFIER_nondet_int() [L938] COND FALSE !(\read(tmp___0)) [L946] tmp___2 = __VERIFIER_nondet_int() [L948] COND FALSE !(\read(tmp___2)) [L954] tmp___1 = __VERIFIER_nondet_int() [L956] COND FALSE !(\read(tmp___1)) [L965] CALL timeShift() [L697] COND FALSE !(\read(pumpRunning)) [L704] COND TRUE \read(systemActive) [L706] CALL processEnvironment() [L752] int tmp ; [L755] COND FALSE !(\read(pumpRunning)) [L770] CALL processEnvironment__wrappee__methaneQuery() [L726] int tmp ; [L729] COND FALSE !(\read(pumpRunning)) [L744] FCALL processEnvironment__wrappee__base() [L770] RET processEnvironment__wrappee__methaneQuery() [L706] RET processEnvironment() [L712] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L302] int retValue_acc ; [L305] retValue_acc = waterLevel [L306] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L712] RET __utac_acc__Specification4_spec__1() [L965] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 918]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L126] int cleanupTimeShifts = 4; [L231] int waterLevel = 1; [L232] int methaneLevelCritical = 0; [L489] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L690] int pumpRunning = 0; [L691] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L204] int retValue_acc ; [L205] int tmp ; [L209] FCALL select_helpers() [L210] FCALL select_features() [L211] CALL, EXPR valid_product() [L108] int retValue_acc ; [L111] retValue_acc = 1 [L112] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L211] RET, EXPR valid_product() [L211] tmp = valid_product() [L213] COND TRUE \read(tmp) [L215] FCALL setup() [L216] CALL runTest() [L198] CALL test() [L909] int splverifierCounter ; [L910] int tmp ; [L911] int tmp___0 ; [L912] int tmp___1 ; [L913] int tmp___2 ; [L916] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L918] COND TRUE 1 [L920] COND TRUE splverifierCounter < 4 [L926] tmp = __VERIFIER_nondet_int() [L928] COND FALSE !(\read(tmp)) [L936] tmp___0 = __VERIFIER_nondet_int() [L938] COND FALSE !(\read(tmp___0)) [L946] tmp___2 = __VERIFIER_nondet_int() [L948] COND FALSE !(\read(tmp___2)) [L954] tmp___1 = __VERIFIER_nondet_int() [L956] COND FALSE !(\read(tmp___1)) [L965] CALL timeShift() [L697] COND FALSE !(\read(pumpRunning)) [L704] COND TRUE \read(systemActive) [L706] CALL processEnvironment() [L752] int tmp ; [L755] COND FALSE !(\read(pumpRunning)) [L770] CALL processEnvironment__wrappee__methaneQuery() [L726] int tmp ; [L729] COND FALSE !(\read(pumpRunning)) [L744] FCALL processEnvironment__wrappee__base() [L770] RET processEnvironment__wrappee__methaneQuery() [L706] RET processEnvironment() [L712] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L302] int retValue_acc ; [L305] retValue_acc = waterLevel [L306] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L712] RET __utac_acc__Specification4_spec__1() [L965] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 21:29:50,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9b5b00-909f-416d-a850-f5e7f1dfddc0/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)