./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 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_46d8472f-d4d3-4df9-92fe-296e109e0f94/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d8472f-d4d3-4df9-92fe-296e109e0f94/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d8472f-d4d3-4df9-92fe-296e109e0f94/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d8472f-d4d3-4df9-92fe-296e109e0f94/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d8472f-d4d3-4df9-92fe-296e109e0f94/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d8472f-d4d3-4df9-92fe-296e109e0f94/bin/uautomizer-vX5HgA9Q3a --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 61c2d7b2f53adc3803e4e62ab44daa78f4a9bdf9ba37b58d516bb40a6cc23cc6 --- 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-b5237d8 [2022-11-21 13:55:32,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:55:32,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:55:32,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:55:32,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:55:32,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:55:32,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:55:32,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:55:32,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:55:32,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:55:32,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:55:32,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:55:32,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:55:32,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:55:32,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:55:32,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:55:32,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:55:32,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:55:32,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:55:32,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:55:32,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:55:32,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:55:32,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:55:32,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:55:32,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:55:32,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:55:32,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:55:32,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:55:32,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:55:32,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:55:32,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:55:32,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:55:32,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:55:32,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:55:32,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:55:32,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:55:32,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:55:32,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:55:32,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:55:32,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:55:32,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:55:32,934 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d8472f-d4d3-4df9-92fe-296e109e0f94/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-21 13:55:32,980 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:55:32,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:55:32,981 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:55:32,981 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:55:32,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:55:32,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:55:32,983 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:55:32,983 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 13:55:32,984 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 13:55:32,984 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 13:55:32,984 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 13:55:32,985 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 13:55:32,985 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 13:55:32,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:55:32,986 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 13:55:32,986 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 13:55:32,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 13:55:32,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 13:55:32,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:55:32,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 13:55:32,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 13:55:32,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 13:55:32,988 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 13:55:32,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:55:32,988 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 13:55:32,989 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:55:32,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 13:55:32,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:55:32,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:55:32,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:55:32,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 13:55:32,992 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 13:55:32,992 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_46d8472f-d4d3-4df9-92fe-296e109e0f94/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d8472f-d4d3-4df9-92fe-296e109e0f94/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61c2d7b2f53adc3803e4e62ab44daa78f4a9bdf9ba37b58d516bb40a6cc23cc6 [2022-11-21 13:55:33,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:55:33,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:55:33,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:55:33,396 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:55:33,397 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:55:33,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d8472f-d4d3-4df9-92fe-296e109e0f94/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c [2022-11-21 13:55:36,919 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 13:55:37,223 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 13:55:37,224 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d8472f-d4d3-4df9-92fe-296e109e0f94/sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c [2022-11-21 13:55:37,239 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d8472f-d4d3-4df9-92fe-296e109e0f94/bin/uautomizer-vX5HgA9Q3a/data/baf12c565/993fc78590744c78aa525b25a233de7e/FLAG0c31617fa [2022-11-21 13:55:37,257 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d8472f-d4d3-4df9-92fe-296e109e0f94/bin/uautomizer-vX5HgA9Q3a/data/baf12c565/993fc78590744c78aa525b25a233de7e [2022-11-21 13:55:37,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 13:55:37,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 13:55:37,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 13:55:37,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 13:55:37,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 13:55:37,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:55:37" (1/1) ... [2022-11-21 13:55:37,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29bbce5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:37, skipping insertion in model container [2022-11-21 13:55:37,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:55:37" (1/1) ... [2022-11-21 13:55:37,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 13:55:37,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 13:55:37,633 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_46d8472f-d4d3-4df9-92fe-296e109e0f94/sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c[13937,13950] [2022-11-21 13:55:37,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:55:37,695 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 13:55:37,832 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_46d8472f-d4d3-4df9-92fe-296e109e0f94/sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c[13937,13950] [2022-11-21 13:55:37,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:55:37,881 INFO L208 MainTranslator]: Completed translation [2022-11-21 13:55:37,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:37 WrapperNode [2022-11-21 13:55:37,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 13:55:37,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 13:55:37,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 13:55:37,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 13:55:37,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:37" (1/1) ... [2022-11-21 13:55:37,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:37" (1/1) ... [2022-11-21 13:55:37,991 INFO L138 Inliner]: procedures = 56, calls = 99, calls flagged for inlining = 52, calls inlined = 57, statements flattened = 371 [2022-11-21 13:55:37,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 13:55:37,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 13:55:37,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 13:55:37,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 13:55:38,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:37" (1/1) ... [2022-11-21 13:55:38,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:37" (1/1) ... [2022-11-21 13:55:38,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:37" (1/1) ... [2022-11-21 13:55:38,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:37" (1/1) ... [2022-11-21 13:55:38,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:37" (1/1) ... [2022-11-21 13:55:38,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:37" (1/1) ... [2022-11-21 13:55:38,027 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:37" (1/1) ... [2022-11-21 13:55:38,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:37" (1/1) ... [2022-11-21 13:55:38,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 13:55:38,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 13:55:38,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 13:55:38,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 13:55:38,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:37" (1/1) ... [2022-11-21 13:55:38,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:55:38,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d8472f-d4d3-4df9-92fe-296e109e0f94/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:55:38,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d8472f-d4d3-4df9-92fe-296e109e0f94/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:55:38,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d8472f-d4d3-4df9-92fe-296e109e0f94/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 13:55:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 13:55:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 13:55:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 13:55:38,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 13:55:38,239 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 13:55:38,242 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 13:55:38,642 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 13:55:38,651 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 13:55:38,652 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 13:55:38,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:55:38 BoogieIcfgContainer [2022-11-21 13:55:38,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 13:55:38,661 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 13:55:38,661 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 13:55:38,666 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 13:55:38,667 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 13:55:38,668 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 01:55:37" (1/3) ... [2022-11-21 13:55:38,671 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e96458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 01:55:38, skipping insertion in model container [2022-11-21 13:55:38,671 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 13:55:38,672 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:37" (2/3) ... [2022-11-21 13:55:38,673 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e96458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 01:55:38, skipping insertion in model container [2022-11-21 13:55:38,673 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 13:55:38,673 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:55:38" (3/3) ... [2022-11-21 13:55:38,680 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product20.cil.c [2022-11-21 13:55:38,823 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 13:55:38,823 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 13:55:38,823 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 13:55:38,825 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 13:55:38,825 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 13:55:38,826 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 13:55:38,826 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 13:55:38,826 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 13:55:38,832 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 117 states, 116 states have (on average 1.353448275862069) internal successors, (157), 116 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,863 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2022-11-21 13:55:38,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 13:55:38,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 13:55:38,907 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:55:38,907 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] [2022-11-21 13:55:38,908 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 13:55:38,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 117 states, 116 states have (on average 1.353448275862069) internal successors, (157), 116 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:38,917 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2022-11-21 13:55:38,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 13:55:38,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 13:55:38,921 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:55:38,924 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] [2022-11-21 13:55:38,932 INFO L748 eck$LassoCheckResult]: Stem: 105#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 34#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~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 83#L588true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 113#L581true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 42#L596true 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; 43#L696true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 100#L671true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 35#L520true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 112#L722-2true [2022-11-21 13:55:38,933 INFO L750 eck$LassoCheckResult]: Loop: 112#L722-2true assume !false; 111#L723true assume test_~splverifierCounter~0#1 < 4; 20#L724true test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 29#L732true assume !(0 != test_~tmp~5#1); 94#L732-2true test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 33#L742true assume !(0 != test_~tmp___0~1#1); 72#L742-2true test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 64#L752true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 57#L957true assume { :end_inline_startSystem } true; 101#L760-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret32#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 45#L878true __utac_acc__Specification5_spec__2_#t~ret32#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret32#1;havoc __utac_acc__Specification5_spec__2_#t~ret32#1; 37#L530true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 36#L793true assume !(0 != ~pumpRunning~0); 62#L793-2true assume !(0 != ~systemActive~0); 104#L800-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret33#1, __utac_acc__Specification5_spec__3_#t~ret34#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~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 82#L498true __utac_acc__Specification5_spec__3_#t~ret33#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret33#1;havoc __utac_acc__Specification5_spec__3_#t~ret33#1; 75#L541true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); 63#L541-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 4#L810true assume { :end_inline_timeShift } true; 112#L722-2true [2022-11-21 13:55:38,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:38,946 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-21 13:55:38,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:38,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942321324] [2022-11-21 13:55:38,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:38,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:55:39,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:55:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:55:39,155 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 13:55:39,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:39,160 INFO L85 PathProgramCache]: Analyzing trace with hash 2121698635, now seen corresponding path program 1 times [2022-11-21 13:55:39,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:39,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017509437] [2022-11-21 13:55:39,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:39,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:39,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:39,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:39,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017509437] [2022-11-21 13:55:39,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017509437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:39,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:39,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 13:55:39,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588003999] [2022-11-21 13:55:39,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:39,292 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 13:55:39,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:39,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:55:39,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:55:39,336 INFO L87 Difference]: Start difference. First operand has 117 states, 116 states have (on average 1.353448275862069) internal successors, (157), 116 states have internal predecessors, (157), 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 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:39,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:55:39,416 INFO L93 Difference]: Finished difference Result 218 states and 280 transitions. [2022-11-21 13:55:39,418 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 218 states and 280 transitions. [2022-11-21 13:55:39,428 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 140 [2022-11-21 13:55:39,435 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 218 states to 198 states and 259 transitions. [2022-11-21 13:55:39,437 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 198 [2022-11-21 13:55:39,438 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 198 [2022-11-21 13:55:39,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 198 states and 259 transitions. [2022-11-21 13:55:39,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:39,440 INFO L218 hiAutomatonCegarLoop]: Abstraction has 198 states and 259 transitions. [2022-11-21 13:55:39,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states and 259 transitions. [2022-11-21 13:55:39,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 195. [2022-11-21 13:55:39,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 195 states have (on average 1.3076923076923077) internal successors, (255), 194 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:39,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 255 transitions. [2022-11-21 13:55:39,492 INFO L240 hiAutomatonCegarLoop]: Abstraction has 195 states and 255 transitions. [2022-11-21 13:55:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:55:39,506 INFO L428 stractBuchiCegarLoop]: Abstraction has 195 states and 255 transitions. [2022-11-21 13:55:39,506 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 13:55:39,506 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 195 states and 255 transitions. [2022-11-21 13:55:39,510 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 137 [2022-11-21 13:55:39,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 13:55:39,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 13:55:39,511 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:55:39,511 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] [2022-11-21 13:55:39,512 INFO L748 eck$LassoCheckResult]: Stem: 450#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 394#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~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 395#L588 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 439#L581 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 407#L596 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; 408#L696 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 409#L671 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 396#L520 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 347#L722-2 [2022-11-21 13:55:39,512 INFO L750 eck$LassoCheckResult]: Loop: 347#L722-2 assume !false; 472#L723 assume test_~splverifierCounter~0#1 < 4; 471#L724 test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 469#L732 assume !(0 != test_~tmp~5#1); 467#L732-2 test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 465#L742 assume !(0 != test_~tmp___0~1#1); 463#L742-2 test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 462#L752 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 421#L957 assume { :end_inline_startSystem } true; 416#L760-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret32#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 411#L878 __utac_acc__Specification5_spec__2_#t~ret32#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret32#1;havoc __utac_acc__Specification5_spec__2_#t~ret32#1; 400#L530 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 397#L793 assume !(0 != ~pumpRunning~0); 398#L793-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 425#L825 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 428#L817-1 assume { :end_inline_processEnvironment__wrappee__base } true; 370#L825-1 assume { :end_inline_processEnvironment } true; 371#L800-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret33#1, __utac_acc__Specification5_spec__3_#t~ret34#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~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 438#L498 __utac_acc__Specification5_spec__3_#t~ret33#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret33#1;havoc __utac_acc__Specification5_spec__3_#t~ret33#1; 435#L541 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); 380#L541-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 346#L810 assume { :end_inline_timeShift } true; 347#L722-2 [2022-11-21 13:55:39,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:39,513 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-21 13:55:39,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:39,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136588240] [2022-11-21 13:55:39,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:39,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:55:39,558 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:55:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:55:39,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 13:55:39,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:39,603 INFO L85 PathProgramCache]: Analyzing trace with hash -752998373, now seen corresponding path program 1 times [2022-11-21 13:55:39,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:39,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927473845] [2022-11-21 13:55:39,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:39,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:55:39,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:55:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:55:39,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 13:55:39,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:39,631 INFO L85 PathProgramCache]: Analyzing trace with hash -310786492, now seen corresponding path program 1 times [2022-11-21 13:55:39,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:39,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368222527] [2022-11-21 13:55:39,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:39,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:39,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:55:39,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:39,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368222527] [2022-11-21 13:55:39,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368222527] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:39,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:39,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 13:55:39,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083445467] [2022-11-21 13:55:39,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:40,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:40,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:55:40,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:55:40,244 INFO L87 Difference]: Start difference. First operand 195 states and 255 transitions. cyclomatic complexity: 63 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:40,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:55:40,472 INFO L93 Difference]: Finished difference Result 547 states and 713 transitions. [2022-11-21 13:55:40,472 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 547 states and 713 transitions. [2022-11-21 13:55:40,488 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 355 [2022-11-21 13:55:40,497 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 547 states to 547 states and 713 transitions. [2022-11-21 13:55:40,498 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 547 [2022-11-21 13:55:40,501 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 547 [2022-11-21 13:55:40,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 547 states and 713 transitions. [2022-11-21 13:55:40,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:55:40,507 INFO L218 hiAutomatonCegarLoop]: Abstraction has 547 states and 713 transitions. [2022-11-21 13:55:40,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states and 713 transitions. [2022-11-21 13:55:40,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 380. [2022-11-21 13:55:40,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 380 states have (on average 1.2947368421052632) internal successors, (492), 379 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:55:40,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 492 transitions. [2022-11-21 13:55:40,533 INFO L240 hiAutomatonCegarLoop]: Abstraction has 380 states and 492 transitions. [2022-11-21 13:55:40,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:55:40,535 INFO L428 stractBuchiCegarLoop]: Abstraction has 380 states and 492 transitions. [2022-11-21 13:55:40,535 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-21 13:55:40,535 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 380 states and 492 transitions. [2022-11-21 13:55:40,538 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 272 [2022-11-21 13:55:40,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 13:55:40,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 13:55:40,539 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:55:40,539 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:55:40,539 INFO L748 eck$LassoCheckResult]: Stem: 1224#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 1153#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~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1154#L588 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1207#L581 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 1169#L596 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; 1170#L696 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1171#L671 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1155#L520 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1156#L722-2 [2022-11-21 13:55:40,540 INFO L750 eck$LassoCheckResult]: Loop: 1156#L722-2 assume !false; 1407#L723 assume test_~splverifierCounter~0#1 < 4; 1406#L724 test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 1405#L732 assume !(0 != test_~tmp~5#1); 1215#L732-2 test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1151#L742 assume !(0 != test_~tmp___0~1#1); 1118#L742-2 test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 1189#L752 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1184#L957 assume { :end_inline_startSystem } true; 1179#L760-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret32#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 1173#L878 __utac_acc__Specification5_spec__2_#t~ret32#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret32#1;havoc __utac_acc__Specification5_spec__2_#t~ret32#1; 1160#L530 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1157#L793 assume !(0 != ~pumpRunning~0); 1158#L793-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1187#L825 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1417#L817-1 assume { :end_inline_processEnvironment__wrappee__base } true; 1412#L825-1 assume { :end_inline_processEnvironment } true; 1411#L800-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret33#1, __utac_acc__Specification5_spec__3_#t~ret34#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~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 1205#L498 __utac_acc__Specification5_spec__3_#t~ret33#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret33#1;havoc __utac_acc__Specification5_spec__3_#t~ret33#1; 1206#L541 assume 2 != __utac_acc__Specification5_spec__3_~tmp~3#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 1410#L878-1 __utac_acc__Specification5_spec__3_#t~ret34#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret34#1;havoc __utac_acc__Specification5_spec__3_#t~ret34#1; 1137#L545 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 1138#L541-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1188#L810 assume { :end_inline_timeShift } true; 1156#L722-2 [2022-11-21 13:55:40,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:40,541 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-21 13:55:40,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:40,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083060288] [2022-11-21 13:55:40,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:40,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:55:40,552 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:55:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:55:40,562 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 13:55:40,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:40,563 INFO L85 PathProgramCache]: Analyzing trace with hash -2096028970, now seen corresponding path program 1 times [2022-11-21 13:55:40,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:40,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934198530] [2022-11-21 13:55:40,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:40,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:55:40,572 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:55:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:55:40,580 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 13:55:40,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:40,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1962793663, now seen corresponding path program 1 times [2022-11-21 13:55:40,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:40,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485112541] [2022-11-21 13:55:40,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:40,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:55:40,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:55:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:55:40,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 13:55:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:55:42,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:55:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:55:42,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 01:55:42 BoogieIcfgContainer [2022-11-21 13:55:42,360 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 13:55:42,360 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 13:55:42,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 13:55:42,361 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 13:55:42,362 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:55:38" (3/4) ... [2022-11-21 13:55:42,366 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-21 13:55:42,463 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d8472f-d4d3-4df9-92fe-296e109e0f94/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 13:55:42,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 13:55:42,472 INFO L158 Benchmark]: Toolchain (without parser) took 5210.19ms. Allocated memory was 169.9MB in the beginning and 218.1MB in the end (delta: 48.2MB). Free memory was 121.1MB in the beginning and 110.5MB in the end (delta: 10.6MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2022-11-21 13:55:42,473 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 169.9MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 13:55:42,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.69ms. Allocated memory is still 169.9MB. Free memory was 120.8MB in the beginning and 102.7MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 13:55:42,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.28ms. Allocated memory is still 169.9MB. Free memory was 102.7MB in the beginning and 99.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 13:55:42,474 INFO L158 Benchmark]: Boogie Preprocessor took 38.73ms. Allocated memory is still 169.9MB. Free memory was 99.9MB in the beginning and 98.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 13:55:42,474 INFO L158 Benchmark]: RCFGBuilder took 625.26ms. Allocated memory is still 169.9MB. Free memory was 98.0MB in the beginning and 79.4MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 13:55:42,475 INFO L158 Benchmark]: BuchiAutomizer took 3698.81ms. Allocated memory was 169.9MB in the beginning and 218.1MB in the end (delta: 48.2MB). Free memory was 79.2MB in the beginning and 112.6MB in the end (delta: -33.4MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-11-21 13:55:42,475 INFO L158 Benchmark]: Witness Printer took 110.90ms. Allocated memory is still 218.1MB. Free memory was 112.6MB in the beginning and 110.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 13:55:42,477 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 169.9MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.69ms. Allocated memory is still 169.9MB. Free memory was 120.8MB in the beginning and 102.7MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.28ms. Allocated memory is still 169.9MB. Free memory was 102.7MB in the beginning and 99.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.73ms. Allocated memory is still 169.9MB. Free memory was 99.9MB in the beginning and 98.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 625.26ms. Allocated memory is still 169.9MB. Free memory was 98.0MB in the beginning and 79.4MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 3698.81ms. Allocated memory was 169.9MB in the beginning and 218.1MB in the end (delta: 48.2MB). Free memory was 79.2MB in the beginning and 112.6MB in the end (delta: -33.4MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 110.90ms. Allocated memory is still 218.1MB. Free memory was 112.6MB in the beginning and 110.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 380 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 170 StatesRemovedByMinimization, 2 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, 573 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 573 mSDsluCounter, 882 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 553 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 329 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 722]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L514] int switchedOnBeforeTS ; [L610] int cleanupTimeShifts = 4; [L783] int pumpRunning = 0; [L784] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L687] int retValue_acc ; [L688] int tmp ; [L692] FCALL select_helpers() [L693] FCALL select_features() [L694] CALL, EXPR valid_product() [L592] int retValue_acc ; [L595] retValue_acc = 1 [L596] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L694] RET, EXPR valid_product() [L694] tmp = valid_product() [L696] COND TRUE \read(tmp) [L698] FCALL setup() [L699] CALL runTest() [L680] CALL __utac_acc__Specification5_spec__1() [L519] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L680] RET __utac_acc__Specification5_spec__1() [L681] CALL test() [L713] int splverifierCounter ; [L714] int tmp ; [L715] int tmp___0 ; [L716] int tmp___1 ; [L717] int tmp___2 ; [L720] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L722] COND TRUE 1 [L724] COND TRUE splverifierCounter < 4 [L730] tmp = __VERIFIER_nondet_int() [L732] COND FALSE !(\read(tmp)) [L740] tmp___0 = __VERIFIER_nondet_int() [L742] COND FALSE !(\read(tmp___0)) [L750] tmp___2 = __VERIFIER_nondet_int() [L752] COND TRUE \read(tmp___2) [L754] CALL startSystem() [L956] systemActive = 1 [L754] RET startSystem() [L769] CALL timeShift() [L791] CALL __utac_acc__Specification5_spec__2() [L528] CALL, EXPR isPumpRunning() [L874] int retValue_acc ; [L877] retValue_acc = pumpRunning [L878] return (retValue_acc); [L528] RET, EXPR isPumpRunning() [L528] switchedOnBeforeTS = isPumpRunning() [L791] RET __utac_acc__Specification5_spec__2() [L793] COND FALSE !(\read(pumpRunning)) [L800] COND TRUE \read(systemActive) [L802] CALL processEnvironment() [L822] int tmp ; [L825] COND FALSE !(\read(pumpRunning)) [L840] FCALL processEnvironment__wrappee__base() [L802] RET processEnvironment() [L808] CALL __utac_acc__Specification5_spec__3() [L534] int tmp ; [L535] int tmp___0 ; [L539] CALL, EXPR getWaterLevel() [L494] int retValue_acc ; [L497] retValue_acc = waterLevel [L498] return (retValue_acc); [L539] RET, EXPR getWaterLevel() [L539] tmp = getWaterLevel() [L541] COND TRUE tmp != 2 [L543] CALL, EXPR isPumpRunning() [L874] int retValue_acc ; [L877] retValue_acc = pumpRunning [L878] return (retValue_acc); [L543] RET, EXPR isPumpRunning() [L543] tmp___0 = isPumpRunning() [L545] COND FALSE !(\read(tmp___0)) [L808] RET __utac_acc__Specification5_spec__3() [L769] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 722]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L514] int switchedOnBeforeTS ; [L610] int cleanupTimeShifts = 4; [L783] int pumpRunning = 0; [L784] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L687] int retValue_acc ; [L688] int tmp ; [L692] FCALL select_helpers() [L693] FCALL select_features() [L694] CALL, EXPR valid_product() [L592] int retValue_acc ; [L595] retValue_acc = 1 [L596] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L694] RET, EXPR valid_product() [L694] tmp = valid_product() [L696] COND TRUE \read(tmp) [L698] FCALL setup() [L699] CALL runTest() [L680] CALL __utac_acc__Specification5_spec__1() [L519] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L680] RET __utac_acc__Specification5_spec__1() [L681] CALL test() [L713] int splverifierCounter ; [L714] int tmp ; [L715] int tmp___0 ; [L716] int tmp___1 ; [L717] int tmp___2 ; [L720] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L722] COND TRUE 1 [L724] COND TRUE splverifierCounter < 4 [L730] tmp = __VERIFIER_nondet_int() [L732] COND FALSE !(\read(tmp)) [L740] tmp___0 = __VERIFIER_nondet_int() [L742] COND FALSE !(\read(tmp___0)) [L750] tmp___2 = __VERIFIER_nondet_int() [L752] COND TRUE \read(tmp___2) [L754] CALL startSystem() [L956] systemActive = 1 [L754] RET startSystem() [L769] CALL timeShift() [L791] CALL __utac_acc__Specification5_spec__2() [L528] CALL, EXPR isPumpRunning() [L874] int retValue_acc ; [L877] retValue_acc = pumpRunning [L878] return (retValue_acc); [L528] RET, EXPR isPumpRunning() [L528] switchedOnBeforeTS = isPumpRunning() [L791] RET __utac_acc__Specification5_spec__2() [L793] COND FALSE !(\read(pumpRunning)) [L800] COND TRUE \read(systemActive) [L802] CALL processEnvironment() [L822] int tmp ; [L825] COND FALSE !(\read(pumpRunning)) [L840] FCALL processEnvironment__wrappee__base() [L802] RET processEnvironment() [L808] CALL __utac_acc__Specification5_spec__3() [L534] int tmp ; [L535] int tmp___0 ; [L539] CALL, EXPR getWaterLevel() [L494] int retValue_acc ; [L497] retValue_acc = waterLevel [L498] return (retValue_acc); [L539] RET, EXPR getWaterLevel() [L539] tmp = getWaterLevel() [L541] COND TRUE tmp != 2 [L543] CALL, EXPR isPumpRunning() [L874] int retValue_acc ; [L877] retValue_acc = pumpRunning [L878] return (retValue_acc); [L543] RET, EXPR isPumpRunning() [L543] tmp___0 = isPumpRunning() [L545] COND FALSE !(\read(tmp___0)) [L808] RET __utac_acc__Specification5_spec__3() [L769] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 13:55:42,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46d8472f-d4d3-4df9-92fe-296e109e0f94/bin/uautomizer-vX5HgA9Q3a/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)