./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec83548e-aec5-4f25-8593-031e4278989a/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec83548e-aec5-4f25-8593-031e4278989a/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_ec83548e-aec5-4f25-8593-031e4278989a/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec83548e-aec5-4f25-8593-031e4278989a/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec83548e-aec5-4f25-8593-031e4278989a/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_ec83548e-aec5-4f25-8593-031e4278989a/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 cbf45a1115fd10e0de4fb28135afee6c1ce9b70ee1cd8750ed2615e2a15c1223 --- 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 11:08:43,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:08:43,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:08:43,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:08:43,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:08:43,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:08:43,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:08:43,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:08:43,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:08:43,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:08:43,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:08:43,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:08:43,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:08:43,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:08:43,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:08:43,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:08:43,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:08:43,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:08:43,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:08:43,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:08:43,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:08:43,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:08:43,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:08:43,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:08:43,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:08:43,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:08:43,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:08:43,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:08:43,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:08:43,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:08:43,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:08:43,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:08:43,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:08:43,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:08:43,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:08:43,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:08:43,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:08:43,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:08:43,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:08:43,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:08:43,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:08:43,159 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec83548e-aec5-4f25-8593-031e4278989a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 11:08:43,173 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:08:43,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:08:43,173 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:08:43,173 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:08:43,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:08:43,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:08:43,180 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:08:43,180 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 11:08:43,180 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 11:08:43,181 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 11:08:43,181 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 11:08:43,181 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 11:08:43,181 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 11:08:43,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:08:43,182 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:08:43,182 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:08:43,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:08:43,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:08:43,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:08:43,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 11:08:43,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 11:08:43,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 11:08:43,183 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:08:43,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:08:43,183 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 11:08:43,183 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:08:43,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 11:08:43,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:08:43,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:08:43,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:08:43,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:08:43,185 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 11:08:43,185 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_ec83548e-aec5-4f25-8593-031e4278989a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec83548e-aec5-4f25-8593-031e4278989a/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbf45a1115fd10e0de4fb28135afee6c1ce9b70ee1cd8750ed2615e2a15c1223 [2022-12-13 11:08:43,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:08:43,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:08:43,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:08:43,374 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:08:43,374 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:08:43,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec83548e-aec5-4f25-8593-031e4278989a/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c [2022-12-13 11:08:45,952 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:08:46,165 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:08:46,165 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec83548e-aec5-4f25-8593-031e4278989a/sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c [2022-12-13 11:08:46,172 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec83548e-aec5-4f25-8593-031e4278989a/bin/uautomizer-uyxdKDjOR8/data/0d7bd71f8/0e4f54e225224c5b84a3de8dc626eb36/FLAGf9d61121c [2022-12-13 11:08:46,531 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec83548e-aec5-4f25-8593-031e4278989a/bin/uautomizer-uyxdKDjOR8/data/0d7bd71f8/0e4f54e225224c5b84a3de8dc626eb36 [2022-12-13 11:08:46,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:08:46,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:08:46,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:08:46,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:08:46,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:08:46,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:08:46" (1/1) ... [2022-12-13 11:08:46,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a1ef46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:46, skipping insertion in model container [2022-12-13 11:08:46,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:08:46" (1/1) ... [2022-12-13 11:08:46,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:08:46,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:08:46,716 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_ec83548e-aec5-4f25-8593-031e4278989a/sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c[12671,12684] [2022-12-13 11:08:46,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:08:46,741 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:08:46,775 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_ec83548e-aec5-4f25-8593-031e4278989a/sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c[12671,12684] [2022-12-13 11:08:46,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:08:46,795 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:08:46,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:46 WrapperNode [2022-12-13 11:08:46,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:08:46,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:08:46,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:08:46,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:08:46,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:46" (1/1) ... [2022-12-13 11:08:46,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:46" (1/1) ... [2022-12-13 11:08:46,829 INFO L138 Inliner]: procedures = 52, calls = 94, calls flagged for inlining = 47, calls inlined = 50, statements flattened = 354 [2022-12-13 11:08:46,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:08:46,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:08:46,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:08:46,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:08:46,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:46" (1/1) ... [2022-12-13 11:08:46,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:46" (1/1) ... [2022-12-13 11:08:46,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:46" (1/1) ... [2022-12-13 11:08:46,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:46" (1/1) ... [2022-12-13 11:08:46,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:46" (1/1) ... [2022-12-13 11:08:46,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:46" (1/1) ... [2022-12-13 11:08:46,846 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:46" (1/1) ... [2022-12-13 11:08:46,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:46" (1/1) ... [2022-12-13 11:08:46,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:08:46,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:08:46,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:08:46,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:08:46,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:46" (1/1) ... [2022-12-13 11:08:46,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:08:46,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec83548e-aec5-4f25-8593-031e4278989a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:08:46,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec83548e-aec5-4f25-8593-031e4278989a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:08:46,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec83548e-aec5-4f25-8593-031e4278989a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 11:08:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:08:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:08:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:08:46,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:08:46,973 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:08:46,975 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:08:47,204 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:08:47,210 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:08:47,210 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 11:08:47,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:08:47 BoogieIcfgContainer [2022-12-13 11:08:47,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:08:47,213 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 11:08:47,213 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 11:08:47,215 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 11:08:47,216 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:08:47,216 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 11:08:46" (1/3) ... [2022-12-13 11:08:47,217 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ece38a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:08:47, skipping insertion in model container [2022-12-13 11:08:47,217 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:08:47,217 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:46" (2/3) ... [2022-12-13 11:08:47,217 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ece38a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:08:47, skipping insertion in model container [2022-12-13 11:08:47,217 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:08:47,217 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:08:47" (3/3) ... [2022-12-13 11:08:47,219 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product17.cil.c [2022-12-13 11:08:47,258 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 11:08:47,258 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 11:08:47,258 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 11:08:47,258 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 11:08:47,258 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 11:08:47,259 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 11:08:47,259 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 11:08:47,259 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 11:08:47,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 107 states have internal predecessors, (147), 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 11:08:47,278 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2022-12-13 11:08:47,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:08:47,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:08:47,283 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:08:47,283 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:08:47,283 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 11:08:47,284 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 107 states have internal predecessors, (147), 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 11:08:47,287 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2022-12-13 11:08:47,287 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:08:47,287 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:08:47,288 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:08:47,288 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:08:47,292 INFO L748 eck$LassoCheckResult]: Stem: 21#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 30#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 16#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 87#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 76#valid_product_returnLabel#1true main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 83#L830true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 58#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 11#L533-2true [2022-12-13 11:08:47,292 INFO L750 eck$LassoCheckResult]: Loop: 11#L533-2true assume !false; 74#L534true assume test_~splverifierCounter~0#1 < 4; 73#L535true test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 37#L543true assume !(0 != test_~tmp~3#1); 101#L543-2true test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 64#L553true assume !(0 != test_~tmp___0~0#1); 63#L553-2true test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 51#L563true assume 0 != test_~tmp___2~0#1; 65#L569-2true assume { :begin_inline_timeShift } true; 84#L600true assume !(0 != ~pumpRunning~0); 89#L600-2true assume !(0 != ~systemActive~0); 36#L607-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 99#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 12#L888true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1; 45#L894-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 50#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 11#L533-2true [2022-12-13 11:08:47,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:08:47,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 11:08:47,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:08:47,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596878554] [2022-12-13 11:08:47,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:08:47,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:08:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:08:47,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:08:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:08:47,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:08:47,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:08:47,397 INFO L85 PathProgramCache]: Analyzing trace with hash -828899402, now seen corresponding path program 1 times [2022-12-13 11:08:47,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:08:47,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466093592] [2022-12-13 11:08:47,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:08:47,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:08:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:08:47,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:08:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:08:47,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:08:47,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:08:47,412 INFO L85 PathProgramCache]: Analyzing trace with hash 526519674, now seen corresponding path program 1 times [2022-12-13 11:08:47,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:08:47,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100045673] [2022-12-13 11:08:47,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:08:47,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:08:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:08:47,549 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 11:08:47,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:08:47,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100045673] [2022-12-13 11:08:47,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100045673] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:08:47,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:08:47,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:08:47,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664906872] [2022-12-13 11:08:47,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:08:47,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:08:47,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:08:47,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:08:47,676 INFO L87 Difference]: Start difference. First operand has 108 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 107 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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 11:08:47,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:08:47,721 INFO L93 Difference]: Finished difference Result 105 states and 133 transitions. [2022-12-13 11:08:47,722 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 105 states and 133 transitions. [2022-12-13 11:08:47,724 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-12-13 11:08:47,727 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 105 states to 95 states and 123 transitions. [2022-12-13 11:08:47,728 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2022-12-13 11:08:47,728 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2022-12-13 11:08:47,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 123 transitions. [2022-12-13 11:08:47,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:08:47,729 INFO L218 hiAutomatonCegarLoop]: Abstraction has 95 states and 123 transitions. [2022-12-13 11:08:47,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 123 transitions. [2022-12-13 11:08:47,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-12-13 11:08:47,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 95 states have (on average 1.2947368421052632) internal successors, (123), 94 states have internal predecessors, (123), 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 11:08:47,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 123 transitions. [2022-12-13 11:08:47,751 INFO L240 hiAutomatonCegarLoop]: Abstraction has 95 states and 123 transitions. [2022-12-13 11:08:47,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:08:47,755 INFO L428 stractBuchiCegarLoop]: Abstraction has 95 states and 123 transitions. [2022-12-13 11:08:47,755 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 11:08:47,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 123 transitions. [2022-12-13 11:08:47,756 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-12-13 11:08:47,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:08:47,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:08:47,757 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:08:47,757 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] [2022-12-13 11:08:47,757 INFO L748 eck$LassoCheckResult]: Stem: 296#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 297#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 285#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 286#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 280#valid_product_returnLabel#1 main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 281#L830 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 233#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 234#L533-2 [2022-12-13 11:08:47,757 INFO L750 eck$LassoCheckResult]: Loop: 234#L533-2 assume !false; 269#L534 assume test_~splverifierCounter~0#1 < 4; 272#L535 test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 273#L543 assume !(0 != test_~tmp~3#1); 287#L543-2 test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 249#L553 assume !(0 != test_~tmp___0~0#1); 244#L553-2 test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 245#L563 assume 0 != test_~tmp___2~0#1; 254#L569-2 assume { :begin_inline_timeShift } true; 255#L600 assume !(0 != ~pumpRunning~0); 303#L600-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 291#L632 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 240#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 241#L632-1 assume { :end_inline_processEnvironment } true; 283#L607-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 314#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 274#L888 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1; 275#L894-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 321#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 234#L533-2 [2022-12-13 11:08:47,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:08:47,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 11:08:47,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:08:47,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712391336] [2022-12-13 11:08:47,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:08:47,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:08:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:08:47,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:08:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:08:47,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:08:47,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:08:47,772 INFO L85 PathProgramCache]: Analyzing trace with hash -646847051, now seen corresponding path program 1 times [2022-12-13 11:08:47,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:08:47,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348305326] [2022-12-13 11:08:47,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:08:47,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:08:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:08:47,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:08:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:08:47,782 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:08:47,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:08:47,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1655296369, now seen corresponding path program 1 times [2022-12-13 11:08:47,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:08:47,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460777486] [2022-12-13 11:08:47,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:08:47,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:08:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:08:47,858 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 11:08:47,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:08:47,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460777486] [2022-12-13 11:08:47,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460777486] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:08:47,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:08:47,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:08:47,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914374388] [2022-12-13 11:08:47,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:08:47,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:08:47,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:08:47,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:08:47,932 INFO L87 Difference]: Start difference. First operand 95 states and 123 transitions. cyclomatic complexity: 30 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:08:48,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:08:48,014 INFO L93 Difference]: Finished difference Result 337 states and 441 transitions. [2022-12-13 11:08:48,014 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 337 states and 441 transitions. [2022-12-13 11:08:48,019 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 239 [2022-12-13 11:08:48,021 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 337 states to 337 states and 441 transitions. [2022-12-13 11:08:48,022 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 337 [2022-12-13 11:08:48,022 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 337 [2022-12-13 11:08:48,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 337 states and 441 transitions. [2022-12-13 11:08:48,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:08:48,024 INFO L218 hiAutomatonCegarLoop]: Abstraction has 337 states and 441 transitions. [2022-12-13 11:08:48,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states and 441 transitions. [2022-12-13 11:08:48,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 183. [2022-12-13 11:08:48,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 183 states have (on average 1.284153005464481) internal successors, (235), 182 states have internal predecessors, (235), 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 11:08:48,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 235 transitions. [2022-12-13 11:08:48,037 INFO L240 hiAutomatonCegarLoop]: Abstraction has 183 states and 235 transitions. [2022-12-13 11:08:48,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 11:08:48,038 INFO L428 stractBuchiCegarLoop]: Abstraction has 183 states and 235 transitions. [2022-12-13 11:08:48,038 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 11:08:48,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 183 states and 235 transitions. [2022-12-13 11:08:48,039 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2022-12-13 11:08:48,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:08:48,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:08:48,040 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:08:48,040 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:08:48,041 INFO L748 eck$LassoCheckResult]: Stem: 747#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 748#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 735#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 736#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 730#valid_product_returnLabel#1 main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 731#L830 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 683#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 684#L533-2 [2022-12-13 11:08:48,041 INFO L750 eck$LassoCheckResult]: Loop: 684#L533-2 assume !false; 719#L534 assume test_~splverifierCounter~0#1 < 4; 722#L535 test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 723#L543 assume !(0 != test_~tmp~3#1); 740#L543-2 test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 699#L553 assume !(0 != test_~tmp___0~0#1); 694#L553-2 test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 695#L563 assume 0 != test_~tmp___2~0#1; 704#L569-2 assume { :begin_inline_timeShift } true; 705#L600 assume !(0 != ~pumpRunning~0); 754#L600-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 741#L632 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 690#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 691#L632-1 assume { :end_inline_processEnvironment } true; 733#L607-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 770#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 724#L888 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7#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; 725#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret50#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1; 788#L894 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1); 783#L894-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 784#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 684#L533-2 [2022-12-13 11:08:48,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:08:48,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-12-13 11:08:48,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:08:48,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388193952] [2022-12-13 11:08:48,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:08:48,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:08:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:08:48,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:08:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:08:48,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:08:48,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:08:48,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1151493224, now seen corresponding path program 1 times [2022-12-13 11:08:48,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:08:48,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078807010] [2022-12-13 11:08:48,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:08:48,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:08:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:08:48,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:08:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:08:48,067 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:08:48,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:08:48,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1603162404, now seen corresponding path program 1 times [2022-12-13 11:08:48,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:08:48,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215059885] [2022-12-13 11:08:48,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:08:48,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:08:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:08:48,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:08:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:08:48,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:08:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:08:48,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:08:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:08:48,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 11:08:48 BoogieIcfgContainer [2022-12-13 11:08:48,756 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 11:08:48,756 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:08:48,756 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:08:48,757 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:08:48,757 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:08:47" (3/4) ... [2022-12-13 11:08:48,759 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 11:08:48,799 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec83548e-aec5-4f25-8593-031e4278989a/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:08:48,799 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:08:48,800 INFO L158 Benchmark]: Toolchain (without parser) took 2265.50ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 85.6MB in the beginning and 73.6MB in the end (delta: 12.1MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2022-12-13 11:08:48,800 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:08:48,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.91ms. Allocated memory is still 119.5MB. Free memory was 85.3MB in the beginning and 67.4MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 11:08:48,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.63ms. Allocated memory is still 119.5MB. Free memory was 67.4MB in the beginning and 64.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:08:48,801 INFO L158 Benchmark]: Boogie Preprocessor took 19.25ms. Allocated memory is still 119.5MB. Free memory was 64.7MB in the beginning and 62.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:08:48,801 INFO L158 Benchmark]: RCFGBuilder took 362.57ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 62.9MB in the beginning and 123.2MB in the end (delta: -60.3MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2022-12-13 11:08:48,801 INFO L158 Benchmark]: BuchiAutomizer took 1543.41ms. Allocated memory is still 157.3MB. Free memory was 123.2MB in the beginning and 75.6MB in the end (delta: 47.6MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2022-12-13 11:08:48,802 INFO L158 Benchmark]: Witness Printer took 42.78ms. Allocated memory is still 157.3MB. Free memory was 75.6MB in the beginning and 73.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:08:48,804 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.91ms. Allocated memory is still 119.5MB. Free memory was 85.3MB in the beginning and 67.4MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.63ms. Allocated memory is still 119.5MB. Free memory was 67.4MB in the beginning and 64.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.25ms. Allocated memory is still 119.5MB. Free memory was 64.7MB in the beginning and 62.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 362.57ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 62.9MB in the beginning and 123.2MB in the end (delta: -60.3MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 1543.41ms. Allocated memory is still 157.3MB. Free memory was 123.2MB in the beginning and 75.6MB in the end (delta: 47.6MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Witness Printer took 42.78ms. Allocated memory is still 157.3MB. Free memory was 75.6MB in the beginning and 73.6MB 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 6 locations. The remainder module has 183 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 154 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, 831 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 831 mSDsluCounter, 858 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 554 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 304 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 533]: 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; [L592] int pumpRunning = 0; [L593] int systemActive = 1; [L745] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L821] int retValue_acc ; [L822] int tmp ; [L826] FCALL select_helpers() [L827] FCALL select_features() [L828] CALL, EXPR valid_product() [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L828] RET, EXPR valid_product() [L828] tmp = valid_product() [L830] COND TRUE \read(tmp) [L832] FCALL setup() [L833] CALL runTest() [L812] CALL test() [L524] int splverifierCounter ; [L525] int tmp ; [L526] int tmp___0 ; [L527] int tmp___1 ; [L528] int tmp___2 ; [L531] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L533] COND TRUE 1 [L535] COND TRUE splverifierCounter < 4 [L541] tmp = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp)) [L551] tmp___0 = __VERIFIER_nondet_int() [L553] COND FALSE !(\read(tmp___0)) [L561] tmp___2 = __VERIFIER_nondet_int() [L563] COND TRUE \read(tmp___2) [L576] CALL timeShift() [L600] COND FALSE !(\read(pumpRunning)) [L607] COND TRUE \read(systemActive) [L609] CALL processEnvironment() [L629] int tmp ; [L632] COND FALSE !(\read(pumpRunning)) [L647] FCALL processEnvironment__wrappee__base() [L609] RET processEnvironment() [L615] CALL __utac_acc__Specification3_spec__1() [L880] int tmp ; [L881] int tmp___0 ; [L882] int tmp___1 ; [L886] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L886] RET, EXPR isMethaneLevelCritical() [L886] tmp = isMethaneLevelCritical() [L888] COND FALSE !(\read(tmp)) [L892] CALL, EXPR getWaterLevel() [L494] int retValue_acc ; [L497] retValue_acc = waterLevel [L498] return (retValue_acc); [L892] RET, EXPR getWaterLevel() [L892] tmp___0 = getWaterLevel() [L894] COND FALSE !(tmp___0 == 2) [L615] RET __utac_acc__Specification3_spec__1() [L576] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 533]: 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; [L592] int pumpRunning = 0; [L593] int systemActive = 1; [L745] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L821] int retValue_acc ; [L822] int tmp ; [L826] FCALL select_helpers() [L827] FCALL select_features() [L828] CALL, EXPR valid_product() [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L828] RET, EXPR valid_product() [L828] tmp = valid_product() [L830] COND TRUE \read(tmp) [L832] FCALL setup() [L833] CALL runTest() [L812] CALL test() [L524] int splverifierCounter ; [L525] int tmp ; [L526] int tmp___0 ; [L527] int tmp___1 ; [L528] int tmp___2 ; [L531] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L533] COND TRUE 1 [L535] COND TRUE splverifierCounter < 4 [L541] tmp = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp)) [L551] tmp___0 = __VERIFIER_nondet_int() [L553] COND FALSE !(\read(tmp___0)) [L561] tmp___2 = __VERIFIER_nondet_int() [L563] COND TRUE \read(tmp___2) [L576] CALL timeShift() [L600] COND FALSE !(\read(pumpRunning)) [L607] COND TRUE \read(systemActive) [L609] CALL processEnvironment() [L629] int tmp ; [L632] COND FALSE !(\read(pumpRunning)) [L647] FCALL processEnvironment__wrappee__base() [L609] RET processEnvironment() [L615] CALL __utac_acc__Specification3_spec__1() [L880] int tmp ; [L881] int tmp___0 ; [L882] int tmp___1 ; [L886] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L886] RET, EXPR isMethaneLevelCritical() [L886] tmp = isMethaneLevelCritical() [L888] COND FALSE !(\read(tmp)) [L892] CALL, EXPR getWaterLevel() [L494] int retValue_acc ; [L497] retValue_acc = waterLevel [L498] return (retValue_acc); [L892] RET, EXPR getWaterLevel() [L892] tmp___0 = getWaterLevel() [L894] COND FALSE !(tmp___0 == 2) [L615] RET __utac_acc__Specification3_spec__1() [L576] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 11:08:48,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec83548e-aec5-4f25-8593-031e4278989a/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)