./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b 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_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/bin/uautomizer-TMbwUNV5ro --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 4a980eb28c166cc2413133a58258bd0330d7e4ef715989f4b0f1fe0e46631b0a --- 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-8393723 [2022-11-18 19:45:12,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:45:12,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:45:12,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:45:12,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:45:12,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:45:12,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:45:12,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:45:12,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:45:12,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:45:12,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:45:12,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:45:12,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:45:12,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:45:12,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:45:12,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:45:12,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:45:12,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:45:12,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:45:12,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:45:12,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:45:12,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:45:12,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:45:12,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:45:12,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:45:12,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:45:12,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:45:12,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:45:12,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:45:12,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:45:12,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:45:12,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:45:12,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:45:12,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:45:12,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:45:12,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:45:12,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:45:12,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:45:12,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:45:12,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:45:12,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:45:12,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 19:45:12,233 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:45:12,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:45:12,234 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:45:12,234 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:45:12,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:45:12,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:45:12,236 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:45:12,236 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 19:45:12,236 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 19:45:12,237 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 19:45:12,237 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 19:45:12,237 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 19:45:12,238 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 19:45:12,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:45:12,238 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:45:12,238 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:45:12,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:45:12,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:45:12,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:45:12,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 19:45:12,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 19:45:12,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 19:45:12,240 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:45:12,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:45:12,241 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 19:45:12,241 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:45:12,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 19:45:12,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:45:12,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:45:12,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:45:12,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:45:12,243 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 19:45:12,244 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_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a980eb28c166cc2413133a58258bd0330d7e4ef715989f4b0f1fe0e46631b0a [2022-11-18 19:45:12,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:45:12,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:45:12,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:45:12,546 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:45:12,546 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:45:12,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c [2022-11-18 19:45:12,640 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/bin/uautomizer-TMbwUNV5ro/data/57bbce602/add4a3cd57004869bf7130dbfc864ebe/FLAG282eefc0e [2022-11-18 19:45:13,146 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:45:13,151 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c [2022-11-18 19:45:13,171 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/bin/uautomizer-TMbwUNV5ro/data/57bbce602/add4a3cd57004869bf7130dbfc864ebe/FLAG282eefc0e [2022-11-18 19:45:13,480 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/bin/uautomizer-TMbwUNV5ro/data/57bbce602/add4a3cd57004869bf7130dbfc864ebe [2022-11-18 19:45:13,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:45:13,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:45:13,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:45:13,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:45:13,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:45:13,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:45:13" (1/1) ... [2022-11-18 19:45:13,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b1c04c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:45:13, skipping insertion in model container [2022-11-18 19:45:13,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:45:13" (1/1) ... [2022-11-18 19:45:13,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:45:13,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:45:13,923 WARN L234 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_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c[17788,17801] [2022-11-18 19:45:13,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:45:13,937 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:45:14,045 WARN L234 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_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c[17788,17801] [2022-11-18 19:45:14,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:45:14,069 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:45:14,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:45:14 WrapperNode [2022-11-18 19:45:14,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:45:14,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:45:14,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:45:14,073 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:45:14,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:45:14" (1/1) ... [2022-11-18 19:45:14,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:45:14" (1/1) ... [2022-11-18 19:45:14,135 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 48, calls inlined = 51, statements flattened = 357 [2022-11-18 19:45:14,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:45:14,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:45:14,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:45:14,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:45:14,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:45:14" (1/1) ... [2022-11-18 19:45:14,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:45:14" (1/1) ... [2022-11-18 19:45:14,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:45:14" (1/1) ... [2022-11-18 19:45:14,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:45:14" (1/1) ... [2022-11-18 19:45:14,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:45:14" (1/1) ... [2022-11-18 19:45:14,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:45:14" (1/1) ... [2022-11-18 19:45:14,164 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:45:14" (1/1) ... [2022-11-18 19:45:14,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:45:14" (1/1) ... [2022-11-18 19:45:14,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:45:14,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:45:14,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:45:14,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:45:14,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:45:14" (1/1) ... [2022-11-18 19:45:14,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:45:14,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:45:14,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:45:14,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 19:45:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:45:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:45:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:45:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:45:14,344 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:45:14,347 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:45:14,731 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:45:14,738 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:45:14,738 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 19:45:14,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:45:14 BoogieIcfgContainer [2022-11-18 19:45:14,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:45:14,742 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 19:45:14,742 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 19:45:14,747 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 19:45:14,747 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:45:14,748 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 07:45:13" (1/3) ... [2022-11-18 19:45:14,749 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@545a0160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:45:14, skipping insertion in model container [2022-11-18 19:45:14,749 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:45:14,749 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:45:14" (2/3) ... [2022-11-18 19:45:14,750 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@545a0160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:45:14, skipping insertion in model container [2022-11-18 19:45:14,762 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:45:14,763 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:45:14" (3/3) ... [2022-11-18 19:45:14,764 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product18.cil.c [2022-11-18 19:45:14,827 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 19:45:14,828 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 19:45:14,828 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 19:45:14,828 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 19:45:14,828 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 19:45:14,828 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 19:45:14,828 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 19:45:14,828 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 19:45:14,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 108 states have internal predecessors, (148), 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) [2022-11-18 19:45:14,861 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2022-11-18 19:45:14,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:45:14,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:45:14,869 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:45:14,869 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:45:14,869 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 19:45:14,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 108 states have internal predecessors, (148), 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) [2022-11-18 19:45:14,877 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2022-11-18 19:45:14,877 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:45:14,877 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:45:14,878 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:45:14,878 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:45:14,884 INFO L748 eck$LassoCheckResult]: Stem: 97#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;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 32#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 20#L868true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 24#L861true 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; 74#L876true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 47#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 93#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 40#L789-2true [2022-11-18 19:45:14,885 INFO L750 eck$LassoCheckResult]: Loop: 40#L789-2true assume !false; 59#L790true assume test_~splverifierCounter~0#1 < 4; 25#L791true test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 103#L799true assume !(0 != test_~tmp~6#1); 27#L799-2true test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 101#L809true assume !(0 != test_~tmp___0~1#1); 75#L809-2true test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 39#L819true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 13#L775true assume { :end_inline_startSystem } true; 87#L827-2true assume { :begin_inline_timeShift } true; 57#L626true assume !(0 != ~pumpRunning~0); 50#L626-2true assume !(0 != ~systemActive~0); 54#L633-1true 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~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 66#L202true __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; 61#L891true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1; 89#L897-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 28#L643true assume { :end_inline_timeShift } true; 40#L789-2true [2022-11-18 19:45:14,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:14,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-18 19:45:14,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:14,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885866839] [2022-11-18 19:45:14,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:14,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:45:14,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:45:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:45:15,034 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:45:15,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:15,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1147215923, now seen corresponding path program 1 times [2022-11-18 19:45:15,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:15,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273557037] [2022-11-18 19:45:15,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:15,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:15,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:15,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:15,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273557037] [2022-11-18 19:45:15,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273557037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:15,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:15,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:45:15,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773268467] [2022-11-18 19:45:15,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:15,188 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 19:45:15,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:15,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:45:15,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:45:15,240 INFO L87 Difference]: Start difference. First operand has 109 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 108 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:45:15,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:15,300 INFO L93 Difference]: Finished difference Result 106 states and 135 transitions. [2022-11-18 19:45:15,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 135 transitions. [2022-11-18 19:45:15,305 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-11-18 19:45:15,313 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 96 states and 124 transitions. [2022-11-18 19:45:15,317 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 96 [2022-11-18 19:45:15,317 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 96 [2022-11-18 19:45:15,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 96 states and 124 transitions. [2022-11-18 19:45:15,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:45:15,319 INFO L218 hiAutomatonCegarLoop]: Abstraction has 96 states and 124 transitions. [2022-11-18 19:45:15,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states and 124 transitions. [2022-11-18 19:45:15,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-18 19:45:15,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 96 states have (on average 1.2916666666666667) internal successors, (124), 95 states have internal predecessors, (124), 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) [2022-11-18 19:45:15,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 124 transitions. [2022-11-18 19:45:15,347 INFO L240 hiAutomatonCegarLoop]: Abstraction has 96 states and 124 transitions. [2022-11-18 19:45:15,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:45:15,352 INFO L428 stractBuchiCegarLoop]: Abstraction has 96 states and 124 transitions. [2022-11-18 19:45:15,353 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 19:45:15,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states and 124 transitions. [2022-11-18 19:45:15,354 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-11-18 19:45:15,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:45:15,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:45:15,355 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:45:15,356 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] [2022-11-18 19:45:15,356 INFO L748 eck$LassoCheckResult]: Stem: 314#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;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 305#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 283#L868 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 284#L861 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; 279#L876 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 280#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 310#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 295#L789-2 [2022-11-18 19:45:15,356 INFO L750 eck$LassoCheckResult]: Loop: 295#L789-2 assume !false; 231#L790 assume test_~splverifierCounter~0#1 < 4; 232#L791 test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 289#L799 assume !(0 != test_~tmp~6#1); 292#L799-2 test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 293#L809 assume !(0 != test_~tmp___0~1#1); 277#L809-2 test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 278#L819 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 260#L775 assume { :end_inline_startSystem } true; 261#L827-2 assume { :begin_inline_timeShift } true; 224#L626 assume !(0 != ~pumpRunning~0); 225#L626-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 273#L658 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 254#L650-1 assume { :end_inline_processEnvironment__wrappee__base } true; 242#L658-1 assume { :end_inline_processEnvironment } true; 243#L633-1 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~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 259#L202 __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; 238#L891 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1; 239#L897-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 294#L643 assume { :end_inline_timeShift } true; 295#L789-2 [2022-11-18 19:45:15,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:15,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-18 19:45:15,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:15,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061457015] [2022-11-18 19:45:15,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:15,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:45:15,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:45:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:45:15,419 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:45:15,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:15,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1311924262, now seen corresponding path program 1 times [2022-11-18 19:45:15,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:15,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861398000] [2022-11-18 19:45:15,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:15,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:45:15,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:45:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:45:15,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:45:15,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:15,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1335045022, now seen corresponding path program 1 times [2022-11-18 19:45:15,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:15,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440510295] [2022-11-18 19:45:15,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:15,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:15,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:45:15,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:15,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440510295] [2022-11-18 19:45:15,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440510295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:15,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:15,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:45:15,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085934327] [2022-11-18 19:45:15,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:15,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:15,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:45:15,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:45:15,840 INFO L87 Difference]: Start difference. First operand 96 states and 124 transitions. cyclomatic complexity: 30 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2022-11-18 19:45:15,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:15,963 INFO L93 Difference]: Finished difference Result 343 states and 447 transitions. [2022-11-18 19:45:15,963 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 343 states and 447 transitions. [2022-11-18 19:45:15,968 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 245 [2022-11-18 19:45:15,971 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 343 states to 343 states and 447 transitions. [2022-11-18 19:45:15,971 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 343 [2022-11-18 19:45:15,972 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 343 [2022-11-18 19:45:15,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 343 states and 447 transitions. [2022-11-18 19:45:15,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:45:15,974 INFO L218 hiAutomatonCegarLoop]: Abstraction has 343 states and 447 transitions. [2022-11-18 19:45:15,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states and 447 transitions. [2022-11-18 19:45:15,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 185. [2022-11-18 19:45:15,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 185 states have (on average 1.281081081081081) internal successors, (237), 184 states have internal predecessors, (237), 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) [2022-11-18 19:45:15,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 237 transitions. [2022-11-18 19:45:15,999 INFO L240 hiAutomatonCegarLoop]: Abstraction has 185 states and 237 transitions. [2022-11-18 19:45:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:45:16,003 INFO L428 stractBuchiCegarLoop]: Abstraction has 185 states and 237 transitions. [2022-11-18 19:45:16,003 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 19:45:16,004 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 185 states and 237 transitions. [2022-11-18 19:45:16,005 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 130 [2022-11-18 19:45:16,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:45:16,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:45:16,006 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:45:16,007 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] [2022-11-18 19:45:16,007 INFO L748 eck$LassoCheckResult]: Stem: 782#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;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 769#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 741#L868 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 742#L861 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; 738#L876 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 739#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 778#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 755#L789-2 [2022-11-18 19:45:16,007 INFO L750 eck$LassoCheckResult]: Loop: 755#L789-2 assume !false; 692#L790 assume test_~splverifierCounter~0#1 < 4; 693#L791 test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 864#L799 assume !(0 != test_~tmp~6#1); 862#L799-2 test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 861#L809 assume !(0 != test_~tmp___0~1#1); 859#L809-2 test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 858#L819 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 856#L775 assume { :end_inline_startSystem } true; 855#L827-2 assume { :begin_inline_timeShift } true; 852#L626 assume !(0 != ~pumpRunning~0); 849#L626-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 846#L658 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 843#L650-1 assume { :end_inline_processEnvironment__wrappee__base } true; 841#L658-1 assume { :end_inline_processEnvironment } true; 840#L633-1 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~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 839#L202 __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; 695#L891 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 696#L234 __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; 705#L897 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1); 706#L897-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 754#L643 assume { :end_inline_timeShift } true; 755#L789-2 [2022-11-18 19:45:16,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:16,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-11-18 19:45:16,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:16,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379018830] [2022-11-18 19:45:16,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:16,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:45:16,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:45:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:45:16,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:45:16,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:16,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1962420621, now seen corresponding path program 1 times [2022-11-18 19:45:16,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:16,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283083159] [2022-11-18 19:45:16,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:16,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:45:16,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:45:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:45:16,041 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:45:16,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:16,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1215703983, now seen corresponding path program 1 times [2022-11-18 19:45:16,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:16,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742607886] [2022-11-18 19:45:16,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:16,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:45:16,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:45:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:45:16,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:45:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:45:17,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:45:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:45:17,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 07:45:17 BoogieIcfgContainer [2022-11-18 19:45:17,299 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 19:45:17,300 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:45:17,300 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:45:17,300 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:45:17,301 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:45:14" (3/4) ... [2022-11-18 19:45:17,303 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-18 19:45:17,352 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 19:45:17,353 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:45:17,353 INFO L158 Benchmark]: Toolchain (without parser) took 3869.29ms. Allocated memory is still 144.7MB. Free memory was 108.0MB in the beginning and 70.0MB in the end (delta: 38.0MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2022-11-18 19:45:17,354 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 70.8MB in the beginning and 70.8MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:45:17,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 586.49ms. Allocated memory is still 144.7MB. Free memory was 107.7MB in the beginning and 112.7MB in the end (delta: -5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:45:17,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.63ms. Allocated memory is still 144.7MB. Free memory was 112.7MB in the beginning and 110.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:45:17,356 INFO L158 Benchmark]: Boogie Preprocessor took 31.86ms. Allocated memory is still 144.7MB. Free memory was 110.1MB in the beginning and 108.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:45:17,356 INFO L158 Benchmark]: RCFGBuilder took 572.57ms. Allocated memory is still 144.7MB. Free memory was 108.6MB in the beginning and 89.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-18 19:45:17,357 INFO L158 Benchmark]: BuchiAutomizer took 2557.35ms. Allocated memory is still 144.7MB. Free memory was 89.7MB in the beginning and 73.1MB in the end (delta: 16.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-11-18 19:45:17,357 INFO L158 Benchmark]: Witness Printer took 52.87ms. Allocated memory is still 144.7MB. Free memory was 73.1MB in the beginning and 70.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 19:45:17,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 70.8MB in the beginning and 70.8MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 586.49ms. Allocated memory is still 144.7MB. Free memory was 107.7MB in the beginning and 112.7MB in the end (delta: -5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.63ms. Allocated memory is still 144.7MB. Free memory was 112.7MB in the beginning and 110.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.86ms. Allocated memory is still 144.7MB. Free memory was 110.1MB in the beginning and 108.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 572.57ms. Allocated memory is still 144.7MB. Free memory was 108.6MB in the beginning and 89.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2557.35ms. Allocated memory is still 144.7MB. Free memory was 89.7MB in the beginning and 73.1MB in the end (delta: 16.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Witness Printer took 52.87ms. Allocated memory is still 144.7MB. Free memory was 73.1MB in the beginning and 70.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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 185 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 158 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, 576 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 576 mSDsluCounter, 867 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 557 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 310 mSDtfsCounter, 48 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: 789]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L417] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L160] int methaneLevelCritical = 0; [L618] int pumpRunning = 0; [L159] int waterLevel = 1; [L619] int systemActive = 1; [L50] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L872] int retValue_acc ; [L875] retValue_acc = 1 [L876] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L780] int splverifierCounter ; [L781] int tmp ; [L782] int tmp___0 ; [L783] int tmp___1 ; [L784] int tmp___2 ; [L787] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L789] COND TRUE 1 [L791] COND TRUE splverifierCounter < 4 [L797] tmp = __VERIFIER_nondet_int() [L799] COND FALSE !(\read(tmp)) [L807] tmp___0 = __VERIFIER_nondet_int() [L809] COND FALSE !(\read(tmp___0)) [L817] tmp___2 = __VERIFIER_nondet_int() [L819] COND TRUE \read(tmp___2) [L821] CALL startSystem() [L774] systemActive = 1 [L821] RET startSystem() [L834] CALL timeShift() [L626] COND FALSE !(\read(pumpRunning)) [L633] COND TRUE \read(systemActive) [L635] CALL processEnvironment() [L655] int tmp ; [L658] COND FALSE !(\read(pumpRunning)) [L673] FCALL processEnvironment__wrappee__base() [L635] RET processEnvironment() [L641] CALL __utac_acc__Specification3_spec__1() [L883] int tmp ; [L884] int tmp___0 ; [L885] int tmp___1 ; [L889] CALL, EXPR isMethaneLevelCritical() [L198] int retValue_acc ; [L201] retValue_acc = methaneLevelCritical [L202] return (retValue_acc); [L889] RET, EXPR isMethaneLevelCritical() [L889] tmp = isMethaneLevelCritical() [L891] COND FALSE !(\read(tmp)) [L895] CALL, EXPR getWaterLevel() [L230] int retValue_acc ; [L233] retValue_acc = waterLevel [L234] return (retValue_acc); [L895] RET, EXPR getWaterLevel() [L895] tmp___0 = getWaterLevel() [L897] COND FALSE !(tmp___0 == 2) [L641] RET __utac_acc__Specification3_spec__1() [L834] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 789]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L417] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L160] int methaneLevelCritical = 0; [L618] int pumpRunning = 0; [L159] int waterLevel = 1; [L619] int systemActive = 1; [L50] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L872] int retValue_acc ; [L875] retValue_acc = 1 [L876] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L780] int splverifierCounter ; [L781] int tmp ; [L782] int tmp___0 ; [L783] int tmp___1 ; [L784] int tmp___2 ; [L787] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L789] COND TRUE 1 [L791] COND TRUE splverifierCounter < 4 [L797] tmp = __VERIFIER_nondet_int() [L799] COND FALSE !(\read(tmp)) [L807] tmp___0 = __VERIFIER_nondet_int() [L809] COND FALSE !(\read(tmp___0)) [L817] tmp___2 = __VERIFIER_nondet_int() [L819] COND TRUE \read(tmp___2) [L821] CALL startSystem() [L774] systemActive = 1 [L821] RET startSystem() [L834] CALL timeShift() [L626] COND FALSE !(\read(pumpRunning)) [L633] COND TRUE \read(systemActive) [L635] CALL processEnvironment() [L655] int tmp ; [L658] COND FALSE !(\read(pumpRunning)) [L673] FCALL processEnvironment__wrappee__base() [L635] RET processEnvironment() [L641] CALL __utac_acc__Specification3_spec__1() [L883] int tmp ; [L884] int tmp___0 ; [L885] int tmp___1 ; [L889] CALL, EXPR isMethaneLevelCritical() [L198] int retValue_acc ; [L201] retValue_acc = methaneLevelCritical [L202] return (retValue_acc); [L889] RET, EXPR isMethaneLevelCritical() [L889] tmp = isMethaneLevelCritical() [L891] COND FALSE !(\read(tmp)) [L895] CALL, EXPR getWaterLevel() [L230] int retValue_acc ; [L233] retValue_acc = waterLevel [L234] return (retValue_acc); [L895] RET, EXPR getWaterLevel() [L895] tmp___0 = getWaterLevel() [L897] COND FALSE !(tmp___0 == 2) [L641] RET __utac_acc__Specification3_spec__1() [L834] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-18 19:45:17,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6417ccd-4a44-4e55-ba58-b7a53544e4a2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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)