./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b 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_3c7ed53a-2622-453a-82d9-43a6f6e74930/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7ed53a-2622-453a-82d9-43a6f6e74930/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7ed53a-2622-453a-82d9-43a6f6e74930/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7ed53a-2622-453a-82d9-43a6f6e74930/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7ed53a-2622-453a-82d9-43a6f6e74930/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7ed53a-2622-453a-82d9-43a6f6e74930/bin/uautomizer-ug76WZFUDN --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 89d79330893ddcb40b29f516de4dd8a28301af3358fb85b9aef9deff219c3c1d --- 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-6b4ec56 [2022-11-20 12:41:17,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:41:17,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:41:17,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:41:17,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:41:17,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:41:17,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:41:17,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:41:17,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:41:17,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:41:17,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:41:17,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:41:17,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:41:17,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:41:17,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:41:17,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:41:17,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:41:17,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:41:17,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:41:17,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:41:17,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:41:17,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:41:17,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:41:17,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:41:17,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:41:17,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:41:17,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:41:17,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:41:17,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:41:17,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:41:17,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:41:17,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:41:17,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:41:17,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:41:17,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:41:17,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:41:17,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:41:17,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:41:17,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:41:17,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:41:17,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:41:17,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7ed53a-2622-453a-82d9-43a6f6e74930/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 12:41:17,297 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:41:17,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:41:17,299 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:41:17,300 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:41:17,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:41:17,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:41:17,302 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:41:17,303 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 12:41:17,303 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 12:41:17,303 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 12:41:17,305 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 12:41:17,305 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 12:41:17,306 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 12:41:17,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:41:17,306 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:41:17,307 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:41:17,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:41:17,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:41:17,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:41:17,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 12:41:17,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 12:41:17,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 12:41:17,309 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:41:17,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:41:17,310 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 12:41:17,310 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:41:17,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 12:41:17,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:41:17,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:41:17,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:41:17,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:41:17,316 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 12:41:17,317 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_3c7ed53a-2622-453a-82d9-43a6f6e74930/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7ed53a-2622-453a-82d9-43a6f6e74930/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89d79330893ddcb40b29f516de4dd8a28301af3358fb85b9aef9deff219c3c1d [2022-11-20 12:41:17,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:41:17,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:41:17,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:41:17,712 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:41:17,713 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:41:17,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7ed53a-2622-453a-82d9-43a6f6e74930/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2022-11-20 12:41:21,224 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:41:21,570 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:41:21,570 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7ed53a-2622-453a-82d9-43a6f6e74930/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2022-11-20 12:41:21,588 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7ed53a-2622-453a-82d9-43a6f6e74930/bin/uautomizer-ug76WZFUDN/data/290c50b40/e2296eb1a8a049cdb3bcc79623f48491/FLAG669f252f5 [2022-11-20 12:41:21,605 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7ed53a-2622-453a-82d9-43a6f6e74930/bin/uautomizer-ug76WZFUDN/data/290c50b40/e2296eb1a8a049cdb3bcc79623f48491 [2022-11-20 12:41:21,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:41:21,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:41:21,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:41:21,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:41:21,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:41:21,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:41:21" (1/1) ... [2022-11-20 12:41:21,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c6addce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:41:21, skipping insertion in model container [2022-11-20 12:41:21,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:41:21" (1/1) ... [2022-11-20 12:41:21,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:41:21,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:41:21,884 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_3c7ed53a-2622-453a-82d9-43a6f6e74930/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c[4546,4559] [2022-11-20 12:41:21,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:41:21,981 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:41:22,008 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_3c7ed53a-2622-453a-82d9-43a6f6e74930/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c[4546,4559] [2022-11-20 12:41:22,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:41:22,080 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:41:22,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:41:22 WrapperNode [2022-11-20 12:41:22,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:41:22,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:41:22,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:41:22,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:41:22,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:41:22" (1/1) ... [2022-11-20 12:41:22,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:41:22" (1/1) ... [2022-11-20 12:41:22,139 INFO L138 Inliner]: procedures = 50, calls = 92, calls flagged for inlining = 45, calls inlined = 47, statements flattened = 303 [2022-11-20 12:41:22,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:41:22,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:41:22,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:41:22,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:41:22,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:41:22" (1/1) ... [2022-11-20 12:41:22,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:41:22" (1/1) ... [2022-11-20 12:41:22,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:41:22" (1/1) ... [2022-11-20 12:41:22,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:41:22" (1/1) ... [2022-11-20 12:41:22,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:41:22" (1/1) ... [2022-11-20 12:41:22,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:41:22" (1/1) ... [2022-11-20 12:41:22,171 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:41:22" (1/1) ... [2022-11-20 12:41:22,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:41:22" (1/1) ... [2022-11-20 12:41:22,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:41:22,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:41:22,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:41:22,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:41:22,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:41:22" (1/1) ... [2022-11-20 12:41:22,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:41:22,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7ed53a-2622-453a-82d9-43a6f6e74930/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:41:22,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7ed53a-2622-453a-82d9-43a6f6e74930/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:41:22,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7ed53a-2622-453a-82d9-43a6f6e74930/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 12:41:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:41:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:41:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:41:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:41:22,398 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:41:22,400 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:41:22,725 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:41:22,734 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:41:22,734 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 12:41:22,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:41:22 BoogieIcfgContainer [2022-11-20 12:41:22,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:41:22,738 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 12:41:22,738 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 12:41:22,743 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 12:41:22,744 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:41:22,744 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:41:21" (1/3) ... [2022-11-20 12:41:22,746 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67966c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:41:22, skipping insertion in model container [2022-11-20 12:41:22,746 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:41:22,746 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:41:22" (2/3) ... [2022-11-20 12:41:22,747 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67966c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:41:22, skipping insertion in model container [2022-11-20 12:41:22,747 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:41:22,747 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:41:22" (3/3) ... [2022-11-20 12:41:22,749 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product05.cil.c [2022-11-20 12:41:22,815 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 12:41:22,815 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 12:41:22,816 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 12:41:22,816 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 12:41:22,816 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 12:41:22,816 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 12:41:22,816 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 12:41:22,831 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 12:41:22,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 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) [2022-11-20 12:41:22,886 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-11-20 12:41:22,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:41:22,886 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:41:22,891 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:41:22,891 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:41:22,892 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 12:41:22,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 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) [2022-11-20 12:41:22,898 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-11-20 12:41:22,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:41:22,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:41:22,899 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:41:22,899 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:41:22,906 INFO L748 eck$LassoCheckResult]: Stem: 69#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 51#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~6#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 28#L863true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 84#L856true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 45#L871true main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 93#L827true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 59#L801true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 39#L295-2true [2022-11-20 12:41:22,907 INFO L750 eck$LassoCheckResult]: Loop: 39#L295-2true assume !false; 71#L296true assume test_~splverifierCounter~0#1 < 4; 46#L297true test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 81#L305true assume !(0 != test_~tmp~1#1); 67#L305-2true test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 58#L315true assume !(0 != test_~tmp___0~0#1); 18#L315-2true test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 97#L325true assume 0 != test_~tmp___2~0#1; 74#L331-2true assume { :begin_inline_timeShift } true; 33#L149true assume !(0 != ~pumpRunning~0); 68#L149-2true assume !(0 != ~systemActive~0); 41#L156-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~5#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~5#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 62#L99-1true __utac_acc__Specification1_spec__1_#t~ret46#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~5#1 := __utac_acc__Specification1_spec__1_#t~ret46#1;havoc __utac_acc__Specification1_spec__1_#t~ret46#1; 27#L724true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~5#1); 70#L724-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 31#L166true assume { :end_inline_timeShift } true; 39#L295-2true [2022-11-20 12:41:22,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:22,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-20 12:41:22,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:22,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2671182] [2022-11-20 12:41:22,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:22,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:23,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:23,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:23,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:23,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1035970364, now seen corresponding path program 1 times [2022-11-20 12:41:23,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:23,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266890531] [2022-11-20 12:41:23,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:23,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:23,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:23,149 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:23,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:23,159 INFO L85 PathProgramCache]: Analyzing trace with hash 319448712, now seen corresponding path program 1 times [2022-11-20 12:41:23,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:23,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848884743] [2022-11-20 12:41:23,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:23,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:41:23,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:41:23,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:41:23,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848884743] [2022-11-20 12:41:23,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848884743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:41:23,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:41:23,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:41:23,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016619798] [2022-11-20 12:41:23,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:41:23,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:41:23,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:41:23,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:41:23,783 INFO L87 Difference]: Start difference. First operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 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) [2022-11-20 12:41:23,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:41:23,859 INFO L93 Difference]: Finished difference Result 93 states and 115 transitions. [2022-11-20 12:41:23,861 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 115 transitions. [2022-11-20 12:41:23,865 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2022-11-20 12:41:23,870 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 83 states and 105 transitions. [2022-11-20 12:41:23,871 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 83 [2022-11-20 12:41:23,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 83 [2022-11-20 12:41:23,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 105 transitions. [2022-11-20 12:41:23,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:41:23,874 INFO L218 hiAutomatonCegarLoop]: Abstraction has 83 states and 105 transitions. [2022-11-20 12:41:23,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 105 transitions. [2022-11-20 12:41:23,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-11-20 12:41:23,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 82 states have internal predecessors, (105), 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) [2022-11-20 12:41:23,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 105 transitions. [2022-11-20 12:41:23,917 INFO L240 hiAutomatonCegarLoop]: Abstraction has 83 states and 105 transitions. [2022-11-20 12:41:23,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:41:23,923 INFO L428 stractBuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2022-11-20 12:41:23,923 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 12:41:23,923 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 105 transitions. [2022-11-20 12:41:23,926 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2022-11-20 12:41:23,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:41:23,926 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:41:23,927 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:41:23,927 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:41:23,928 INFO L748 eck$LassoCheckResult]: Stem: 285#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 274#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~6#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 243#L863 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 244#L856 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 267#L871 main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 268#L827 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 280#L801 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 249#L295-2 [2022-11-20 12:41:23,928 INFO L750 eck$LassoCheckResult]: Loop: 249#L295-2 assume !false; 263#L296 assume test_~splverifierCounter~0#1 < 4; 269#L297 test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 270#L305 assume !(0 != test_~tmp~1#1); 273#L305-2 test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 278#L315 assume !(0 != test_~tmp___0~0#1); 232#L315-2 test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 233#L325 assume 0 != test_~tmp___2~0#1; 222#L331-2 assume { :begin_inline_timeShift } true; 252#L149 assume !(0 != ~pumpRunning~0); 253#L149-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 256#L181 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 258#L173-1 assume { :end_inline_processEnvironment__wrappee__base } true; 281#L181-1 assume { :end_inline_processEnvironment } true; 264#L156-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~5#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~5#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 265#L99-1 __utac_acc__Specification1_spec__1_#t~ret46#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~5#1 := __utac_acc__Specification1_spec__1_#t~ret46#1;havoc __utac_acc__Specification1_spec__1_#t~ret46#1; 241#L724 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~5#1); 242#L724-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 248#L166 assume { :end_inline_timeShift } true; 249#L295-2 [2022-11-20 12:41:23,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:23,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-20 12:41:23,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:23,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993200149] [2022-11-20 12:41:23,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:23,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:23,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:23,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:23,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:23,957 INFO L85 PathProgramCache]: Analyzing trace with hash -2086246941, now seen corresponding path program 1 times [2022-11-20 12:41:23,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:23,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702943663] [2022-11-20 12:41:23,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:23,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:23,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:23,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:23,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:23,975 INFO L85 PathProgramCache]: Analyzing trace with hash 215896479, now seen corresponding path program 1 times [2022-11-20 12:41:23,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:23,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236371300] [2022-11-20 12:41:23,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:23,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:41:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:23,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:24,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:41:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:25,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:41:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:41:25,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:41:25 BoogieIcfgContainer [2022-11-20 12:41:25,275 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 12:41:25,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:41:25,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:41:25,277 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:41:25,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:41:22" (3/4) ... [2022-11-20 12:41:25,281 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-20 12:41:25,345 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7ed53a-2622-453a-82d9-43a6f6e74930/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:41:25,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:41:25,346 INFO L158 Benchmark]: Toolchain (without parser) took 3736.56ms. Allocated memory was 176.2MB in the beginning and 218.1MB in the end (delta: 41.9MB). Free memory was 130.1MB in the beginning and 163.8MB in the end (delta: -33.7MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2022-11-20 12:41:25,347 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 176.2MB. Free memory was 148.2MB in the beginning and 148.0MB in the end (delta: 162.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:41:25,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.19ms. Allocated memory is still 176.2MB. Free memory was 129.4MB in the beginning and 111.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 12:41:25,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.62ms. Allocated memory is still 176.2MB. Free memory was 111.9MB in the beginning and 109.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:41:25,349 INFO L158 Benchmark]: Boogie Preprocessor took 35.28ms. Allocated memory is still 176.2MB. Free memory was 109.9MB in the beginning and 107.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:41:25,350 INFO L158 Benchmark]: RCFGBuilder took 560.28ms. Allocated memory is still 176.2MB. Free memory was 107.8MB in the beginning and 91.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 12:41:25,350 INFO L158 Benchmark]: BuchiAutomizer took 2536.80ms. Allocated memory was 176.2MB in the beginning and 218.1MB in the end (delta: 41.9MB). Free memory was 91.0MB in the beginning and 165.9MB in the end (delta: -74.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:41:25,351 INFO L158 Benchmark]: Witness Printer took 69.87ms. Allocated memory is still 218.1MB. Free memory was 165.9MB in the beginning and 163.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:41:25,355 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 176.2MB. Free memory was 148.2MB in the beginning and 148.0MB in the end (delta: 162.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.19ms. Allocated memory is still 176.2MB. Free memory was 129.4MB in the beginning and 111.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.62ms. Allocated memory is still 176.2MB. Free memory was 111.9MB in the beginning and 109.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.28ms. Allocated memory is still 176.2MB. Free memory was 109.9MB in the beginning and 107.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 560.28ms. Allocated memory is still 176.2MB. Free memory was 107.8MB in the beginning and 91.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2536.80ms. Allocated memory was 176.2MB in the beginning and 218.1MB in the end (delta: 41.9MB). Free memory was 91.0MB in the beginning and 165.9MB in the end (delta: -74.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.87ms. Allocated memory is still 218.1MB. Free memory was 165.9MB in the beginning and 163.8MB 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 83 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 335 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 335 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 110 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 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: 295]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L519] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L742] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L818] int retValue_acc ; [L819] int tmp ; [L823] FCALL select_helpers() [L824] FCALL select_features() [L825] CALL, EXPR valid_product() [L867] int retValue_acc ; [L870] retValue_acc = 1 [L871] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L825] RET, EXPR valid_product() [L825] tmp = valid_product() [L827] COND TRUE \read(tmp) [L829] FCALL setup() [L830] CALL runTest() [L809] CALL test() [L286] int splverifierCounter ; [L287] int tmp ; [L288] int tmp___0 ; [L289] int tmp___1 ; [L290] int tmp___2 ; [L293] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L295] COND TRUE 1 [L297] COND TRUE splverifierCounter < 4 [L303] tmp = __VERIFIER_nondet_int() [L305] COND FALSE !(\read(tmp)) [L313] tmp___0 = __VERIFIER_nondet_int() [L315] COND FALSE !(\read(tmp___0)) [L323] tmp___2 = __VERIFIER_nondet_int() [L325] COND TRUE \read(tmp___2) [L338] CALL timeShift() [L149] COND FALSE !(\read(pumpRunning)) [L156] COND TRUE \read(systemActive) [L158] CALL processEnvironment() [L178] int tmp ; [L181] COND FALSE !(\read(pumpRunning)) [L196] FCALL processEnvironment__wrappee__base() [L158] RET processEnvironment() [L164] CALL __utac_acc__Specification1_spec__1() [L717] int tmp ; [L718] int tmp___0 ; [L722] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L722] RET, EXPR isMethaneLevelCritical() [L722] tmp = isMethaneLevelCritical() [L724] COND FALSE !(\read(tmp)) [L164] RET __utac_acc__Specification1_spec__1() [L338] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 295]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L519] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L742] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L818] int retValue_acc ; [L819] int tmp ; [L823] FCALL select_helpers() [L824] FCALL select_features() [L825] CALL, EXPR valid_product() [L867] int retValue_acc ; [L870] retValue_acc = 1 [L871] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L825] RET, EXPR valid_product() [L825] tmp = valid_product() [L827] COND TRUE \read(tmp) [L829] FCALL setup() [L830] CALL runTest() [L809] CALL test() [L286] int splverifierCounter ; [L287] int tmp ; [L288] int tmp___0 ; [L289] int tmp___1 ; [L290] int tmp___2 ; [L293] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L295] COND TRUE 1 [L297] COND TRUE splverifierCounter < 4 [L303] tmp = __VERIFIER_nondet_int() [L305] COND FALSE !(\read(tmp)) [L313] tmp___0 = __VERIFIER_nondet_int() [L315] COND FALSE !(\read(tmp___0)) [L323] tmp___2 = __VERIFIER_nondet_int() [L325] COND TRUE \read(tmp___2) [L338] CALL timeShift() [L149] COND FALSE !(\read(pumpRunning)) [L156] COND TRUE \read(systemActive) [L158] CALL processEnvironment() [L178] int tmp ; [L181] COND FALSE !(\read(pumpRunning)) [L196] FCALL processEnvironment__wrappee__base() [L158] RET processEnvironment() [L164] CALL __utac_acc__Specification1_spec__1() [L717] int tmp ; [L718] int tmp___0 ; [L722] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L722] RET, EXPR isMethaneLevelCritical() [L722] tmp = isMethaneLevelCritical() [L724] COND FALSE !(\read(tmp)) [L164] RET __utac_acc__Specification1_spec__1() [L338] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 12:41:25,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7ed53a-2622-453a-82d9-43a6f6e74930/bin/uautomizer-ug76WZFUDN/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)