./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash da786641c6f5791cd76909be3af2b92112e50156e91d6775689240586eed4e85 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 17:18:50,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:18:50,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:18:50,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:18:50,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:18:50,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:18:50,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:18:50,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:18:50,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:18:50,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:18:50,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:18:50,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:18:50,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:18:50,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:18:50,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:18:50,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:18:50,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:18:50,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:18:50,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:18:50,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:18:50,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:18:50,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:18:50,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:18:50,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:18:50,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:18:50,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:18:50,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:18:50,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:18:50,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:18:50,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:18:50,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:18:50,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:18:50,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:18:50,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:18:50,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:18:50,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:18:50,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:18:50,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:18:50,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:18:50,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:18:50,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:18:50,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-21 17:18:50,444 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:18:50,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:18:50,445 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:18:50,445 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:18:50,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:18:50,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:18:50,447 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:18:50,448 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 17:18:50,448 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 17:18:50,448 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 17:18:50,449 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 17:18:50,450 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 17:18:50,450 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 17:18:50,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:18:50,450 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:18:50,451 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:18:50,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:18:50,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:18:50,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:18:50,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 17:18:50,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 17:18:50,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 17:18:50,452 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:18:50,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:18:50,453 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 17:18:50,453 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:18:50,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 17:18:50,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:18:50,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:18:50,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:18:50,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:18:50,457 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 17:18:50,458 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_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/bin/uautomizer-vX5HgA9Q3a/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da786641c6f5791cd76909be3af2b92112e50156e91d6775689240586eed4e85 [2022-11-21 17:18:50,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:18:50,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:18:50,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:18:50,835 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:18:50,835 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:18:50,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c [2022-11-21 17:18:53,792 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:18:54,182 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:18:54,186 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c [2022-11-21 17:18:54,200 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/bin/uautomizer-vX5HgA9Q3a/data/ea1700456/425967c0e4ff48e59c7d157acc8947a1/FLAG1c4087d04 [2022-11-21 17:18:54,217 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/bin/uautomizer-vX5HgA9Q3a/data/ea1700456/425967c0e4ff48e59c7d157acc8947a1 [2022-11-21 17:18:54,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:18:54,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:18:54,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:18:54,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:18:54,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:18:54,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:18:54" (1/1) ... [2022-11-21 17:18:54,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b274012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:54, skipping insertion in model container [2022-11-21 17:18:54,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:18:54" (1/1) ... [2022-11-21 17:18:54,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:18:54,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:18:54,586 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_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c[15806,15819] [2022-11-21 17:18:54,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:18:54,624 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:18:54,712 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_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c[15806,15819] [2022-11-21 17:18:54,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:18:54,739 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:18:54,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:54 WrapperNode [2022-11-21 17:18:54,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:18:54,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:18:54,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:18:54,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:18:54,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:54" (1/1) ... [2022-11-21 17:18:54,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:54" (1/1) ... [2022-11-21 17:18:54,810 INFO L138 Inliner]: procedures = 55, calls = 98, calls flagged for inlining = 51, calls inlined = 59, statements flattened = 406 [2022-11-21 17:18:54,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:18:54,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:18:54,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:18:54,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:18:54,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:54" (1/1) ... [2022-11-21 17:18:54,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:54" (1/1) ... [2022-11-21 17:18:54,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:54" (1/1) ... [2022-11-21 17:18:54,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:54" (1/1) ... [2022-11-21 17:18:54,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:54" (1/1) ... [2022-11-21 17:18:54,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:54" (1/1) ... [2022-11-21 17:18:54,852 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:54" (1/1) ... [2022-11-21 17:18:54,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:54" (1/1) ... [2022-11-21 17:18:54,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:18:54,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:18:54,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:18:54,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:18:54,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:54" (1/1) ... [2022-11-21 17:18:54,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:18:54,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:18:54,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:18:54,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 17:18:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:18:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:18:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:18:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:18:55,055 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:18:55,057 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:18:55,510 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:18:55,518 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:18:55,518 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 17:18:55,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:18:55 BoogieIcfgContainer [2022-11-21 17:18:55,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:18:55,527 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 17:18:55,527 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 17:18:55,531 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 17:18:55,534 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 17:18:55,534 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 05:18:54" (1/3) ... [2022-11-21 17:18:55,535 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b0ad0a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 05:18:55, skipping insertion in model container [2022-11-21 17:18:55,535 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 17:18:55,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:54" (2/3) ... [2022-11-21 17:18:55,536 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b0ad0a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 05:18:55, skipping insertion in model container [2022-11-21 17:18:55,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 17:18:55,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:18:55" (3/3) ... [2022-11-21 17:18:55,539 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product44.cil.c [2022-11-21 17:18:55,608 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 17:18:55,608 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 17:18:55,608 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 17:18:55,608 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 17:18:55,608 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 17:18:55,608 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 17:18:55,608 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 17:18:55,609 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 17:18:55,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 122 states, 121 states have (on average 1.3636363636363635) internal successors, (165), 121 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:18:55,637 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2022-11-21 17:18:55,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 17:18:55,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 17:18:55,644 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:18:55,644 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:18:55,645 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 17:18:55,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 122 states, 121 states have (on average 1.3636363636363635) internal successors, (165), 121 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:18:55,654 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2022-11-21 17:18:55,658 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 17:18:55,658 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 17:18:55,659 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:18:55,660 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:18:55,666 INFO L748 eck$LassoCheckResult]: Stem: 112#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 31#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~8#1, main_~tmp~8#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 97#L470true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 32#L463true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 119#L478true main_#t~ret46#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 117#L849true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 45#L826true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 49#L499-2true [2022-11-21 17:18:55,670 INFO L750 eck$LassoCheckResult]: Loop: 49#L499-2true assume !false; 110#L500true assume test_~splverifierCounter~0#1 < 4; 43#L501true test_~tmp~4#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 40#L509true assume !(0 != test_~tmp~4#1); 73#L509-2true test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 77#L519true assume !(0 != test_~tmp___0~1#1); 54#L519-2true test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 82#L529true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 5#L754true assume { :end_inline_startSystem } true; 86#L537-2true assume { :begin_inline_timeShift } true; 96#L572true assume !(0 != ~pumpRunning~0); 18#L572-2true assume !(0 != ~systemActive~0); 7#L579-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 106#L938true __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 64#L61true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 102#L61-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 10#L589true assume { :end_inline_timeShift } true; 49#L499-2true [2022-11-21 17:18:55,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:18:55,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-21 17:18:55,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:18:55,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967911519] [2022-11-21 17:18:55,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:18:55,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:18:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:18:55,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:18:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:18:55,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:18:55,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:18:55,935 INFO L85 PathProgramCache]: Analyzing trace with hash 844249025, now seen corresponding path program 1 times [2022-11-21 17:18:55,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:18:55,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747608936] [2022-11-21 17:18:55,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:18:55,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:18:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:56,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:18:56,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:18:56,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747608936] [2022-11-21 17:18:56,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747608936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:18:56,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:18:56,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:18:56,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764260678] [2022-11-21 17:18:56,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:18:56,095 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 17:18:56,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:18:56,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:18:56,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:18:56,149 INFO L87 Difference]: Start difference. First operand has 122 states, 121 states have (on average 1.3636363636363635) internal successors, (165), 121 states have internal predecessors, (165), 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) [2022-11-21 17:18:56,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:18:56,276 INFO L93 Difference]: Finished difference Result 229 states and 297 transitions. [2022-11-21 17:18:56,277 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 229 states and 297 transitions. [2022-11-21 17:18:56,284 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 148 [2022-11-21 17:18:56,299 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 229 states to 209 states and 276 transitions. [2022-11-21 17:18:56,300 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 209 [2022-11-21 17:18:56,301 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 209 [2022-11-21 17:18:56,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 209 states and 276 transitions. [2022-11-21 17:18:56,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:18:56,303 INFO L218 hiAutomatonCegarLoop]: Abstraction has 209 states and 276 transitions. [2022-11-21 17:18:56,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states and 276 transitions. [2022-11-21 17:18:56,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 206. [2022-11-21 17:18:56,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 206 states have (on average 1.3203883495145632) internal successors, (272), 205 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:18:56,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 272 transitions. [2022-11-21 17:18:56,361 INFO L240 hiAutomatonCegarLoop]: Abstraction has 206 states and 272 transitions. [2022-11-21 17:18:56,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:18:56,366 INFO L428 stractBuchiCegarLoop]: Abstraction has 206 states and 272 transitions. [2022-11-21 17:18:56,366 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 17:18:56,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 206 states and 272 transitions. [2022-11-21 17:18:56,369 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 145 [2022-11-21 17:18:56,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 17:18:56,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 17:18:56,370 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:18:56,370 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] [2022-11-21 17:18:56,371 INFO L748 eck$LassoCheckResult]: Stem: 490#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 406#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~8#1, main_~tmp~8#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 407#L470 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 408#L463 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 409#L478 main_#t~ret46#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 492#L849 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 431#L826 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 432#L499-2 [2022-11-21 17:18:56,371 INFO L750 eck$LassoCheckResult]: Loop: 432#L499-2 assume !false; 487#L500 assume test_~splverifierCounter~0#1 < 4; 427#L501 test_~tmp~4#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 422#L509 assume !(0 != test_~tmp~4#1); 361#L509-2 test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 469#L519 assume !(0 != test_~tmp___0~1#1); 444#L519-2 test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 445#L529 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 471#L537 assume !(0 != test_~tmp___1~0#1); 365#L537-2 assume { :begin_inline_timeShift } true; 477#L572 assume !(0 != ~pumpRunning~0); 381#L572-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 386#L604 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 474#L596-1 assume { :end_inline_processEnvironment__wrappee__base } true; 379#L604-1 assume { :end_inline_processEnvironment } true; 368#L579-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 369#L938 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 459#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 460#L61-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 514#L589 assume { :end_inline_timeShift } true; 432#L499-2 [2022-11-21 17:18:56,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:18:56,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-21 17:18:56,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:18:56,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961241740] [2022-11-21 17:18:56,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:18:56,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:18:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:18:56,384 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:18:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:18:56,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:18:56,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:18:56,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1854755867, now seen corresponding path program 1 times [2022-11-21 17:18:56,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:18:56,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453443848] [2022-11-21 17:18:56,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:18:56,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:18:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:56,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:18:56,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:18:56,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453443848] [2022-11-21 17:18:56,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453443848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:18:56,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:18:56,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:18:56,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317066903] [2022-11-21 17:18:56,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:18:56,427 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 17:18:56,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:18:56,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:18:56,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:18:56,428 INFO L87 Difference]: Start difference. First operand 206 states and 272 transitions. cyclomatic complexity: 69 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:18:56,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:18:56,544 INFO L93 Difference]: Finished difference Result 318 states and 407 transitions. [2022-11-21 17:18:56,544 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 318 states and 407 transitions. [2022-11-21 17:18:56,548 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 231 [2022-11-21 17:18:56,550 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 318 states to 318 states and 407 transitions. [2022-11-21 17:18:56,550 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 318 [2022-11-21 17:18:56,551 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 318 [2022-11-21 17:18:56,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 318 states and 407 transitions. [2022-11-21 17:18:56,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:18:56,553 INFO L218 hiAutomatonCegarLoop]: Abstraction has 318 states and 407 transitions. [2022-11-21 17:18:56,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states and 407 transitions. [2022-11-21 17:18:56,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2022-11-21 17:18:56,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 318 states have (on average 1.279874213836478) internal successors, (407), 317 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:18:56,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 407 transitions. [2022-11-21 17:18:56,571 INFO L240 hiAutomatonCegarLoop]: Abstraction has 318 states and 407 transitions. [2022-11-21 17:18:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:18:56,580 INFO L428 stractBuchiCegarLoop]: Abstraction has 318 states and 407 transitions. [2022-11-21 17:18:56,580 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-21 17:18:56,580 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 318 states and 407 transitions. [2022-11-21 17:18:56,584 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 231 [2022-11-21 17:18:56,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 17:18:56,585 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 17:18:56,587 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:18:56,588 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:18:56,588 INFO L748 eck$LassoCheckResult]: Stem: 1010#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 935#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~8#1, main_~tmp~8#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 936#L470 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 937#L463 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 938#L478 main_#t~ret46#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 1012#L849 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 959#L826 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 960#L499-2 [2022-11-21 17:18:56,588 INFO L750 eck$LassoCheckResult]: Loop: 960#L499-2 assume !false; 1117#L500 assume test_~splverifierCounter~0#1 < 4; 955#L501 test_~tmp~4#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 949#L509 assume !(0 != test_~tmp~4#1); 891#L509-2 test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 991#L519 assume !(0 != test_~tmp___0~1#1); 970#L519-2 test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 971#L529 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 994#L537 assume !(0 != test_~tmp___1~0#1); 895#L537-2 assume { :begin_inline_timeShift } true; 1002#L572 assume !(0 != ~pumpRunning~0); 1142#L572-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1141#L604 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret45#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 1140#L946 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 1139#L951 isHighWaterLevel_#t~ret45#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret45#1;havoc isHighWaterLevel_#t~ret45#1; 1138#L724 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1137#L724-2 isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; 1135#L730 processEnvironment_#t~ret34#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret34#1;havoc processEnvironment_#t~ret34#1; 1132#L608 assume !(0 != processEnvironment_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1131#L596 assume { :end_inline_processEnvironment__wrappee__base } true; 1129#L604-1 assume { :end_inline_processEnvironment } true; 1127#L579-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1126#L938 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 1124#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 1121#L61-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1120#L589 assume { :end_inline_timeShift } true; 960#L499-2 [2022-11-21 17:18:56,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:18:56,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-11-21 17:18:56,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:18:56,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643172888] [2022-11-21 17:18:56,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:18:56,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:18:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:18:56,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:18:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:18:56,619 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:18:56,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:18:56,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1808938509, now seen corresponding path program 1 times [2022-11-21 17:18:56,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:18:56,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968297114] [2022-11-21 17:18:56,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:18:56,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:18:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:18:56,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:18:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:18:56,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:18:56,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:18:56,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1682497233, now seen corresponding path program 1 times [2022-11-21 17:18:56,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:18:56,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731157103] [2022-11-21 17:18:56,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:18:56,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:18:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:18:56,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:18:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:18:56,678 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:18:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:18:57,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:18:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:18:58,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 05:18:58 BoogieIcfgContainer [2022-11-21 17:18:58,007 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 17:18:58,008 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:18:58,008 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:18:58,008 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:18:58,009 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:18:55" (3/4) ... [2022-11-21 17:18:58,011 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-21 17:18:58,074 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 17:18:58,075 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:18:58,075 INFO L158 Benchmark]: Toolchain (without parser) took 3852.34ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 122.9MB in the beginning and 94.0MB in the end (delta: 28.9MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2022-11-21 17:18:58,076 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 155.2MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:18:58,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.02ms. Allocated memory is still 155.2MB. Free memory was 122.9MB in the beginning and 104.6MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 17:18:58,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.92ms. Allocated memory is still 155.2MB. Free memory was 104.6MB in the beginning and 101.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 17:18:58,077 INFO L158 Benchmark]: Boogie Preprocessor took 45.32ms. Allocated memory is still 155.2MB. Free memory was 101.4MB in the beginning and 99.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:18:58,077 INFO L158 Benchmark]: RCFGBuilder took 668.98ms. Allocated memory is still 155.2MB. Free memory was 99.8MB in the beginning and 80.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 17:18:58,078 INFO L158 Benchmark]: BuchiAutomizer took 2479.94ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 80.4MB in the beginning and 97.2MB in the end (delta: -16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 17:18:58,078 INFO L158 Benchmark]: Witness Printer took 67.03ms. Allocated memory is still 186.6MB. Free memory was 97.2MB in the beginning and 94.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:18:58,080 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 155.2MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 514.02ms. Allocated memory is still 155.2MB. Free memory was 122.9MB in the beginning and 104.6MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.92ms. Allocated memory is still 155.2MB. Free memory was 104.6MB in the beginning and 101.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.32ms. Allocated memory is still 155.2MB. Free memory was 101.4MB in the beginning and 99.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 668.98ms. Allocated memory is still 155.2MB. Free memory was 99.8MB in the beginning and 80.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2479.94ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 80.4MB in the beginning and 97.2MB in the end (delta: -16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 67.03ms. Allocated memory is still 186.6MB. Free memory was 97.2MB in the beginning and 94.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 3 locations. The remainder module has 318 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 261 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 261 mSDsluCounter, 508 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 213 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 295 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 499]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L565] int pumpRunning = 0; [L566] int systemActive = 1; [L767] int cleanupTimeShifts = 4; [L863] int waterLevel = 1; [L864] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L840] int retValue_acc ; [L841] int tmp ; [L845] FCALL select_helpers() [L846] FCALL select_features() [L847] CALL, EXPR valid_product() [L474] int retValue_acc ; [L477] retValue_acc = 1 [L478] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L847] RET, EXPR valid_product() [L847] tmp = valid_product() [L849] COND TRUE \read(tmp) [L851] FCALL setup() [L852] CALL runTest() [L834] CALL test() [L490] int splverifierCounter ; [L491] int tmp ; [L492] int tmp___0 ; [L493] int tmp___1 ; [L494] int tmp___2 ; [L497] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L499] COND TRUE 1 [L501] COND TRUE splverifierCounter < 4 [L507] tmp = __VERIFIER_nondet_int() [L509] COND FALSE !(\read(tmp)) [L517] tmp___0 = __VERIFIER_nondet_int() [L519] COND FALSE !(\read(tmp___0)) [L527] tmp___2 = __VERIFIER_nondet_int() [L529] COND FALSE !(\read(tmp___2)) [L535] tmp___1 = __VERIFIER_nondet_int() [L537] COND FALSE !(\read(tmp___1)) [L546] CALL timeShift() [L572] COND FALSE !(\read(pumpRunning)) [L579] COND TRUE \read(systemActive) [L581] CALL processEnvironment() [L601] int tmp ; [L604] COND TRUE ! pumpRunning [L606] CALL, EXPR isHighWaterLevel() [L716] int retValue_acc ; [L717] int tmp ; [L718] int tmp___0 ; [L722] CALL, EXPR isHighWaterSensorDry() [L943] int retValue_acc ; [L946] COND TRUE waterLevel < 2 [L947] retValue_acc = 1 [L948] return (retValue_acc); [L722] RET, EXPR isHighWaterSensorDry() [L722] tmp = isHighWaterSensorDry() [L724] COND TRUE \read(tmp) [L725] tmp___0 = 0 [L729] retValue_acc = tmp___0 [L730] return (retValue_acc); [L606] RET, EXPR isHighWaterLevel() [L606] tmp = isHighWaterLevel() [L608] COND FALSE !(\read(tmp)) [L614] FCALL processEnvironment__wrappee__base() [L581] RET processEnvironment() [L587] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L934] int retValue_acc ; [L937] retValue_acc = waterLevel [L938] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L587] RET __utac_acc__Specification4_spec__1() [L546] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 499]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L565] int pumpRunning = 0; [L566] int systemActive = 1; [L767] int cleanupTimeShifts = 4; [L863] int waterLevel = 1; [L864] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L840] int retValue_acc ; [L841] int tmp ; [L845] FCALL select_helpers() [L846] FCALL select_features() [L847] CALL, EXPR valid_product() [L474] int retValue_acc ; [L477] retValue_acc = 1 [L478] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L847] RET, EXPR valid_product() [L847] tmp = valid_product() [L849] COND TRUE \read(tmp) [L851] FCALL setup() [L852] CALL runTest() [L834] CALL test() [L490] int splverifierCounter ; [L491] int tmp ; [L492] int tmp___0 ; [L493] int tmp___1 ; [L494] int tmp___2 ; [L497] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L499] COND TRUE 1 [L501] COND TRUE splverifierCounter < 4 [L507] tmp = __VERIFIER_nondet_int() [L509] COND FALSE !(\read(tmp)) [L517] tmp___0 = __VERIFIER_nondet_int() [L519] COND FALSE !(\read(tmp___0)) [L527] tmp___2 = __VERIFIER_nondet_int() [L529] COND FALSE !(\read(tmp___2)) [L535] tmp___1 = __VERIFIER_nondet_int() [L537] COND FALSE !(\read(tmp___1)) [L546] CALL timeShift() [L572] COND FALSE !(\read(pumpRunning)) [L579] COND TRUE \read(systemActive) [L581] CALL processEnvironment() [L601] int tmp ; [L604] COND TRUE ! pumpRunning [L606] CALL, EXPR isHighWaterLevel() [L716] int retValue_acc ; [L717] int tmp ; [L718] int tmp___0 ; [L722] CALL, EXPR isHighWaterSensorDry() [L943] int retValue_acc ; [L946] COND TRUE waterLevel < 2 [L947] retValue_acc = 1 [L948] return (retValue_acc); [L722] RET, EXPR isHighWaterSensorDry() [L722] tmp = isHighWaterSensorDry() [L724] COND TRUE \read(tmp) [L725] tmp___0 = 0 [L729] retValue_acc = tmp___0 [L730] return (retValue_acc); [L606] RET, EXPR isHighWaterLevel() [L606] tmp = isHighWaterLevel() [L608] COND FALSE !(\read(tmp)) [L614] FCALL processEnvironment__wrappee__base() [L581] RET processEnvironment() [L587] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L934] int retValue_acc ; [L937] retValue_acc = waterLevel [L938] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L587] RET __utac_acc__Specification4_spec__1() [L546] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 17:18:58,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d001a3a-3136-4aa8-8fd8-fc0e84a21f4c/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)