./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 190527f0b5c755657048457e241e1db06174c0bd15c9c37dddb3c55b0e7d73ce --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:53:28,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:53:28,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:53:28,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:53:28,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:53:28,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:53:28,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:53:28,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:53:28,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:53:28,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:53:28,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:53:28,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:53:28,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:53:28,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:53:28,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:53:28,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:53:28,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:53:28,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:53:28,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:53:28,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:53:28,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:53:28,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:53:28,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:53:28,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:53:28,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:53:28,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:53:28,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:53:28,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:53:28,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:53:28,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:53:28,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:53:28,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:53:28,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:53:28,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:53:28,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:53:28,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:53:28,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:53:28,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:53:28,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:53:28,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:53:28,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:53:28,747 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 20:53:28,795 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:53:28,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:53:28,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:53:28,796 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:53:28,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:53:28,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:53:28,798 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:53:28,799 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:53:28,799 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:53:28,799 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:53:28,800 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:53:28,801 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:53:28,801 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:53:28,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:53:28,801 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:53:28,801 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:53:28,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:53:28,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:53:28,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:53:28,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:53:28,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:53:28,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:53:28,803 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:53:28,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:53:28,805 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:53:28,806 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:53:28,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:53:28,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:53:28,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:53:28,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:53:28,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:53:28,808 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:53:28,808 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_2a8321cc-336f-429f-bc7a-5d8504244313/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 190527f0b5c755657048457e241e1db06174c0bd15c9c37dddb3c55b0e7d73ce [2022-11-18 20:53:29,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:53:29,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:53:29,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:53:29,166 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:53:29,167 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:53:29,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c [2022-11-18 20:53:29,242 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/bin/uautomizer-TMbwUNV5ro/data/fb858e6cd/707b3c4bdd024ee18faab72c0915fa72/FLAG5234b6a6d [2022-11-18 20:53:29,739 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:53:29,740 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c [2022-11-18 20:53:29,751 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/bin/uautomizer-TMbwUNV5ro/data/fb858e6cd/707b3c4bdd024ee18faab72c0915fa72/FLAG5234b6a6d [2022-11-18 20:53:30,037 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/bin/uautomizer-TMbwUNV5ro/data/fb858e6cd/707b3c4bdd024ee18faab72c0915fa72 [2022-11-18 20:53:30,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:53:30,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:53:30,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:53:30,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:53:30,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:53:30,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:53:30" (1/1) ... [2022-11-18 20:53:30,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@378e2105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:30, skipping insertion in model container [2022-11-18 20:53:30,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:53:30" (1/1) ... [2022-11-18 20:53:30,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:53:30,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:53:30,438 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c[17943,17956] [2022-11-18 20:53:30,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:53:30,455 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:53:30,550 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c[17943,17956] [2022-11-18 20:53:30,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:53:30,575 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:53:30,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:30 WrapperNode [2022-11-18 20:53:30,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:53:30,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:53:30,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:53:30,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:53:30,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:30" (1/1) ... [2022-11-18 20:53:30,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:30" (1/1) ... [2022-11-18 20:53:30,656 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 49, calls inlined = 57, statements flattened = 399 [2022-11-18 20:53:30,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:53:30,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:53:30,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:53:30,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:53:30,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:30" (1/1) ... [2022-11-18 20:53:30,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:30" (1/1) ... [2022-11-18 20:53:30,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:30" (1/1) ... [2022-11-18 20:53:30,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:30" (1/1) ... [2022-11-18 20:53:30,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:30" (1/1) ... [2022-11-18 20:53:30,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:30" (1/1) ... [2022-11-18 20:53:30,684 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:30" (1/1) ... [2022-11-18 20:53:30,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:30" (1/1) ... [2022-11-18 20:53:30,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:53:30,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:53:30,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:53:30,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:53:30,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:30" (1/1) ... [2022-11-18 20:53:30,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:53:30,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:53:30,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:53:30,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:53:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:53:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:53:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:53:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:53:30,854 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:53:30,856 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:53:31,207 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:53:31,215 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:53:31,215 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 20:53:31,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:53:31 BoogieIcfgContainer [2022-11-18 20:53:31,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:53:31,219 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:53:31,219 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:53:31,223 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:53:31,224 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:53:31,224 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:53:30" (1/3) ... [2022-11-18 20:53:31,226 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c18ab66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:53:31, skipping insertion in model container [2022-11-18 20:53:31,226 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:53:31,226 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:30" (2/3) ... [2022-11-18 20:53:31,226 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c18ab66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:53:31, skipping insertion in model container [2022-11-18 20:53:31,227 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:53:31,227 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:53:31" (3/3) ... [2022-11-18 20:53:31,228 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product42.cil.c [2022-11-18 20:53:31,288 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:53:31,288 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:53:31,289 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:53:31,289 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:53:31,289 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:53:31,289 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:53:31,289 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:53:31,290 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:53:31,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.3675213675213675) internal successors, (160), 117 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:31,319 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2022-11-18 20:53:31,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:53:31,320 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:53:31,325 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:53:31,326 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:53:31,326 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:53:31,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.3675213675213675) internal successors, (160), 117 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:31,333 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2022-11-18 20:53:31,333 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:53:31,333 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:53:31,334 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:53:31,334 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:53:31,340 INFO L748 eck$LassoCheckResult]: Stem: 104#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 34#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 9#L542true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 79#L535true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 119#L550true main_#t~ret35#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; 26#L668true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 96#L644true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 52#L693-2true [2022-11-18 20:53:31,341 INFO L750 eck$LassoCheckResult]: Loop: 52#L693-2true assume !false; 82#L694true assume test_~splverifierCounter~0#1 < 4; 114#L695true test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 15#L703true assume !(0 != test_~tmp~5#1); 85#L703-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 92#L713true assume !(0 != test_~tmp___0~1#1); 18#L713-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 116#L723true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 88#L926true assume { :end_inline_startSystem } true; 3#L731-2true assume { :begin_inline_timeShift } true; 30#L759true assume !(0 != ~pumpRunning~0); 38#L759-2true assume !(0 != ~systemActive~0); 24#L766-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 112#L132true __utac_acc__Specification4_spec__1_#t~ret33#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret33#1;havoc __utac_acc__Specification4_spec__1_#t~ret33#1; 21#L565true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 20#L565-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 25#L776true assume { :end_inline_timeShift } true; 52#L693-2true [2022-11-18 20:53:31,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:31,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-18 20:53:31,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:31,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356520527] [2022-11-18 20:53:31,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:31,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:31,457 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:53:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:31,492 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:53:31,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:31,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1650147905, now seen corresponding path program 1 times [2022-11-18 20:53:31,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:31,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560999099] [2022-11-18 20:53:31,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:31,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:31,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:53:31,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:53:31,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560999099] [2022-11-18 20:53:31,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560999099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:53:31,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:53:31,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:53:31,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558411505] [2022-11-18 20:53:31,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:53:31,587 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 20:53:31,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:53:31,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:53:31,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:53:31,620 INFO L87 Difference]: Start difference. First operand has 118 states, 117 states have (on average 1.3675213675213675) internal successors, (160), 117 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:31,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:53:31,682 INFO L93 Difference]: Finished difference Result 115 states and 147 transitions. [2022-11-18 20:53:31,683 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 115 states and 147 transitions. [2022-11-18 20:53:31,707 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2022-11-18 20:53:31,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 115 states to 105 states and 136 transitions. [2022-11-18 20:53:31,713 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 105 [2022-11-18 20:53:31,714 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 105 [2022-11-18 20:53:31,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 105 states and 136 transitions. [2022-11-18 20:53:31,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:53:31,716 INFO L218 hiAutomatonCegarLoop]: Abstraction has 105 states and 136 transitions. [2022-11-18 20:53:31,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states and 136 transitions. [2022-11-18 20:53:31,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2022-11-18 20:53:31,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 105 states have (on average 1.2952380952380953) internal successors, (136), 104 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:31,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 136 transitions. [2022-11-18 20:53:31,760 INFO L240 hiAutomatonCegarLoop]: Abstraction has 105 states and 136 transitions. [2022-11-18 20:53:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:53:31,765 INFO L428 stractBuchiCegarLoop]: Abstraction has 105 states and 136 transitions. [2022-11-18 20:53:31,765 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:53:31,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 136 transitions. [2022-11-18 20:53:31,767 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2022-11-18 20:53:31,767 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:53:31,767 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:53:31,768 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:53:31,768 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:53:31,769 INFO L748 eck$LassoCheckResult]: Stem: 346#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 293#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 255#L542 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 256#L535 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 331#L550 main_#t~ret35#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; 285#L668 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 286#L644 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 284#L693-2 [2022-11-18 20:53:31,769 INFO L750 eck$LassoCheckResult]: Loop: 284#L693-2 assume !false; 314#L694 assume test_~splverifierCounter~0#1 < 4; 334#L695 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 267#L703 assume !(0 != test_~tmp~5#1); 269#L703-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 338#L713 assume !(0 != test_~tmp___0~1#1); 247#L713-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 273#L723 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 339#L926 assume { :end_inline_startSystem } true; 242#L731-2 assume { :begin_inline_timeShift } true; 243#L759 assume !(0 != ~pumpRunning~0); 280#L759-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 287#L791 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 288#L783-1 assume { :end_inline_processEnvironment__wrappee__base } true; 281#L791-1 assume { :end_inline_processEnvironment } true; 282#L766-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 283#L132 __utac_acc__Specification4_spec__1_#t~ret33#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret33#1;havoc __utac_acc__Specification4_spec__1_#t~ret33#1; 278#L565 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 276#L565-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 277#L776 assume { :end_inline_timeShift } true; 284#L693-2 [2022-11-18 20:53:31,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:31,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-18 20:53:31,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:31,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474196337] [2022-11-18 20:53:31,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:31,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:31,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:53:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:31,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:53:31,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:31,798 INFO L85 PathProgramCache]: Analyzing trace with hash 956673032, now seen corresponding path program 1 times [2022-11-18 20:53:31,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:31,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787952054] [2022-11-18 20:53:31,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:31,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:31,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:53:31,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:53:31,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787952054] [2022-11-18 20:53:31,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787952054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:53:31,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:53:31,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:53:31,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84232686] [2022-11-18 20:53:31,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:53:31,828 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 20:53:31,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:53:31,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:53:31,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:53:31,830 INFO L87 Difference]: Start difference. First operand 105 states and 136 transitions. cyclomatic complexity: 33 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) [2022-11-18 20:53:31,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:53:31,891 INFO L93 Difference]: Finished difference Result 161 states and 202 transitions. [2022-11-18 20:53:31,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 161 states and 202 transitions. [2022-11-18 20:53:31,894 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2022-11-18 20:53:31,896 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 161 states to 161 states and 202 transitions. [2022-11-18 20:53:31,896 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 161 [2022-11-18 20:53:31,897 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 161 [2022-11-18 20:53:31,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 161 states and 202 transitions. [2022-11-18 20:53:31,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:53:31,898 INFO L218 hiAutomatonCegarLoop]: Abstraction has 161 states and 202 transitions. [2022-11-18 20:53:31,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states and 202 transitions. [2022-11-18 20:53:31,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-11-18 20:53:31,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 161 states have (on average 1.2546583850931676) internal successors, (202), 160 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:53:31,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 202 transitions. [2022-11-18 20:53:31,908 INFO L240 hiAutomatonCegarLoop]: Abstraction has 161 states and 202 transitions. [2022-11-18 20:53:31,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:53:31,909 INFO L428 stractBuchiCegarLoop]: Abstraction has 161 states and 202 transitions. [2022-11-18 20:53:31,909 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:53:31,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 161 states and 202 transitions. [2022-11-18 20:53:31,911 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2022-11-18 20:53:31,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:53:31,912 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:53:31,912 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:53:31,912 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] [2022-11-18 20:53:31,913 INFO L748 eck$LassoCheckResult]: Stem: 627#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 565#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 527#L542 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 528#L535 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 606#L550 main_#t~ret35#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; 557#L668 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 558#L644 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 554#L693-2 [2022-11-18 20:53:31,913 INFO L750 eck$LassoCheckResult]: Loop: 554#L693-2 assume !false; 585#L694 assume test_~splverifierCounter~0#1 < 4; 611#L695 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 537#L703 assume !(0 != test_~tmp~5#1); 539#L703-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 615#L713 assume !(0 != test_~tmp___0~1#1); 519#L713-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 543#L723 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 616#L926 assume { :end_inline_startSystem } true; 514#L731-2 assume { :begin_inline_timeShift } true; 515#L759 assume !(0 != ~pumpRunning~0); 560#L759-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 555#L791 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 556#L140 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 583#L145 isHighWaterLevel_#t~ret51#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret51#1;havoc isHighWaterLevel_#t~ret51#1; 584#L911 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~2#1 := 0; 544#L911-2 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 545#L917 processEnvironment_#t~ret40#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~6#1 := processEnvironment_#t~ret40#1;havoc processEnvironment_#t~ret40#1; 520#L795 assume !(0 != processEnvironment_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 522#L783 assume { :end_inline_processEnvironment__wrappee__base } true; 551#L791-1 assume { :end_inline_processEnvironment } true; 552#L766-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 553#L132 __utac_acc__Specification4_spec__1_#t~ret33#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret33#1;havoc __utac_acc__Specification4_spec__1_#t~ret33#1; 548#L565 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 546#L565-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 547#L776 assume { :end_inline_timeShift } true; 554#L693-2 [2022-11-18 20:53:31,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:31,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-11-18 20:53:31,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:31,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710415018] [2022-11-18 20:53:31,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:31,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:31,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:53:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:31,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:53:31,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:31,941 INFO L85 PathProgramCache]: Analyzing trace with hash 20566992, now seen corresponding path program 1 times [2022-11-18 20:53:31,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:31,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747382933] [2022-11-18 20:53:31,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:31,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:31,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:53:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:31,971 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:53:31,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:31,972 INFO L85 PathProgramCache]: Analyzing trace with hash -105874284, now seen corresponding path program 1 times [2022-11-18 20:53:31,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:31,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040366945] [2022-11-18 20:53:31,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:31,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:31,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:53:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:32,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:53:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:33,372 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:53:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:33,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:53:33 BoogieIcfgContainer [2022-11-18 20:53:33,448 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:53:33,448 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:53:33,448 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:53:33,449 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:53:33,449 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:53:31" (3/4) ... [2022-11-18 20:53:33,451 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-18 20:53:33,556 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:53:33,557 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:53:33,558 INFO L158 Benchmark]: Toolchain (without parser) took 3517.42ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 87.0MB in the beginning and 144.2MB in the end (delta: -57.2MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2022-11-18 20:53:33,558 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:53:33,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 537.07ms. Allocated memory is still 127.9MB. Free memory was 86.8MB in the beginning and 93.9MB in the end (delta: -7.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:53:33,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.27ms. Allocated memory is still 127.9MB. Free memory was 93.9MB in the beginning and 91.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:53:33,560 INFO L158 Benchmark]: Boogie Preprocessor took 30.14ms. Allocated memory is still 127.9MB. Free memory was 91.0MB in the beginning and 89.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:53:33,560 INFO L158 Benchmark]: RCFGBuilder took 528.28ms. Allocated memory is still 127.9MB. Free memory was 89.3MB in the beginning and 70.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-18 20:53:33,561 INFO L158 Benchmark]: BuchiAutomizer took 2228.95ms. Allocated memory is still 127.9MB. Free memory was 70.1MB in the beginning and 41.3MB in the end (delta: 28.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2022-11-18 20:53:33,562 INFO L158 Benchmark]: Witness Printer took 108.73ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 41.3MB in the beginning and 144.2MB in the end (delta: -102.9MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2022-11-18 20:53:33,564 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 537.07ms. Allocated memory is still 127.9MB. Free memory was 86.8MB in the beginning and 93.9MB in the end (delta: -7.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.27ms. Allocated memory is still 127.9MB. Free memory was 93.9MB in the beginning and 91.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.14ms. Allocated memory is still 127.9MB. Free memory was 91.0MB in the beginning and 89.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 528.28ms. Allocated memory is still 127.9MB. Free memory was 89.3MB in the beginning and 70.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2228.95ms. Allocated memory is still 127.9MB. Free memory was 70.1MB in the beginning and 41.3MB in the end (delta: 28.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Witness Printer took 108.73ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 41.3MB in the beginning and 144.2MB in the end (delta: -102.9MB). Peak memory consumption was 6.9MB. 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 161 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 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, 251 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 251 mSDsluCounter, 352 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 280 mSDtfsCounter, 24 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: 693]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L320] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L58] int methaneLevelCritical = 0; [L752] int pumpRunning = 0; [L57] int waterLevel = 1; [L753] int systemActive = 1; [L583] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L659] int retValue_acc ; [L660] int tmp ; [L664] FCALL select_helpers() [L665] FCALL select_features() [L666] CALL, EXPR valid_product() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L666] RET, EXPR valid_product() [L666] tmp = valid_product() [L668] COND TRUE \read(tmp) [L670] FCALL setup() [L671] CALL runTest() [L653] CALL test() [L684] int splverifierCounter ; [L685] int tmp ; [L686] int tmp___0 ; [L687] int tmp___1 ; [L688] int tmp___2 ; [L691] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L693] COND TRUE 1 [L695] COND TRUE splverifierCounter < 4 [L701] tmp = __VERIFIER_nondet_int() [L703] COND FALSE !(\read(tmp)) [L711] tmp___0 = __VERIFIER_nondet_int() [L713] COND FALSE !(\read(tmp___0)) [L721] tmp___2 = __VERIFIER_nondet_int() [L723] COND TRUE \read(tmp___2) [L725] CALL startSystem() [L925] systemActive = 1 [L725] RET startSystem() [L738] CALL timeShift() [L759] COND FALSE !(\read(pumpRunning)) [L766] COND TRUE \read(systemActive) [L768] CALL processEnvironment() [L788] int tmp ; [L791] COND TRUE ! pumpRunning [L793] CALL, EXPR isHighWaterLevel() [L903] int retValue_acc ; [L904] int tmp ; [L905] int tmp___0 ; [L909] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L909] RET, EXPR isHighWaterSensorDry() [L909] tmp = isHighWaterSensorDry() [L911] COND TRUE \read(tmp) [L912] tmp___0 = 0 [L916] retValue_acc = tmp___0 [L917] return (retValue_acc); [L793] RET, EXPR isHighWaterLevel() [L793] tmp = isHighWaterLevel() [L795] COND FALSE !(\read(tmp)) [L801] FCALL processEnvironment__wrappee__base() [L768] RET processEnvironment() [L774] CALL __utac_acc__Specification4_spec__1() [L558] int tmp ; [L559] int tmp___0 ; [L563] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L563] RET, EXPR getWaterLevel() [L563] tmp = getWaterLevel() [L565] COND FALSE !(tmp == 0) [L774] RET __utac_acc__Specification4_spec__1() [L738] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 693]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L320] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L58] int methaneLevelCritical = 0; [L752] int pumpRunning = 0; [L57] int waterLevel = 1; [L753] int systemActive = 1; [L583] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L659] int retValue_acc ; [L660] int tmp ; [L664] FCALL select_helpers() [L665] FCALL select_features() [L666] CALL, EXPR valid_product() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L666] RET, EXPR valid_product() [L666] tmp = valid_product() [L668] COND TRUE \read(tmp) [L670] FCALL setup() [L671] CALL runTest() [L653] CALL test() [L684] int splverifierCounter ; [L685] int tmp ; [L686] int tmp___0 ; [L687] int tmp___1 ; [L688] int tmp___2 ; [L691] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L693] COND TRUE 1 [L695] COND TRUE splverifierCounter < 4 [L701] tmp = __VERIFIER_nondet_int() [L703] COND FALSE !(\read(tmp)) [L711] tmp___0 = __VERIFIER_nondet_int() [L713] COND FALSE !(\read(tmp___0)) [L721] tmp___2 = __VERIFIER_nondet_int() [L723] COND TRUE \read(tmp___2) [L725] CALL startSystem() [L925] systemActive = 1 [L725] RET startSystem() [L738] CALL timeShift() [L759] COND FALSE !(\read(pumpRunning)) [L766] COND TRUE \read(systemActive) [L768] CALL processEnvironment() [L788] int tmp ; [L791] COND TRUE ! pumpRunning [L793] CALL, EXPR isHighWaterLevel() [L903] int retValue_acc ; [L904] int tmp ; [L905] int tmp___0 ; [L909] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L909] RET, EXPR isHighWaterSensorDry() [L909] tmp = isHighWaterSensorDry() [L911] COND TRUE \read(tmp) [L912] tmp___0 = 0 [L916] retValue_acc = tmp___0 [L917] return (retValue_acc); [L793] RET, EXPR isHighWaterLevel() [L793] tmp = isHighWaterLevel() [L795] COND FALSE !(\read(tmp)) [L801] FCALL processEnvironment__wrappee__base() [L768] RET processEnvironment() [L774] CALL __utac_acc__Specification4_spec__1() [L558] int tmp ; [L559] int tmp___0 ; [L563] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L563] RET, EXPR getWaterLevel() [L563] tmp = getWaterLevel() [L565] COND FALSE !(tmp == 0) [L774] RET __utac_acc__Specification4_spec__1() [L738] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-18 20:53:33,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8321cc-336f-429f-bc7a-5d8504244313/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)