./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a 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_6375c45e-4dda-448a-9703-f450dbe62e64/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6375c45e-4dda-448a-9703-f450dbe62e64/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6375c45e-4dda-448a-9703-f450dbe62e64/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6375c45e-4dda-448a-9703-f450dbe62e64/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6375c45e-4dda-448a-9703-f450dbe62e64/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6375c45e-4dda-448a-9703-f450dbe62e64/bin/uautomizer-ZsLfNo2U6R --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 47239d678f7aaf21a2fed69a46673ac27eceb8c724d4476eded10389fccd5c92 --- 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-38b53e6 [2022-11-25 16:42:31,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:42:31,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:42:31,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:42:31,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:42:31,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:42:31,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:42:31,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:42:31,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:42:31,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:42:31,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:42:31,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:42:31,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:42:31,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:42:31,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:42:31,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:42:31,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:42:31,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:42:31,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:42:31,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:42:31,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:42:31,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:42:31,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:42:31,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:42:31,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:42:31,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:42:31,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:42:31,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:42:31,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:42:31,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:42:31,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:42:31,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:42:31,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:42:31,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:42:31,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:42:31,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:42:31,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:42:31,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:42:31,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:42:31,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:42:31,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:42:31,669 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6375c45e-4dda-448a-9703-f450dbe62e64/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 16:42:31,713 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:42:31,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:42:31,718 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:42:31,718 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:42:31,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:42:31,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:42:31,720 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:42:31,720 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 16:42:31,721 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 16:42:31,721 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 16:42:31,722 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 16:42:31,722 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 16:42:31,723 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 16:42:31,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:42:31,723 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 16:42:31,723 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:42:31,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:42:31,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 16:42:31,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:42:31,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 16:42:31,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 16:42:31,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 16:42:31,725 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 16:42:31,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:42:31,725 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 16:42:31,726 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:42:31,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 16:42:31,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:42:31,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:42:31,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:42:31,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:42:31,732 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 16:42:31,732 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_6375c45e-4dda-448a-9703-f450dbe62e64/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6375c45e-4dda-448a-9703-f450dbe62e64/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47239d678f7aaf21a2fed69a46673ac27eceb8c724d4476eded10389fccd5c92 [2022-11-25 16:42:32,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:42:32,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:42:32,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:42:32,073 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:42:32,074 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:42:32,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6375c45e-4dda-448a-9703-f450dbe62e64/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2022-11-25 16:42:35,241 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:42:35,558 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:42:35,559 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6375c45e-4dda-448a-9703-f450dbe62e64/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2022-11-25 16:42:35,575 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6375c45e-4dda-448a-9703-f450dbe62e64/bin/uautomizer-ZsLfNo2U6R/data/5210640fb/8a34fbb170714020878912438a2decf0/FLAG696f67049 [2022-11-25 16:42:35,601 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6375c45e-4dda-448a-9703-f450dbe62e64/bin/uautomizer-ZsLfNo2U6R/data/5210640fb/8a34fbb170714020878912438a2decf0 [2022-11-25 16:42:35,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:42:35,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:42:35,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:42:35,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:42:35,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:42:35,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:42:35" (1/1) ... [2022-11-25 16:42:35,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e757411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:35, skipping insertion in model container [2022-11-25 16:42:35,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:42:35" (1/1) ... [2022-11-25 16:42:35,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:42:35,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:42:35,980 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_6375c45e-4dda-448a-9703-f450dbe62e64/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c[17118,17131] [2022-11-25 16:42:35,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:42:35,995 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:42:36,106 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_6375c45e-4dda-448a-9703-f450dbe62e64/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c[17118,17131] [2022-11-25 16:42:36,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:42:36,151 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:42:36,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:36 WrapperNode [2022-11-25 16:42:36,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:42:36,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:42:36,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:42:36,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:42:36,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:36" (1/1) ... [2022-11-25 16:42:36,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:36" (1/1) ... [2022-11-25 16:42:36,200 INFO L138 Inliner]: procedures = 50, calls = 89, calls flagged for inlining = 42, calls inlined = 33, statements flattened = 238 [2022-11-25 16:42:36,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:42:36,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:42:36,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:42:36,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:42:36,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:36" (1/1) ... [2022-11-25 16:42:36,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:36" (1/1) ... [2022-11-25 16:42:36,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:36" (1/1) ... [2022-11-25 16:42:36,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:36" (1/1) ... [2022-11-25 16:42:36,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:36" (1/1) ... [2022-11-25 16:42:36,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:36" (1/1) ... [2022-11-25 16:42:36,224 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:36" (1/1) ... [2022-11-25 16:42:36,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:36" (1/1) ... [2022-11-25 16:42:36,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:42:36,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:42:36,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:42:36,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:42:36,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:36" (1/1) ... [2022-11-25 16:42:36,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:42:36,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6375c45e-4dda-448a-9703-f450dbe62e64/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:42:36,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6375c45e-4dda-448a-9703-f450dbe62e64/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:42:36,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6375c45e-4dda-448a-9703-f450dbe62e64/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 16:42:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:42:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:42:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:42:36,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:42:36,503 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:42:36,505 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:42:36,928 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:42:36,937 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:42:36,937 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 16:42:36,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:42:36 BoogieIcfgContainer [2022-11-25 16:42:36,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:42:36,942 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 16:42:36,942 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 16:42:36,947 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 16:42:36,948 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:42:36,949 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 04:42:35" (1/3) ... [2022-11-25 16:42:36,959 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59971423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 04:42:36, skipping insertion in model container [2022-11-25 16:42:36,959 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:42:36,960 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:36" (2/3) ... [2022-11-25 16:42:36,960 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59971423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 04:42:36, skipping insertion in model container [2022-11-25 16:42:36,960 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:42:36,960 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:42:36" (3/3) ... [2022-11-25 16:42:36,962 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2022-11-25 16:42:37,042 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 16:42:37,042 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 16:42:37,042 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 16:42:37,042 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 16:42:37,043 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 16:42:37,043 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 16:42:37,043 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 16:42:37,043 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 16:42:37,049 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 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) [2022-11-25 16:42:37,081 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2022-11-25 16:42:37,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:42:37,082 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:42:37,091 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:42:37,091 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:42:37,091 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 16:42:37,094 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 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) [2022-11-25 16:42:37,100 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2022-11-25 16:42:37,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:42:37,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:42:37,102 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:42:37,102 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:42:37,108 INFO L748 eck$LassoCheckResult]: Stem: 63#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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 49#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret18#1, main_~retValue_acc~4#1, main_~tmp~1#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 4#L259true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 62#L252true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 34#L267true main_#t~ret18#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret18#1;havoc main_#t~ret18#1; 27#L356true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 10#L331true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 74#L377true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 29#L179-2true [2022-11-25 16:42:37,109 INFO L750 eck$LassoCheckResult]: Loop: 29#L179-2true assume !false; 2#L180true assume test_~splverifierCounter~0#1 < 4; 37#L181true test_~tmp~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 24#L189true assume !(0 != test_~tmp~0#1); 59#L189-2true test_~tmp___0~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 61#L199true assume !(0 != test_~tmp___0~0#1); 50#L199-2true test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 53#L209true assume 0 != test_~tmp___2~0#1; 66#L215-2true assume { :begin_inline_timeShift } true; 45#L66true assume !(0 != ~pumpRunning~0); 54#L66-2true assume !(0 != ~systemActive~0); 55#L73-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~2#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 36#L820true __utac_acc__Specification2_spec__2_#t~ret19#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2#1 := __utac_acc__Specification2_spec__2_#t~ret19#1;havoc __utac_acc__Specification2_spec__2_#t~ret19#1; 25#L388true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2#1);~methAndRunningLastTime~0 := 0; 46#L388-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 32#L83true assume { :end_inline_timeShift } true; 29#L179-2true [2022-11-25 16:42:37,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:42:37,118 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-25 16:42:37,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:42:37,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739341015] [2022-11-25 16:42:37,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:42:37,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:42:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:42:37,262 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:42:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:42:37,311 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:42:37,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:42:37,316 INFO L85 PathProgramCache]: Analyzing trace with hash 980400586, now seen corresponding path program 1 times [2022-11-25 16:42:37,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:42:37,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038698624] [2022-11-25 16:42:37,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:42:37,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:42:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:42:37,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:42:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:42:37,347 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:42:37,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:42:37,350 INFO L85 PathProgramCache]: Analyzing trace with hash 818113203, now seen corresponding path program 1 times [2022-11-25 16:42:37,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:42:37,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189744755] [2022-11-25 16:42:37,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:42:37,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:42:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:42:37,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:42:37,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:42:37,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189744755] [2022-11-25 16:42:37,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189744755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:42:37,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:42:37,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 16:42:37,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138814390] [2022-11-25 16:42:37,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:42:37,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:42:37,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 16:42:37,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:42:37,917 INFO L87 Difference]: Start difference. First operand has 79 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2022-11-25 16:42:38,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:42:38,018 INFO L93 Difference]: Finished difference Result 76 states and 95 transitions. [2022-11-25 16:42:38,019 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 95 transitions. [2022-11-25 16:42:38,022 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2022-11-25 16:42:38,045 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 66 states and 85 transitions. [2022-11-25 16:42:38,046 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 66 [2022-11-25 16:42:38,053 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 66 [2022-11-25 16:42:38,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 85 transitions. [2022-11-25 16:42:38,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:42:38,055 INFO L218 hiAutomatonCegarLoop]: Abstraction has 66 states and 85 transitions. [2022-11-25 16:42:38,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 85 transitions. [2022-11-25 16:42:38,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-11-25 16:42:38,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 66 states have (on average 1.2878787878787878) internal successors, (85), 65 states have internal predecessors, (85), 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) [2022-11-25 16:42:38,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2022-11-25 16:42:38,087 INFO L240 hiAutomatonCegarLoop]: Abstraction has 66 states and 85 transitions. [2022-11-25 16:42:38,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:42:38,096 INFO L428 stractBuchiCegarLoop]: Abstraction has 66 states and 85 transitions. [2022-11-25 16:42:38,096 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 16:42:38,096 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states and 85 transitions. [2022-11-25 16:42:38,097 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2022-11-25 16:42:38,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:42:38,098 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:42:38,098 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:42:38,098 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:42:38,099 INFO L748 eck$LassoCheckResult]: Stem: 235#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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 225#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret18#1, main_~retValue_acc~4#1, main_~tmp~1#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 176#L259 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 177#L252 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 216#L267 main_#t~ret18#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret18#1;havoc main_#t~ret18#1; 211#L356 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 185#L331 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 186#L377 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 212#L179-2 [2022-11-25 16:42:38,099 INFO L750 eck$LassoCheckResult]: Loop: 212#L179-2 assume !false; 173#L180 assume test_~splverifierCounter~0#1 < 4; 174#L181 test_~tmp~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 207#L189 assume !(0 != test_~tmp~0#1); 208#L189-2 test_~tmp___0~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 234#L199 assume !(0 != test_~tmp___0~0#1); 181#L199-2 test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 228#L209 assume 0 != test_~tmp___2~0#1; 229#L215-2 assume { :begin_inline_timeShift } true; 222#L66 assume !(0 != ~pumpRunning~0); 223#L66-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 231#L90 assume { :end_inline_processEnvironment } true; 232#L73-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~2#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 217#L820 __utac_acc__Specification2_spec__2_#t~ret19#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2#1 := __utac_acc__Specification2_spec__2_#t~ret19#1;havoc __utac_acc__Specification2_spec__2_#t~ret19#1; 209#L388 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2#1);~methAndRunningLastTime~0 := 0; 202#L388-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 213#L83 assume { :end_inline_timeShift } true; 212#L179-2 [2022-11-25 16:42:38,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:42:38,100 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-25 16:42:38,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:42:38,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847660831] [2022-11-25 16:42:38,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:42:38,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:42:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:42:38,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:42:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:42:38,164 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:42:38,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:42:38,165 INFO L85 PathProgramCache]: Analyzing trace with hash 955548009, now seen corresponding path program 1 times [2022-11-25 16:42:38,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:42:38,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258963809] [2022-11-25 16:42:38,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:42:38,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:42:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:42:38,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:42:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:42:38,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:42:38,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:42:38,187 INFO L85 PathProgramCache]: Analyzing trace with hash 219606432, now seen corresponding path program 1 times [2022-11-25 16:42:38,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:42:38,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538074239] [2022-11-25 16:42:38,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:42:38,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:42:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:42:38,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:42:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:42:38,239 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:42:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:42:39,459 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:42:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:42:39,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 04:42:39 BoogieIcfgContainer [2022-11-25 16:42:39,525 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 16:42:39,526 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:42:39,526 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:42:39,526 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:42:39,527 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:42:36" (3/4) ... [2022-11-25 16:42:39,530 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-25 16:42:39,623 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6375c45e-4dda-448a-9703-f450dbe62e64/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 16:42:39,623 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:42:39,624 INFO L158 Benchmark]: Toolchain (without parser) took 4014.76ms. Allocated memory is still 195.0MB. Free memory was 148.3MB in the beginning and 161.9MB in the end (delta: -13.6MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. [2022-11-25 16:42:39,624 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:42:39,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.79ms. Allocated memory is still 195.0MB. Free memory was 148.3MB in the beginning and 130.3MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 16:42:39,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.49ms. Allocated memory is still 195.0MB. Free memory was 130.3MB in the beginning and 128.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:42:39,625 INFO L158 Benchmark]: Boogie Preprocessor took 26.48ms. Allocated memory is still 195.0MB. Free memory was 128.2MB in the beginning and 126.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:42:39,626 INFO L158 Benchmark]: RCFGBuilder took 712.40ms. Allocated memory is still 195.0MB. Free memory was 126.1MB in the beginning and 111.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 16:42:39,626 INFO L158 Benchmark]: BuchiAutomizer took 2583.44ms. Allocated memory is still 195.0MB. Free memory was 110.6MB in the beginning and 69.2MB in the end (delta: 41.3MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2022-11-25 16:42:39,627 INFO L158 Benchmark]: Witness Printer took 97.27ms. Allocated memory is still 195.0MB. Free memory was 69.2MB in the beginning and 161.9MB in the end (delta: -92.6MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2022-11-25 16:42:39,629 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.79ms. Allocated memory is still 195.0MB. Free memory was 148.3MB in the beginning and 130.3MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.49ms. Allocated memory is still 195.0MB. Free memory was 130.3MB in the beginning and 128.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.48ms. Allocated memory is still 195.0MB. Free memory was 128.2MB in the beginning and 126.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 712.40ms. Allocated memory is still 195.0MB. Free memory was 126.1MB in the beginning and 111.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2583.44ms. Allocated memory is still 195.0MB. Free memory was 110.6MB in the beginning and 69.2MB in the end (delta: 41.3MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Witness Printer took 97.27ms. Allocated memory is still 195.0MB. Free memory was 69.2MB in the beginning and 161.9MB in the end (delta: -92.6MB). Peak memory consumption was 4.9MB. 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 66 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 275 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 275 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 90 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 179]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L272] int cleanupTimeShifts = 4; [L371] int methAndRunningLastTime ; [L579] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L777] int waterLevel = 1; [L778] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L347] int retValue_acc ; [L348] int tmp ; [L352] FCALL select_helpers() [L353] FCALL select_features() [L354] CALL, EXPR valid_product() [L263] int retValue_acc ; [L266] retValue_acc = 1 [L267] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L354] RET, EXPR valid_product() [L354] tmp = valid_product() [L356] COND TRUE \read(tmp) [L358] FCALL setup() [L359] CALL runTest() [L340] CALL __utac_acc__Specification2_spec__1() [L376] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L340] RET __utac_acc__Specification2_spec__1() [L341] CALL test() [L170] int splverifierCounter ; [L171] int tmp ; [L172] int tmp___0 ; [L173] int tmp___1 ; [L174] int tmp___2 ; [L177] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L179] COND TRUE 1 [L181] COND TRUE splverifierCounter < 4 [L187] tmp = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp)) [L197] tmp___0 = __VERIFIER_nondet_int() [L199] COND FALSE !(\read(tmp___0)) [L207] tmp___2 = __VERIFIER_nondet_int() [L209] COND TRUE \read(tmp___2) [L222] CALL timeShift() [L66] COND FALSE !(\read(pumpRunning)) [L73] COND TRUE \read(systemActive) [L75] FCALL processEnvironment() [L81] CALL __utac_acc__Specification2_spec__2() [L381] int tmp ; [L382] int tmp___0 ; [L386] CALL, EXPR isMethaneLevelCritical() [L816] int retValue_acc ; [L819] retValue_acc = methaneLevelCritical [L820] return (retValue_acc); [L386] RET, EXPR isMethaneLevelCritical() [L386] tmp = isMethaneLevelCritical() [L388] COND FALSE !(\read(tmp)) [L404] methAndRunningLastTime = 0 [L81] RET __utac_acc__Specification2_spec__2() [L222] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 179]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L272] int cleanupTimeShifts = 4; [L371] int methAndRunningLastTime ; [L579] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L777] int waterLevel = 1; [L778] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L347] int retValue_acc ; [L348] int tmp ; [L352] FCALL select_helpers() [L353] FCALL select_features() [L354] CALL, EXPR valid_product() [L263] int retValue_acc ; [L266] retValue_acc = 1 [L267] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L354] RET, EXPR valid_product() [L354] tmp = valid_product() [L356] COND TRUE \read(tmp) [L358] FCALL setup() [L359] CALL runTest() [L340] CALL __utac_acc__Specification2_spec__1() [L376] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L340] RET __utac_acc__Specification2_spec__1() [L341] CALL test() [L170] int splverifierCounter ; [L171] int tmp ; [L172] int tmp___0 ; [L173] int tmp___1 ; [L174] int tmp___2 ; [L177] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L179] COND TRUE 1 [L181] COND TRUE splverifierCounter < 4 [L187] tmp = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp)) [L197] tmp___0 = __VERIFIER_nondet_int() [L199] COND FALSE !(\read(tmp___0)) [L207] tmp___2 = __VERIFIER_nondet_int() [L209] COND TRUE \read(tmp___2) [L222] CALL timeShift() [L66] COND FALSE !(\read(pumpRunning)) [L73] COND TRUE \read(systemActive) [L75] FCALL processEnvironment() [L81] CALL __utac_acc__Specification2_spec__2() [L381] int tmp ; [L382] int tmp___0 ; [L386] CALL, EXPR isMethaneLevelCritical() [L816] int retValue_acc ; [L819] retValue_acc = methaneLevelCritical [L820] return (retValue_acc); [L386] RET, EXPR isMethaneLevelCritical() [L386] tmp = isMethaneLevelCritical() [L388] COND FALSE !(\read(tmp)) [L404] methAndRunningLastTime = 0 [L81] RET __utac_acc__Specification2_spec__2() [L222] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-25 16:42:39,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6375c45e-4dda-448a-9703-f450dbe62e64/bin/uautomizer-ZsLfNo2U6R/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)