./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f576808-3957-45ea-8851-0ecf67ad332f/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f576808-3957-45ea-8851-0ecf67ad332f/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f576808-3957-45ea-8851-0ecf67ad332f/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f576808-3957-45ea-8851-0ecf67ad332f/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f576808-3957-45ea-8851-0ecf67ad332f/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f576808-3957-45ea-8851-0ecf67ad332f/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 909de5fe3a7d5a638d67615e2b4d48b563eefeab07033d1b2a29843c731be596 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:42:51,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:42:51,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:42:51,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:42:51,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:42:51,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:42:51,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:42:51,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:42:51,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:42:51,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:42:51,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:42:51,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:42:51,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:42:51,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:42:51,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:42:51,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:42:51,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:42:51,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:42:51,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:42:51,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:42:51,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:42:51,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:42:51,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:42:51,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:42:51,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:42:51,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:42:51,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:42:51,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:42:51,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:42:51,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:42:51,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:42:51,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:42:51,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:42:51,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:42:51,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:42:51,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:42:51,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:42:51,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:42:51,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:42:51,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:42:51,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:42:51,620 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f576808-3957-45ea-8851-0ecf67ad332f/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 10:42:51,659 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:42:51,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:42:51,661 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:42:51,661 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:42:51,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:42:51,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:42:51,663 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:42:51,663 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 10:42:51,664 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 10:42:51,664 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 10:42:51,665 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 10:42:51,665 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 10:42:51,665 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 10:42:51,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:42:51,666 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:42:51,666 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:42:51,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:42:51,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:42:51,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:42:51,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 10:42:51,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 10:42:51,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 10:42:51,668 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:42:51,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:42:51,669 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 10:42:51,669 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:42:51,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 10:42:51,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:42:51,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:42:51,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:42:51,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:42:51,672 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 10:42:51,673 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_8f576808-3957-45ea-8851-0ecf67ad332f/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f576808-3957-45ea-8851-0ecf67ad332f/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 909de5fe3a7d5a638d67615e2b4d48b563eefeab07033d1b2a29843c731be596 [2022-11-20 10:42:51,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:42:52,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:42:52,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:42:52,035 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:42:52,035 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:42:52,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f576808-3957-45ea-8851-0ecf67ad332f/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2022-11-20 10:42:55,167 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:42:55,484 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:42:55,485 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f576808-3957-45ea-8851-0ecf67ad332f/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2022-11-20 10:42:55,499 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f576808-3957-45ea-8851-0ecf67ad332f/bin/uautomizer-ug76WZFUDN/data/6a88ecdb5/39978249494a4e069727799126c47499/FLAG732c188f8 [2022-11-20 10:42:55,517 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f576808-3957-45ea-8851-0ecf67ad332f/bin/uautomizer-ug76WZFUDN/data/6a88ecdb5/39978249494a4e069727799126c47499 [2022-11-20 10:42:55,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:42:55,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:42:55,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:42:55,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:42:55,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:42:55,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:42:55" (1/1) ... [2022-11-20 10:42:55,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32d013ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:55, skipping insertion in model container [2022-11-20 10:42:55,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:42:55" (1/1) ... [2022-11-20 10:42:55,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:42:55,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:42:55,851 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_8f576808-3957-45ea-8851-0ecf67ad332f/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c[19040,19053] [2022-11-20 10:42:55,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:42:55,865 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:42:55,999 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_8f576808-3957-45ea-8851-0ecf67ad332f/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c[19040,19053] [2022-11-20 10:42:56,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:42:56,017 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:42:56,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:56 WrapperNode [2022-11-20 10:42:56,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:42:56,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:42:56,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:42:56,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:42:56,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:56" (1/1) ... [2022-11-20 10:42:56,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:56" (1/1) ... [2022-11-20 10:42:56,082 INFO L138 Inliner]: procedures = 57, calls = 101, calls flagged for inlining = 54, calls inlined = 96, statements flattened = 685 [2022-11-20 10:42:56,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:42:56,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:42:56,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:42:56,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:42:56,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:56" (1/1) ... [2022-11-20 10:42:56,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:56" (1/1) ... [2022-11-20 10:42:56,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:56" (1/1) ... [2022-11-20 10:42:56,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:56" (1/1) ... [2022-11-20 10:42:56,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:56" (1/1) ... [2022-11-20 10:42:56,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:56" (1/1) ... [2022-11-20 10:42:56,148 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:56" (1/1) ... [2022-11-20 10:42:56,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:56" (1/1) ... [2022-11-20 10:42:56,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:42:56,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:42:56,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:42:56,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:42:56,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:56" (1/1) ... [2022-11-20 10:42:56,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:42:56,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f576808-3957-45ea-8851-0ecf67ad332f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:42:56,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f576808-3957-45ea-8851-0ecf67ad332f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:42:56,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f576808-3957-45ea-8851-0ecf67ad332f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 10:42:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:42:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:42:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:42:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:42:56,393 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:42:56,396 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:42:56,986 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:42:56,995 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:42:56,996 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 10:42:56,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:42:56 BoogieIcfgContainer [2022-11-20 10:42:56,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:42:57,000 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 10:42:57,000 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 10:42:57,004 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 10:42:57,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:42:57,006 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:42:55" (1/3) ... [2022-11-20 10:42:57,007 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@205407ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:42:57, skipping insertion in model container [2022-11-20 10:42:57,007 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:42:57,007 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:42:56" (2/3) ... [2022-11-20 10:42:57,008 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@205407ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:42:57, skipping insertion in model container [2022-11-20 10:42:57,008 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:42:57,008 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:42:56" (3/3) ... [2022-11-20 10:42:57,010 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2022-11-20 10:42:57,070 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 10:42:57,070 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 10:42:57,071 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 10:42:57,071 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 10:42:57,071 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 10:42:57,071 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 10:42:57,071 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 10:42:57,072 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 10:42:57,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 190 states, 189 states have (on average 1.3703703703703705) internal successors, (259), 189 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:42:57,117 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2022-11-20 10:42:57,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:42:57,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:42:57,127 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:42:57,127 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:42:57,128 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 10:42:57,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 190 states, 189 states have (on average 1.3703703703703705) internal successors, (259), 189 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:42:57,146 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2022-11-20 10:42:57,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:42:57,150 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:42:57,152 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:42:57,153 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:42:57,160 INFO L748 eck$LassoCheckResult]: Stem: 172#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 63#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~6#1, main_~tmp~0#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 93#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 182#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 41#L83true main_#t~ret10#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 131#L286true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 102#L260true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 18#L308true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 51#L568-2true [2022-11-20 10:42:57,163 INFO L750 eck$LassoCheckResult]: Loop: 51#L568-2true assume !false; 53#L569true assume test_~splverifierCounter~0#1 < 4; 62#L570true test_~tmp~7#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 73#L578true assume !(0 != test_~tmp~7#1); 176#L578-2true test_~tmp___0~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 142#L588true assume !(0 != test_~tmp___0~3#1); 162#L588-2true test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 169#L598true assume 0 != test_~tmp___2~0#1; 97#L604-2true assume { :begin_inline_timeShift } true; 156#L350true assume !(0 != ~pumpRunning~0); 164#L350-2true assume !(0 != ~systemActive~0); 155#L357-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 31#L139-2true __utac_acc__Specification2_spec__2_#t~ret11#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1; 190#L319true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 157#L319-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 24#L367true assume { :end_inline_timeShift } true; 51#L568-2true [2022-11-20 10:42:57,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:57,170 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-20 10:42:57,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:42:57,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774697800] [2022-11-20 10:42:57,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:57,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:42:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:42:57,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:42:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:42:57,392 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:42:57,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:57,396 INFO L85 PathProgramCache]: Analyzing trace with hash 265031466, now seen corresponding path program 1 times [2022-11-20 10:42:57,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:42:57,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64329107] [2022-11-20 10:42:57,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:57,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:42:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:42:57,424 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:42:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:42:57,442 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:42:57,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:57,444 INFO L85 PathProgramCache]: Analyzing trace with hash 102744083, now seen corresponding path program 1 times [2022-11-20 10:42:57,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:42:57,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810936701] [2022-11-20 10:42:57,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:57,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:42:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:42:57,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:42:57,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:42:57,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810936701] [2022-11-20 10:42:57,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810936701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:42:57,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:42:57,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:42:57,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318111143] [2022-11-20 10:42:57,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:42:57,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:42:57,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:42:57,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:42:57,972 INFO L87 Difference]: Start difference. First operand has 190 states, 189 states have (on average 1.3703703703703705) internal successors, (259), 189 states have internal predecessors, (259), 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) [2022-11-20 10:42:58,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:42:58,102 INFO L93 Difference]: Finished difference Result 187 states and 245 transitions. [2022-11-20 10:42:58,104 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 187 states and 245 transitions. [2022-11-20 10:42:58,110 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2022-11-20 10:42:58,115 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 187 states to 177 states and 235 transitions. [2022-11-20 10:42:58,116 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 177 [2022-11-20 10:42:58,117 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 177 [2022-11-20 10:42:58,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 177 states and 235 transitions. [2022-11-20 10:42:58,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:42:58,121 INFO L218 hiAutomatonCegarLoop]: Abstraction has 177 states and 235 transitions. [2022-11-20 10:42:58,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states and 235 transitions. [2022-11-20 10:42:58,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2022-11-20 10:42:58,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 177 states have (on average 1.3276836158192091) internal successors, (235), 176 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:42:58,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 235 transitions. [2022-11-20 10:42:58,167 INFO L240 hiAutomatonCegarLoop]: Abstraction has 177 states and 235 transitions. [2022-11-20 10:42:58,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:42:58,172 INFO L428 stractBuchiCegarLoop]: Abstraction has 177 states and 235 transitions. [2022-11-20 10:42:58,173 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 10:42:58,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 177 states and 235 transitions. [2022-11-20 10:42:58,175 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2022-11-20 10:42:58,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:42:58,176 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:42:58,177 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:42:58,177 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] [2022-11-20 10:42:58,177 INFO L748 eck$LassoCheckResult]: Stem: 570#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 488#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~6#1, main_~tmp~0#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 489#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 528#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 463#L83 main_#t~ret10#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 464#L286 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 534#L260 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 423#L308 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 424#L568-2 [2022-11-20 10:42:58,178 INFO L750 eck$LassoCheckResult]: Loop: 424#L568-2 assume !false; 475#L569 assume test_~splverifierCounter~0#1 < 4; 476#L570 test_~tmp~7#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 487#L578 assume !(0 != test_~tmp~7#1); 491#L578-2 test_~tmp___0~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 558#L588 assume !(0 != test_~tmp___0~3#1); 559#L588-2 test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 568#L598 assume 0 != test_~tmp___2~0#1; 511#L604-2 assume { :begin_inline_timeShift } true; 531#L350 assume !(0 != ~pumpRunning~0); 502#L350-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 567#L408 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 433#L382-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 435#L374-3 assume { :end_inline_processEnvironment__wrappee__base } true; 447#L382-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 468#L408-1 assume { :end_inline_processEnvironment } true; 557#L357-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 444#L139-2 __utac_acc__Specification2_spec__2_#t~ret11#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1; 445#L319 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 406#L319-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 432#L367 assume { :end_inline_timeShift } true; 424#L568-2 [2022-11-20 10:42:58,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:58,179 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-20 10:42:58,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:42:58,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934748361] [2022-11-20 10:42:58,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:58,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:42:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:42:58,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:42:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:42:58,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:42:58,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:58,239 INFO L85 PathProgramCache]: Analyzing trace with hash -402659817, now seen corresponding path program 1 times [2022-11-20 10:42:58,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:42:58,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703565881] [2022-11-20 10:42:58,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:58,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:42:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:42:58,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:42:58,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:42:58,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703565881] [2022-11-20 10:42:58,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703565881] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:42:58,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:42:58,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:42:58,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883820413] [2022-11-20 10:42:58,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:42:58,287 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 10:42:58,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:42:58,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:42:58,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:42:58,289 INFO L87 Difference]: Start difference. First operand 177 states and 235 transitions. cyclomatic complexity: 60 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:42:58,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:42:58,428 INFO L93 Difference]: Finished difference Result 241 states and 309 transitions. [2022-11-20 10:42:58,428 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 241 states and 309 transitions. [2022-11-20 10:42:58,433 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 166 [2022-11-20 10:42:58,440 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 241 states to 241 states and 309 transitions. [2022-11-20 10:42:58,441 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 241 [2022-11-20 10:42:58,443 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 241 [2022-11-20 10:42:58,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 241 states and 309 transitions. [2022-11-20 10:42:58,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:42:58,450 INFO L218 hiAutomatonCegarLoop]: Abstraction has 241 states and 309 transitions. [2022-11-20 10:42:58,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states and 309 transitions. [2022-11-20 10:42:58,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2022-11-20 10:42:58,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 241 states have (on average 1.2821576763485478) internal successors, (309), 240 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:42:58,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 309 transitions. [2022-11-20 10:42:58,467 INFO L240 hiAutomatonCegarLoop]: Abstraction has 241 states and 309 transitions. [2022-11-20 10:42:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:42:58,469 INFO L428 stractBuchiCegarLoop]: Abstraction has 241 states and 309 transitions. [2022-11-20 10:42:58,469 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 10:42:58,469 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 241 states and 309 transitions. [2022-11-20 10:42:58,473 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 166 [2022-11-20 10:42:58,473 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:42:58,473 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:42:58,476 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:42:58,476 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, 1] [2022-11-20 10:42:58,477 INFO L748 eck$LassoCheckResult]: Stem: 1000#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 912#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~6#1, main_~tmp~0#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 913#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 952#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 886#L83 main_#t~ret10#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 887#L286 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 960#L260 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 847#L308 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 848#L568-2 [2022-11-20 10:42:58,477 INFO L750 eck$LassoCheckResult]: Loop: 848#L568-2 assume !false; 897#L569 assume test_~splverifierCounter~0#1 < 4; 899#L570 test_~tmp~7#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 911#L578 assume !(0 != test_~tmp~7#1); 915#L578-2 test_~tmp___0~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 985#L588 assume !(0 != test_~tmp___0~3#1); 986#L588-2 test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 998#L598 assume 0 != test_~tmp___2~0#1; 932#L604-2 assume { :begin_inline_timeShift } true; 954#L350 assume !(0 != ~pumpRunning~0); 996#L350-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 997#L408 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 857#L382-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret25#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;havoc isHighWaterSensorDry_~retValue_acc~4#1; 858#L179-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; 970#L184-1 isHighWaterLevel_#t~ret25#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret25#1;havoc isHighWaterLevel_#t~ret25#1; 980#L528-3 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~1#1 := 0; 981#L528-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 819#L534-1 processEnvironment__wrappee__highWaterSensor_#t~ret13#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret13#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1; 820#L386-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 869#L374-2 assume { :end_inline_processEnvironment__wrappee__base } true; 870#L382-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 892#L408-1 assume { :end_inline_processEnvironment } true; 984#L357-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 867#L139-2 __utac_acc__Specification2_spec__2_#t~ret11#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1; 868#L319 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 830#L319-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 856#L367 assume { :end_inline_timeShift } true; 848#L568-2 [2022-11-20 10:42:58,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:58,478 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-20 10:42:58,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:42:58,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570227289] [2022-11-20 10:42:58,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:58,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:42:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:42:58,511 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:42:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:42:58,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:42:58,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:58,532 INFO L85 PathProgramCache]: Analyzing trace with hash -114357681, now seen corresponding path program 1 times [2022-11-20 10:42:58,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:42:58,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812118833] [2022-11-20 10:42:58,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:58,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:42:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:42:58,546 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:42:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:42:58,556 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:42:58,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:58,557 INFO L85 PathProgramCache]: Analyzing trace with hash 56417734, now seen corresponding path program 1 times [2022-11-20 10:42:58,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:42:58,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52359490] [2022-11-20 10:42:58,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:58,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:42:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:42:58,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:42:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:42:58,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:42:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:42:59,987 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:42:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:43:00,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:43:00 BoogieIcfgContainer [2022-11-20 10:43:00,072 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 10:43:00,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:43:00,073 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:43:00,073 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:43:00,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:42:56" (3/4) ... [2022-11-20 10:43:00,077 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-20 10:43:00,171 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f576808-3957-45ea-8851-0ecf67ad332f/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:43:00,172 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:43:00,172 INFO L158 Benchmark]: Toolchain (without parser) took 4650.21ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 84.0MB in the beginning and 110.0MB in the end (delta: -26.0MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2022-11-20 10:43:00,173 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:43:00,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.31ms. Allocated memory is still 127.9MB. Free memory was 83.7MB in the beginning and 64.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 10:43:00,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.46ms. Allocated memory is still 127.9MB. Free memory was 64.8MB in the beginning and 61.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:43:00,174 INFO L158 Benchmark]: Boogie Preprocessor took 70.63ms. Allocated memory is still 127.9MB. Free memory was 61.3MB in the beginning and 58.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:43:00,175 INFO L158 Benchmark]: RCFGBuilder took 844.65ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 58.5MB in the beginning and 127.6MB in the end (delta: -69.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2022-11-20 10:43:00,175 INFO L158 Benchmark]: BuchiAutomizer took 3072.04ms. Allocated memory is still 174.1MB. Free memory was 127.6MB in the beginning and 113.1MB in the end (delta: 14.4MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2022-11-20 10:43:00,178 INFO L158 Benchmark]: Witness Printer took 99.50ms. Allocated memory is still 174.1MB. Free memory was 112.1MB in the beginning and 110.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:43:00,179 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 100.7MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.31ms. Allocated memory is still 127.9MB. Free memory was 83.7MB in the beginning and 64.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.46ms. Allocated memory is still 127.9MB. Free memory was 64.8MB in the beginning and 61.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.63ms. Allocated memory is still 127.9MB. Free memory was 61.3MB in the beginning and 58.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 844.65ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 58.5MB in the beginning and 127.6MB in the end (delta: -69.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 3072.04ms. Allocated memory is still 174.1MB. Free memory was 127.6MB in the beginning and 113.1MB in the end (delta: 14.4MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Witness Printer took 99.50ms. Allocated memory is still 174.1MB. Free memory was 112.1MB in the beginning and 110.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 6 locations. The remainder module has 241 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s 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, 893 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 893 mSDsluCounter, 571 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 111 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 460 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 568]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L96] int waterLevel = 1; [L97] int methaneLevelCritical = 0; [L199] int cleanupTimeShifts = 4; [L302] int methAndRunningLastTime ; [L343] int pumpRunning = 0; [L344] int systemActive = 1; [L792] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L277] int retValue_acc ; [L278] int tmp ; [L282] FCALL select_helpers() [L283] FCALL select_features() [L284] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L284] RET, EXPR valid_product() [L284] tmp = valid_product() [L286] COND TRUE \read(tmp) [L288] FCALL setup() [L289] CALL runTest() [L270] CALL __utac_acc__Specification2_spec__1() [L307] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L270] RET __utac_acc__Specification2_spec__1() [L271] CALL test() [L559] int splverifierCounter ; [L560] int tmp ; [L561] int tmp___0 ; [L562] int tmp___1 ; [L563] int tmp___2 ; [L566] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L568] COND TRUE 1 [L570] COND TRUE splverifierCounter < 4 [L576] tmp = __VERIFIER_nondet_int() [L578] COND FALSE !(\read(tmp)) [L586] tmp___0 = __VERIFIER_nondet_int() [L588] COND FALSE !(\read(tmp___0)) [L596] tmp___2 = __VERIFIER_nondet_int() [L598] COND TRUE \read(tmp___2) [L611] CALL timeShift() [L350] COND FALSE !(\read(pumpRunning)) [L357] COND TRUE \read(systemActive) [L359] CALL processEnvironment() [L405] int tmp ; [L408] COND FALSE !(\read(pumpRunning)) [L423] CALL processEnvironment__wrappee__highWaterSensor() [L379] int tmp ; [L382] COND TRUE ! pumpRunning [L384] CALL, EXPR isHighWaterLevel() [L520] int retValue_acc ; [L521] int tmp ; [L522] int tmp___0 ; [L526] CALL, EXPR isHighWaterSensorDry() [L176] int retValue_acc ; [L179] COND TRUE waterLevel < 2 [L180] retValue_acc = 1 [L181] return (retValue_acc); [L526] RET, EXPR isHighWaterSensorDry() [L526] tmp = isHighWaterSensorDry() [L528] COND TRUE \read(tmp) [L529] tmp___0 = 0 [L533] retValue_acc = tmp___0 [L534] return (retValue_acc); [L384] RET, EXPR isHighWaterLevel() [L384] tmp = isHighWaterLevel() [L386] COND FALSE !(\read(tmp)) [L392] FCALL processEnvironment__wrappee__base() [L423] RET processEnvironment__wrappee__highWaterSensor() [L359] RET processEnvironment() [L365] CALL __utac_acc__Specification2_spec__2() [L312] int tmp ; [L313] int tmp___0 ; [L317] CALL, EXPR isMethaneLevelCritical() [L135] int retValue_acc ; [L138] retValue_acc = methaneLevelCritical [L139] return (retValue_acc); [L317] RET, EXPR isMethaneLevelCritical() [L317] tmp = isMethaneLevelCritical() [L319] COND FALSE !(\read(tmp)) [L335] methAndRunningLastTime = 0 [L365] RET __utac_acc__Specification2_spec__2() [L611] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 568]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L96] int waterLevel = 1; [L97] int methaneLevelCritical = 0; [L199] int cleanupTimeShifts = 4; [L302] int methAndRunningLastTime ; [L343] int pumpRunning = 0; [L344] int systemActive = 1; [L792] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L277] int retValue_acc ; [L278] int tmp ; [L282] FCALL select_helpers() [L283] FCALL select_features() [L284] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L284] RET, EXPR valid_product() [L284] tmp = valid_product() [L286] COND TRUE \read(tmp) [L288] FCALL setup() [L289] CALL runTest() [L270] CALL __utac_acc__Specification2_spec__1() [L307] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L270] RET __utac_acc__Specification2_spec__1() [L271] CALL test() [L559] int splverifierCounter ; [L560] int tmp ; [L561] int tmp___0 ; [L562] int tmp___1 ; [L563] int tmp___2 ; [L566] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L568] COND TRUE 1 [L570] COND TRUE splverifierCounter < 4 [L576] tmp = __VERIFIER_nondet_int() [L578] COND FALSE !(\read(tmp)) [L586] tmp___0 = __VERIFIER_nondet_int() [L588] COND FALSE !(\read(tmp___0)) [L596] tmp___2 = __VERIFIER_nondet_int() [L598] COND TRUE \read(tmp___2) [L611] CALL timeShift() [L350] COND FALSE !(\read(pumpRunning)) [L357] COND TRUE \read(systemActive) [L359] CALL processEnvironment() [L405] int tmp ; [L408] COND FALSE !(\read(pumpRunning)) [L423] CALL processEnvironment__wrappee__highWaterSensor() [L379] int tmp ; [L382] COND TRUE ! pumpRunning [L384] CALL, EXPR isHighWaterLevel() [L520] int retValue_acc ; [L521] int tmp ; [L522] int tmp___0 ; [L526] CALL, EXPR isHighWaterSensorDry() [L176] int retValue_acc ; [L179] COND TRUE waterLevel < 2 [L180] retValue_acc = 1 [L181] return (retValue_acc); [L526] RET, EXPR isHighWaterSensorDry() [L526] tmp = isHighWaterSensorDry() [L528] COND TRUE \read(tmp) [L529] tmp___0 = 0 [L533] retValue_acc = tmp___0 [L534] return (retValue_acc); [L384] RET, EXPR isHighWaterLevel() [L384] tmp = isHighWaterLevel() [L386] COND FALSE !(\read(tmp)) [L392] FCALL processEnvironment__wrappee__base() [L423] RET processEnvironment__wrappee__highWaterSensor() [L359] RET processEnvironment() [L365] CALL __utac_acc__Specification2_spec__2() [L312] int tmp ; [L313] int tmp___0 ; [L317] CALL, EXPR isMethaneLevelCritical() [L135] int retValue_acc ; [L138] retValue_acc = methaneLevelCritical [L139] return (retValue_acc); [L317] RET, EXPR isMethaneLevelCritical() [L317] tmp = isMethaneLevelCritical() [L319] COND FALSE !(\read(tmp)) [L335] methAndRunningLastTime = 0 [L365] RET __utac_acc__Specification2_spec__2() [L611] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 10:43:00,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f576808-3957-45ea-8851-0ecf67ad332f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)