./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product23.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_26ed1315-9228-4446-b3c8-cdb9593acb67/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ed1315-9228-4446-b3c8-cdb9593acb67/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_26ed1315-9228-4446-b3c8-cdb9593acb67/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ed1315-9228-4446-b3c8-cdb9593acb67/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ed1315-9228-4446-b3c8-cdb9593acb67/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_26ed1315-9228-4446-b3c8-cdb9593acb67/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 0dcc4ef6dcb698eb4a1aa5e679ef93d9117968bf5497c48d873f573e0e790860 --- 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 15:34:06,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:34:06,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:34:06,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:34:06,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:34:06,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:34:06,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:34:06,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:34:06,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:34:06,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:34:06,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:34:06,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:34:06,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:34:06,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:34:06,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:34:06,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:34:06,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:34:06,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:34:06,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:34:06,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:34:06,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:34:06,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:34:06,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:34:06,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:34:06,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:34:06,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:34:06,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:34:06,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:34:06,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:34:06,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:34:06,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:34:06,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:34:06,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:34:06,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:34:06,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:34:06,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:34:06,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:34:06,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:34:06,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:34:06,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:34:06,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:34:06,688 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ed1315-9228-4446-b3c8-cdb9593acb67/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 15:34:06,720 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:34:06,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:34:06,721 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:34:06,721 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:34:06,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:34:06,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:34:06,723 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:34:06,724 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 15:34:06,724 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 15:34:06,724 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 15:34:06,724 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 15:34:06,725 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 15:34:06,725 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 15:34:06,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:34:06,725 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:34:06,726 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:34:06,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:34:06,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:34:06,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:34:06,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 15:34:06,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 15:34:06,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 15:34:06,727 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:34:06,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:34:06,728 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 15:34:06,728 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:34:06,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 15:34:06,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:34:06,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:34:06,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:34:06,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:34:06,731 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 15:34:06,731 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_26ed1315-9228-4446-b3c8-cdb9593acb67/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ed1315-9228-4446-b3c8-cdb9593acb67/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dcc4ef6dcb698eb4a1aa5e679ef93d9117968bf5497c48d873f573e0e790860 [2022-11-25 15:34:07,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:34:07,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:34:07,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:34:07,160 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:34:07,161 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:34:07,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ed1315-9228-4446-b3c8-cdb9593acb67/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2022-11-25 15:34:10,659 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:34:10,945 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:34:10,946 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ed1315-9228-4446-b3c8-cdb9593acb67/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2022-11-25 15:34:10,977 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ed1315-9228-4446-b3c8-cdb9593acb67/bin/uautomizer-ZsLfNo2U6R/data/57086daae/e68cce360d694dfc8574d0a33f8bad2d/FLAG689001bba [2022-11-25 15:34:11,008 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ed1315-9228-4446-b3c8-cdb9593acb67/bin/uautomizer-ZsLfNo2U6R/data/57086daae/e68cce360d694dfc8574d0a33f8bad2d [2022-11-25 15:34:11,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:34:11,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:34:11,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:34:11,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:34:11,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:34:11,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:34:11" (1/1) ... [2022-11-25 15:34:11,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41112313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:11, skipping insertion in model container [2022-11-25 15:34:11,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:34:11" (1/1) ... [2022-11-25 15:34:11,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:34:11,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:34:11,288 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_26ed1315-9228-4446-b3c8-cdb9593acb67/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c[1605,1618] [2022-11-25 15:34:11,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:34:11,454 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:34:11,476 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_26ed1315-9228-4446-b3c8-cdb9593acb67/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c[1605,1618] [2022-11-25 15:34:11,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:34:11,660 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:34:11,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:11 WrapperNode [2022-11-25 15:34:11,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:34:11,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:34:11,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:34:11,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:34:11,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:11" (1/1) ... [2022-11-25 15:34:11,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:11" (1/1) ... [2022-11-25 15:34:11,809 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 52, calls inlined = 79, statements flattened = 508 [2022-11-25 15:34:11,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:34:11,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:34:11,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:34:11,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:34:11,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:11" (1/1) ... [2022-11-25 15:34:11,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:11" (1/1) ... [2022-11-25 15:34:11,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:11" (1/1) ... [2022-11-25 15:34:11,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:11" (1/1) ... [2022-11-25 15:34:11,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:11" (1/1) ... [2022-11-25 15:34:11,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:11" (1/1) ... [2022-11-25 15:34:11,845 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:11" (1/1) ... [2022-11-25 15:34:11,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:11" (1/1) ... [2022-11-25 15:34:11,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:34:11,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:34:11,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:34:11,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:34:11,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:11" (1/1) ... [2022-11-25 15:34:11,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:34:11,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ed1315-9228-4446-b3c8-cdb9593acb67/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:34:11,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ed1315-9228-4446-b3c8-cdb9593acb67/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:34:11,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ed1315-9228-4446-b3c8-cdb9593acb67/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 15:34:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:34:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:34:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:34:11,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:34:12,056 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:34:12,058 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:34:12,600 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:34:12,610 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:34:12,611 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 15:34:12,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:34:12 BoogieIcfgContainer [2022-11-25 15:34:12,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:34:12,615 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 15:34:12,615 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 15:34:12,620 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 15:34:12,629 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:34:12,629 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 03:34:11" (1/3) ... [2022-11-25 15:34:12,631 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@436a9baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:34:12, skipping insertion in model container [2022-11-25 15:34:12,631 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:34:12,631 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:11" (2/3) ... [2022-11-25 15:34:12,631 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@436a9baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:34:12, skipping insertion in model container [2022-11-25 15:34:12,631 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:34:12,632 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:34:12" (3/3) ... [2022-11-25 15:34:12,633 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product23.cil.c [2022-11-25 15:34:12,716 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 15:34:12,716 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 15:34:12,716 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 15:34:12,716 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 15:34:12,716 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 15:34:12,716 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 15:34:12,717 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 15:34:12,717 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 15:34:12,722 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 154 states, 153 states have (on average 1.34640522875817) internal successors, (206), 153 states have internal predecessors, (206), 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 15:34:12,753 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2022-11-25 15:34:12,753 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:34:12,753 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:34:12,760 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:34:12,760 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 15:34:12,761 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 15:34:12,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 154 states, 153 states have (on average 1.34640522875817) internal successors, (206), 153 states have internal predecessors, (206), 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 15:34:12,770 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2022-11-25 15:34:12,770 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:34:12,771 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:34:12,772 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:34:12,772 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 15:34:12,778 INFO L748 eck$LassoCheckResult]: Stem: 139#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 53#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 49#L546true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 65#L539true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 155#L554true main_#t~ret51#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 86#L935true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 136#L912true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 26#L572-2true [2022-11-25 15:34:12,779 INFO L750 eck$LassoCheckResult]: Loop: 26#L572-2true assume !false; 68#L573true assume test_~splverifierCounter~0#1 < 4; 61#L574true test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 149#L582true assume !(0 != test_~tmp~3#1); 39#L582-2true test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 19#L592true assume !(0 != test_~tmp___0~0#1); 3#L592-2true test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 13#L602true assume 0 != test_~tmp___2~0#1; 120#L608-2true assume { :begin_inline_timeShift } true; 55#L641true assume !(0 != ~pumpRunning~0); 129#L641-2true assume !(0 != ~systemActive~0); 110#L648-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 28#L507true __utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; 143#L835true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1); 29#L835-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 34#L658true assume { :end_inline_timeShift } true; 26#L572-2true [2022-11-25 15:34:12,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:12,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-25 15:34:12,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:12,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289129583] [2022-11-25 15:34:12,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:12,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:12,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:34:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:12,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:34:12,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:12,973 INFO L85 PathProgramCache]: Analyzing trace with hash -126028796, now seen corresponding path program 1 times [2022-11-25 15:34:12,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:12,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173459890] [2022-11-25 15:34:12,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:12,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:12,986 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:34:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:12,996 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:34:12,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:12,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1229390280, now seen corresponding path program 1 times [2022-11-25 15:34:12,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:13,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568470360] [2022-11-25 15:34:13,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:13,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:34:13,358 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 15:34:13,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:34:13,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568470360] [2022-11-25 15:34:13,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568470360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:34:13,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:34:13,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 15:34:13,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795896547] [2022-11-25 15:34:13,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:34:13,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:34:13,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 15:34:13,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 15:34:13,677 INFO L87 Difference]: Start difference. First operand has 154 states, 153 states have (on average 1.34640522875817) internal successors, (206), 153 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:34:13,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:34:13,870 INFO L93 Difference]: Finished difference Result 359 states and 461 transitions. [2022-11-25 15:34:13,872 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 359 states and 461 transitions. [2022-11-25 15:34:13,881 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 231 [2022-11-25 15:34:13,889 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 359 states to 329 states and 431 transitions. [2022-11-25 15:34:13,890 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 329 [2022-11-25 15:34:13,892 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 329 [2022-11-25 15:34:13,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 329 states and 431 transitions. [2022-11-25 15:34:13,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:34:13,895 INFO L218 hiAutomatonCegarLoop]: Abstraction has 329 states and 431 transitions. [2022-11-25 15:34:13,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states and 431 transitions. [2022-11-25 15:34:13,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 193. [2022-11-25 15:34:13,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 193 states have (on average 1.310880829015544) internal successors, (253), 192 states have internal predecessors, (253), 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 15:34:13,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 253 transitions. [2022-11-25 15:34:13,945 INFO L240 hiAutomatonCegarLoop]: Abstraction has 193 states and 253 transitions. [2022-11-25 15:34:13,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:34:13,951 INFO L428 stractBuchiCegarLoop]: Abstraction has 193 states and 253 transitions. [2022-11-25 15:34:13,951 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 15:34:13,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 193 states and 253 transitions. [2022-11-25 15:34:13,955 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136 [2022-11-25 15:34:13,955 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:34:13,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:34:13,956 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:34:13,956 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] [2022-11-25 15:34:13,956 INFO L748 eck$LassoCheckResult]: Stem: 671#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 612#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 605#L546 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 606#L539 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 626#L554 main_#t~ret51#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 640#L935 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 641#L912 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 574#L572-2 [2022-11-25 15:34:13,957 INFO L750 eck$LassoCheckResult]: Loop: 574#L572-2 assume !false; 575#L573 assume test_~splverifierCounter~0#1 < 4; 622#L574 test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 623#L582 assume !(0 != test_~tmp~3#1); 573#L582-2 test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 563#L592 assume !(0 != test_~tmp___0~0#1); 531#L592-2 test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 532#L602 assume 0 != test_~tmp___2~0#1; 551#L608-2 assume { :begin_inline_timeShift } true; 613#L641 assume !(0 != ~pumpRunning~0); 614#L641-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 618#L699 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret37#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4#1; 597#L673-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 565#L665-3 assume { :end_inline_processEnvironment__wrappee__base } true; 566#L673-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 536#L699-1 assume { :end_inline_processEnvironment } true; 661#L648-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 577#L507 __utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; 578#L835 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1); 579#L835-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 580#L658 assume { :end_inline_timeShift } true; 574#L572-2 [2022-11-25 15:34:13,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:13,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-25 15:34:13,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:13,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107472627] [2022-11-25 15:34:13,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:13,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:13,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:34:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:13,984 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:34:13,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:13,985 INFO L85 PathProgramCache]: Analyzing trace with hash 953586313, now seen corresponding path program 1 times [2022-11-25 15:34:13,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:13,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869704512] [2022-11-25 15:34:13,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:13,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:13,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:34:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:14,021 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:34:14,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:34:14,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1405255493, now seen corresponding path program 1 times [2022-11-25 15:34:14,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:34:14,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509802924] [2022-11-25 15:34:14,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:34:14,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:34:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:14,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:34:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:14,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:34:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:15,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:34:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:34:15,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 03:34:15 BoogieIcfgContainer [2022-11-25 15:34:15,516 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 15:34:15,517 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:34:15,517 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:34:15,517 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:34:15,518 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:34:12" (3/4) ... [2022-11-25 15:34:15,521 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-25 15:34:15,591 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ed1315-9228-4446-b3c8-cdb9593acb67/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:34:15,592 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:34:15,593 INFO L158 Benchmark]: Toolchain (without parser) took 4575.56ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 103.3MB in the beginning and 130.3MB in the end (delta: -27.0MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2022-11-25 15:34:15,593 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:34:15,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 642.01ms. Allocated memory is still 153.1MB. Free memory was 103.3MB in the beginning and 123.2MB in the end (delta: -19.8MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-11-25 15:34:15,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.93ms. Allocated memory is still 153.1MB. Free memory was 123.2MB in the beginning and 119.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:34:15,595 INFO L158 Benchmark]: Boogie Preprocessor took 40.86ms. Allocated memory is still 153.1MB. Free memory was 119.8MB in the beginning and 117.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:34:15,596 INFO L158 Benchmark]: RCFGBuilder took 762.05ms. Allocated memory is still 153.1MB. Free memory was 117.7MB in the beginning and 95.9MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 15:34:15,596 INFO L158 Benchmark]: BuchiAutomizer took 2901.10ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 95.2MB in the beginning and 133.5MB in the end (delta: -38.2MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2022-11-25 15:34:15,597 INFO L158 Benchmark]: Witness Printer took 74.87ms. Allocated memory is still 205.5MB. Free memory was 133.5MB in the beginning and 130.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:34:15,600 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 119.5MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 642.01ms. Allocated memory is still 153.1MB. Free memory was 103.3MB in the beginning and 123.2MB in the end (delta: -19.8MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.93ms. Allocated memory is still 153.1MB. Free memory was 123.2MB in the beginning and 119.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.86ms. Allocated memory is still 153.1MB. Free memory was 119.8MB in the beginning and 117.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 762.05ms. Allocated memory is still 153.1MB. Free memory was 117.7MB in the beginning and 95.9MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 2901.10ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 95.2MB in the beginning and 133.5MB in the end (delta: -38.2MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Witness Printer took 74.87ms. Allocated memory is still 205.5MB. Free memory was 133.5MB in the beginning and 130.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 193 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 136 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 730 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 730 mSDsluCounter, 1059 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 860 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 199 mSDtfsCounter, 42 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: 572]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L432] int waterLevel = 1; [L433] int methaneLevelCritical = 0; [L633] int pumpRunning = 0; [L634] int systemActive = 1; [L853] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L926] int retValue_acc ; [L927] int tmp ; [L931] FCALL select_helpers() [L932] FCALL select_features() [L933] CALL, EXPR valid_product() [L550] int retValue_acc ; [L553] retValue_acc = 1 [L554] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L933] RET, EXPR valid_product() [L933] tmp = valid_product() [L935] COND TRUE \read(tmp) [L937] FCALL setup() [L938] CALL runTest() [L920] CALL test() [L563] int splverifierCounter ; [L564] int tmp ; [L565] int tmp___0 ; [L566] int tmp___1 ; [L567] int tmp___2 ; [L570] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L572] COND TRUE 1 [L574] COND TRUE splverifierCounter < 4 [L580] tmp = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp)) [L590] tmp___0 = __VERIFIER_nondet_int() [L592] COND FALSE !(\read(tmp___0)) [L600] tmp___2 = __VERIFIER_nondet_int() [L602] COND TRUE \read(tmp___2) [L617] CALL timeShift() [L641] COND FALSE !(\read(pumpRunning)) [L648] COND TRUE \read(systemActive) [L650] CALL processEnvironment() [L696] int tmp ; [L699] COND FALSE !(\read(pumpRunning)) [L714] CALL processEnvironment__wrappee__lowWaterSensor() [L670] int tmp ; [L673] COND FALSE !(\read(pumpRunning)) [L688] FCALL processEnvironment__wrappee__base() [L714] RET processEnvironment__wrappee__lowWaterSensor() [L650] RET processEnvironment() [L656] CALL __utac_acc__Specification4_spec__1() [L828] int tmp ; [L829] int tmp___0 ; [L833] CALL, EXPR getWaterLevel() [L503] int retValue_acc ; [L506] retValue_acc = waterLevel [L507] return (retValue_acc); [L833] RET, EXPR getWaterLevel() [L833] tmp = getWaterLevel() [L835] COND FALSE !(tmp == 0) [L656] RET __utac_acc__Specification4_spec__1() [L617] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 572]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L432] int waterLevel = 1; [L433] int methaneLevelCritical = 0; [L633] int pumpRunning = 0; [L634] int systemActive = 1; [L853] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L926] int retValue_acc ; [L927] int tmp ; [L931] FCALL select_helpers() [L932] FCALL select_features() [L933] CALL, EXPR valid_product() [L550] int retValue_acc ; [L553] retValue_acc = 1 [L554] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L933] RET, EXPR valid_product() [L933] tmp = valid_product() [L935] COND TRUE \read(tmp) [L937] FCALL setup() [L938] CALL runTest() [L920] CALL test() [L563] int splverifierCounter ; [L564] int tmp ; [L565] int tmp___0 ; [L566] int tmp___1 ; [L567] int tmp___2 ; [L570] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L572] COND TRUE 1 [L574] COND TRUE splverifierCounter < 4 [L580] tmp = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp)) [L590] tmp___0 = __VERIFIER_nondet_int() [L592] COND FALSE !(\read(tmp___0)) [L600] tmp___2 = __VERIFIER_nondet_int() [L602] COND TRUE \read(tmp___2) [L617] CALL timeShift() [L641] COND FALSE !(\read(pumpRunning)) [L648] COND TRUE \read(systemActive) [L650] CALL processEnvironment() [L696] int tmp ; [L699] COND FALSE !(\read(pumpRunning)) [L714] CALL processEnvironment__wrappee__lowWaterSensor() [L670] int tmp ; [L673] COND FALSE !(\read(pumpRunning)) [L688] FCALL processEnvironment__wrappee__base() [L714] RET processEnvironment__wrappee__lowWaterSensor() [L650] RET processEnvironment() [L656] CALL __utac_acc__Specification4_spec__1() [L828] int tmp ; [L829] int tmp___0 ; [L833] CALL, EXPR getWaterLevel() [L503] int retValue_acc ; [L506] retValue_acc = waterLevel [L507] return (retValue_acc); [L833] RET, EXPR getWaterLevel() [L833] tmp = getWaterLevel() [L835] COND FALSE !(tmp == 0) [L656] RET __utac_acc__Specification4_spec__1() [L617] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-25 15:34:15,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ed1315-9228-4446-b3c8-cdb9593acb67/bin/uautomizer-ZsLfNo2U6R/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)