./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b 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_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/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_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/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_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/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 99b1c4ff00a6d3ebd68813fe778a41b4773908627841ec70b8d8c02c48a5a463 --- 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 10:34:20,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:34:20,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:34:20,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:34:20,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:34:20,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:34:20,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:34:20,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:34:20,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:34:20,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:34:20,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:34:20,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:34:20,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:34:20,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:34:20,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:34:20,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:34:20,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:34:20,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:34:20,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:34:20,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:34:20,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:34:20,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:34:20,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:34:20,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:34:20,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:34:20,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:34:20,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:34:20,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:34:20,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:34:20,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:34:20,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:34:20,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:34:20,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:34:20,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:34:20,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:34:20,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:34:20,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:34:20,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:34:20,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:34:20,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:34:20,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:34:20,838 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 10:34:20,879 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:34:20,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:34:20,882 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:34:20,882 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:34:20,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:34:20,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:34:20,885 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:34:20,885 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 10:34:20,885 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 10:34:20,886 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 10:34:20,887 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 10:34:20,887 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 10:34:20,888 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 10:34:20,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:34:20,888 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:34:20,889 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:34:20,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:34:20,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:34:20,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:34:20,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 10:34:20,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 10:34:20,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 10:34:20,891 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:34:20,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:34:20,891 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 10:34:20,892 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:34:20,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 10:34:20,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:34:20,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:34:20,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:34:20,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:34:20,895 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 10:34:20,895 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_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99b1c4ff00a6d3ebd68813fe778a41b4773908627841ec70b8d8c02c48a5a463 [2022-11-20 10:34:21,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:34:21,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:34:21,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:34:21,186 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:34:21,187 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:34:21,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2022-11-20 10:34:24,258 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:34:24,531 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:34:24,532 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2022-11-20 10:34:24,543 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/bin/uautomizer-ug76WZFUDN/data/7d33bf647/843abf7f96ea43ce89fee631cc868138/FLAG32e0c795f [2022-11-20 10:34:24,558 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/bin/uautomizer-ug76WZFUDN/data/7d33bf647/843abf7f96ea43ce89fee631cc868138 [2022-11-20 10:34:24,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:34:24,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:34:24,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:34:24,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:34:24,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:34:24,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:34:24" (1/1) ... [2022-11-20 10:34:24,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ddc723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:24, skipping insertion in model container [2022-11-20 10:34:24,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:34:24" (1/1) ... [2022-11-20 10:34:24,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:34:24,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:34:24,875 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_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c[7046,7059] [2022-11-20 10:34:24,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:34:24,985 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:34:25,044 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_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c[7046,7059] [2022-11-20 10:34:25,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:34:25,109 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:34:25,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:25 WrapperNode [2022-11-20 10:34:25,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:34:25,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:34:25,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:34:25,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:34:25,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:25" (1/1) ... [2022-11-20 10:34:25,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:25" (1/1) ... [2022-11-20 10:34:25,182 INFO L138 Inliner]: procedures = 49, calls = 88, calls flagged for inlining = 41, calls inlined = 32, statements flattened = 222 [2022-11-20 10:34:25,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:34:25,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:34:25,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:34:25,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:34:25,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:25" (1/1) ... [2022-11-20 10:34:25,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:25" (1/1) ... [2022-11-20 10:34:25,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:25" (1/1) ... [2022-11-20 10:34:25,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:25" (1/1) ... [2022-11-20 10:34:25,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:25" (1/1) ... [2022-11-20 10:34:25,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:25" (1/1) ... [2022-11-20 10:34:25,221 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:25" (1/1) ... [2022-11-20 10:34:25,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:25" (1/1) ... [2022-11-20 10:34:25,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:34:25,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:34:25,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:34:25,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:34:25,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:25" (1/1) ... [2022-11-20 10:34:25,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:34:25,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:34:25,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:34:25,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 10:34:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:34:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:34:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:34:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:34:25,435 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:34:25,438 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:34:25,736 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:34:25,743 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:34:25,743 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 10:34:25,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:34:25 BoogieIcfgContainer [2022-11-20 10:34:25,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:34:25,761 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 10:34:25,761 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 10:34:25,765 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 10:34:25,766 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:34:25,766 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:34:24" (1/3) ... [2022-11-20 10:34:25,768 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78a54f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:34:25, skipping insertion in model container [2022-11-20 10:34:25,768 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:34:25,768 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:25" (2/3) ... [2022-11-20 10:34:25,768 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78a54f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:34:25, skipping insertion in model container [2022-11-20 10:34:25,769 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:34:25,769 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:34:25" (3/3) ... [2022-11-20 10:34:25,770 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product01.cil.c [2022-11-20 10:34:25,858 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 10:34:25,858 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 10:34:25,858 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 10:34:25,858 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 10:34:25,859 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 10:34:25,859 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 10:34:25,859 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 10:34:25,859 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 10:34:25,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 75 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 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 10:34:25,896 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2022-11-20 10:34:25,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:34:25,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:34:25,902 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:34:25,902 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 10:34:25,903 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 10:34:25,904 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 75 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 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 10:34:25,919 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2022-11-20 10:34:25,919 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:34:25,919 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:34:25,920 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:34:25,921 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 10:34:25,927 INFO L748 eck$LassoCheckResult]: Stem: 54#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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 40#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 75#L260true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 17#L253true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 19#L268true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 59#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 44#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 35#L394-2true [2022-11-20 10:34:25,929 INFO L750 eck$LassoCheckResult]: Loop: 35#L394-2true assume !false; 13#L395true assume test_~splverifierCounter~0#1 < 4; 21#L396true test_~tmp~1#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 48#L404true assume !(0 != test_~tmp~1#1); 63#L404-2true test_~tmp___0~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 57#L414true assume !(0 != test_~tmp___0~0#1); 6#L414-2true test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 43#L424true assume 0 != test_~tmp___2~0#1; 55#L430-2true assume { :begin_inline_timeShift } true; 68#L284true assume !(0 != ~pumpRunning~0); 22#L284-2true assume !(0 != ~systemActive~0); 53#L291-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 72#L201true __utac_acc__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1; 39#L458true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2#1); 67#L458-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 20#L301true assume { :end_inline_timeShift } true; 35#L394-2true [2022-11-20 10:34:25,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:25,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-20 10:34:25,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:34:25,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704813861] [2022-11-20 10:34:25,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:34:25,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:34:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:34:26,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:34:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:34:26,087 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:34:26,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:26,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1686806396, now seen corresponding path program 1 times [2022-11-20 10:34:26,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:34:26,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91741548] [2022-11-20 10:34:26,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:34:26,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:34:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:34:26,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:34:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:34:26,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:34:26,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:26,112 INFO L85 PathProgramCache]: Analyzing trace with hash -331387320, now seen corresponding path program 1 times [2022-11-20 10:34:26,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:34:26,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792394604] [2022-11-20 10:34:26,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:34:26,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:34:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:26,426 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 10:34:26,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:34:26,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792394604] [2022-11-20 10:34:26,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792394604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:34:26,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:34:26,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:34:26,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660080804] [2022-11-20 10:34:26,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:34:26,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:34:26,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:34:26,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:34:26,656 INFO L87 Difference]: Start difference. First operand has 75 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 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) [2022-11-20 10:34:26,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:34:26,744 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions. [2022-11-20 10:34:26,746 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 88 transitions. [2022-11-20 10:34:26,748 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 42 [2022-11-20 10:34:26,752 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 62 states and 78 transitions. [2022-11-20 10:34:26,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 62 [2022-11-20 10:34:26,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 62 [2022-11-20 10:34:26,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 78 transitions. [2022-11-20 10:34:26,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:34:26,755 INFO L218 hiAutomatonCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-11-20 10:34:26,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 78 transitions. [2022-11-20 10:34:26,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-11-20 10:34:26,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 61 states have internal predecessors, (78), 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 10:34:26,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2022-11-20 10:34:26,785 INFO L240 hiAutomatonCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-11-20 10:34:26,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:34:26,792 INFO L428 stractBuchiCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-11-20 10:34:26,792 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 10:34:26,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 78 transitions. [2022-11-20 10:34:26,794 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 42 [2022-11-20 10:34:26,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:34:26,794 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:34:26,794 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:34:26,795 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:34:26,795 INFO L748 eck$LassoCheckResult]: Stem: 220#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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 210#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 211#L260 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 190#L253 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 191#L268 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 194#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 214#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 196#L394-2 [2022-11-20 10:34:26,795 INFO L750 eck$LassoCheckResult]: Loop: 196#L394-2 assume !false; 181#L395 assume test_~splverifierCounter~0#1 < 4; 182#L396 test_~tmp~1#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 197#L404 assume !(0 != test_~tmp~1#1); 217#L404-2 test_~tmp___0~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 223#L414 assume !(0 != test_~tmp___0~0#1); 168#L414-2 test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 169#L424 assume 0 != test_~tmp___2~0#1; 185#L430-2 assume { :begin_inline_timeShift } true; 221#L284 assume !(0 != ~pumpRunning~0); 199#L284-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 173#L308 assume { :end_inline_processEnvironment } true; 174#L291-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 219#L201 __utac_acc__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1; 209#L458 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2#1); 176#L458-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 195#L301 assume { :end_inline_timeShift } true; 196#L394-2 [2022-11-20 10:34:26,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:26,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-20 10:34:26,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:34:26,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126326609] [2022-11-20 10:34:26,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:34:26,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:34:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:34:26,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:34:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:34:26,836 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:34:26,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:26,841 INFO L85 PathProgramCache]: Analyzing trace with hash -123311071, now seen corresponding path program 1 times [2022-11-20 10:34:26,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:34:26,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767968309] [2022-11-20 10:34:26,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:34:26,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:34:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:34:26,848 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:34:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:34:26,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:34:26,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:26,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1054992675, now seen corresponding path program 1 times [2022-11-20 10:34:26,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:34:26,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577826375] [2022-11-20 10:34:26,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:34:26,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:34:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:34:26,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:34:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:34:26,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:34:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:34:28,157 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:34:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:34:28,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:34:28 BoogieIcfgContainer [2022-11-20 10:34:28,239 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 10:34:28,239 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:34:28,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:34:28,241 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:34:28,241 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:34:25" (3/4) ... [2022-11-20 10:34:28,244 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-20 10:34:28,308 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:34:28,308 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:34:28,309 INFO L158 Benchmark]: Toolchain (without parser) took 3746.80ms. Allocated memory is still 201.3MB. Free memory was 168.4MB in the beginning and 112.2MB in the end (delta: 56.2MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2022-11-20 10:34:28,309 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 151.0MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:34:28,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.90ms. Allocated memory is still 201.3MB. Free memory was 168.4MB in the beginning and 150.6MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 10:34:28,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.12ms. Allocated memory is still 201.3MB. Free memory was 149.6MB in the beginning and 147.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:34:28,311 INFO L158 Benchmark]: Boogie Preprocessor took 41.50ms. Allocated memory is still 201.3MB. Free memory was 147.5MB in the beginning and 146.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:34:28,311 INFO L158 Benchmark]: RCFGBuilder took 534.22ms. Allocated memory is still 201.3MB. Free memory was 146.5MB in the beginning and 130.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 10:34:28,311 INFO L158 Benchmark]: BuchiAutomizer took 2478.05ms. Allocated memory is still 201.3MB. Free memory was 130.8MB in the beginning and 114.3MB in the end (delta: 16.4MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-11-20 10:34:28,312 INFO L158 Benchmark]: Witness Printer took 68.95ms. Allocated memory is still 201.3MB. Free memory was 114.3MB in the beginning and 112.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:34:28,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 151.0MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 545.90ms. Allocated memory is still 201.3MB. Free memory was 168.4MB in the beginning and 150.6MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.12ms. Allocated memory is still 201.3MB. Free memory was 149.6MB in the beginning and 147.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.50ms. Allocated memory is still 201.3MB. Free memory was 147.5MB in the beginning and 146.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 534.22ms. Allocated memory is still 201.3MB. Free memory was 146.5MB in the beginning and 130.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2478.05ms. Allocated memory is still 201.3MB. Free memory was 130.8MB in the beginning and 114.3MB in the end (delta: 16.4MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Witness Printer took 68.95ms. Allocated memory is still 201.3MB. Free memory was 114.3MB in the beginning and 112.2MB 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 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 62 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 254 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 254 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 83 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 394]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L158] int waterLevel = 1; [L159] int methaneLevelCritical = 0; [L276] int pumpRunning = 0; [L277] int systemActive = 1; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L264] int retValue_acc ; [L267] retValue_acc = 1 [L268] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L385] int splverifierCounter ; [L386] int tmp ; [L387] int tmp___0 ; [L388] int tmp___1 ; [L389] int tmp___2 ; [L392] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L394] COND TRUE 1 [L396] COND TRUE splverifierCounter < 4 [L402] tmp = __VERIFIER_nondet_int() [L404] COND FALSE !(\read(tmp)) [L412] tmp___0 = __VERIFIER_nondet_int() [L414] COND FALSE !(\read(tmp___0)) [L422] tmp___2 = __VERIFIER_nondet_int() [L424] COND TRUE \read(tmp___2) [L437] CALL timeShift() [L284] COND FALSE !(\read(pumpRunning)) [L291] COND TRUE \read(systemActive) [L293] FCALL processEnvironment() [L299] CALL __utac_acc__Specification1_spec__1() [L451] int tmp ; [L452] int tmp___0 ; [L456] CALL, EXPR isMethaneLevelCritical() [L197] int retValue_acc ; [L200] retValue_acc = methaneLevelCritical [L201] return (retValue_acc); [L456] RET, EXPR isMethaneLevelCritical() [L456] tmp = isMethaneLevelCritical() [L458] COND FALSE !(\read(tmp)) [L299] RET __utac_acc__Specification1_spec__1() [L437] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 394]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L158] int waterLevel = 1; [L159] int methaneLevelCritical = 0; [L276] int pumpRunning = 0; [L277] int systemActive = 1; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L264] int retValue_acc ; [L267] retValue_acc = 1 [L268] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L385] int splverifierCounter ; [L386] int tmp ; [L387] int tmp___0 ; [L388] int tmp___1 ; [L389] int tmp___2 ; [L392] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L394] COND TRUE 1 [L396] COND TRUE splverifierCounter < 4 [L402] tmp = __VERIFIER_nondet_int() [L404] COND FALSE !(\read(tmp)) [L412] tmp___0 = __VERIFIER_nondet_int() [L414] COND FALSE !(\read(tmp___0)) [L422] tmp___2 = __VERIFIER_nondet_int() [L424] COND TRUE \read(tmp___2) [L437] CALL timeShift() [L284] COND FALSE !(\read(pumpRunning)) [L291] COND TRUE \read(systemActive) [L293] FCALL processEnvironment() [L299] CALL __utac_acc__Specification1_spec__1() [L451] int tmp ; [L452] int tmp___0 ; [L456] CALL, EXPR isMethaneLevelCritical() [L197] int retValue_acc ; [L200] retValue_acc = methaneLevelCritical [L201] return (retValue_acc); [L456] RET, EXPR isMethaneLevelCritical() [L456] tmp = isMethaneLevelCritical() [L458] COND FALSE !(\read(tmp)) [L299] RET __utac_acc__Specification1_spec__1() [L437] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 10:34:28,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d82a7db0-d9a2-4fde-9027-d93ab855f9c1/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)