./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/terminator_03-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/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_5ae723fc-3dff-42be-b955-57cfc06b516a/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/terminator_03-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/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_5ae723fc-3dff-42be-b955-57cfc06b516a/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 29dc9e3729c830d8e3c5d3b9c1192e2e5ef8005db44043b0e7499e254bae8165 --- 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 17:19:42,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:19:42,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:19:42,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:19:42,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:19:42,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:19:42,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:19:42,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:19:42,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:19:42,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:19:42,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:19:42,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:19:42,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:19:42,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:19:42,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:19:42,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:19:42,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:19:42,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:19:42,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:19:42,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:19:42,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:19:42,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:19:42,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:19:42,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:19:42,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:19:42,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:19:42,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:19:42,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:19:42,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:19:42,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:19:42,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:19:42,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:19:42,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:19:42,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:19:42,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:19:42,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:19:42,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:19:42,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:19:42,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:19:42,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:19:42,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:19:42,894 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 17:19:42,923 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:19:42,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:19:42,924 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:19:42,924 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:19:42,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:19:42,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:19:42,927 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:19:42,927 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 17:19:42,927 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 17:19:42,928 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 17:19:42,928 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 17:19:42,928 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 17:19:42,929 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 17:19:42,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:19:42,930 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:19:42,930 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:19:42,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:19:42,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:19:42,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:19:42,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 17:19:42,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 17:19:42,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 17:19:42,933 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:19:42,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:19:42,933 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 17:19:42,934 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:19:42,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 17:19:42,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:19:42,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:19:42,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:19:42,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:19:42,937 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 17:19:42,937 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_5ae723fc-3dff-42be-b955-57cfc06b516a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29dc9e3729c830d8e3c5d3b9c1192e2e5ef8005db44043b0e7499e254bae8165 [2022-11-25 17:19:43,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:19:43,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:19:43,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:19:43,304 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:19:43,304 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:19:43,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/loops/terminator_03-2.i [2022-11-25 17:19:46,745 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:19:47,011 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:19:47,012 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/sv-benchmarks/c/loops/terminator_03-2.i [2022-11-25 17:19:47,021 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/bin/uautomizer-ZsLfNo2U6R/data/d791cdb3a/b1f17e463b5c4ff794c3b7dc43461e2d/FLAGafe25049d [2022-11-25 17:19:47,047 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/bin/uautomizer-ZsLfNo2U6R/data/d791cdb3a/b1f17e463b5c4ff794c3b7dc43461e2d [2022-11-25 17:19:47,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:19:47,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:19:47,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:19:47,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:19:47,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:19:47,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:47" (1/1) ... [2022-11-25 17:19:47,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30fcb568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:47, skipping insertion in model container [2022-11-25 17:19:47,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:47" (1/1) ... [2022-11-25 17:19:47,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:19:47,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:19:47,348 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_5ae723fc-3dff-42be-b955-57cfc06b516a/sv-benchmarks/c/loops/terminator_03-2.i[902,915] [2022-11-25 17:19:47,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:19:47,383 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:19:47,402 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_5ae723fc-3dff-42be-b955-57cfc06b516a/sv-benchmarks/c/loops/terminator_03-2.i[902,915] [2022-11-25 17:19:47,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:19:47,427 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:19:47,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:47 WrapperNode [2022-11-25 17:19:47,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:19:47,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:19:47,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:19:47,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:19:47,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:47" (1/1) ... [2022-11-25 17:19:47,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:47" (1/1) ... [2022-11-25 17:19:47,473 INFO L138 Inliner]: procedures = 17, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2022-11-25 17:19:47,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:19:47,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:19:47,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:19:47,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:19:47,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:47" (1/1) ... [2022-11-25 17:19:47,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:47" (1/1) ... [2022-11-25 17:19:47,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:47" (1/1) ... [2022-11-25 17:19:47,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:47" (1/1) ... [2022-11-25 17:19:47,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:47" (1/1) ... [2022-11-25 17:19:47,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:47" (1/1) ... [2022-11-25 17:19:47,507 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:47" (1/1) ... [2022-11-25 17:19:47,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:47" (1/1) ... [2022-11-25 17:19:47,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:19:47,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:19:47,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:19:47,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:19:47,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:47" (1/1) ... [2022-11-25 17:19:47,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:19:47,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:47,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:19:47,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 17:19:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:19:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:19:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:19:47,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:19:47,718 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:19:47,721 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:19:47,853 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:19:47,861 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:19:47,861 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:19:47,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:47 BoogieIcfgContainer [2022-11-25 17:19:47,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:19:47,865 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 17:19:47,866 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 17:19:47,871 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 17:19:47,872 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:19:47,873 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 05:19:47" (1/3) ... [2022-11-25 17:19:47,874 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@368c4538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:19:47, skipping insertion in model container [2022-11-25 17:19:47,874 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:19:47,875 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:47" (2/3) ... [2022-11-25 17:19:47,875 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@368c4538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:19:47, skipping insertion in model container [2022-11-25 17:19:47,875 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:19:47,876 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:47" (3/3) ... [2022-11-25 17:19:47,877 INFO L332 chiAutomizerObserver]: Analyzing ICFG terminator_03-2.i [2022-11-25 17:19:47,956 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 17:19:47,956 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 17:19:47,956 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 17:19:47,957 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 17:19:47,957 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 17:19:47,957 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 17:19:47,957 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 17:19:47,958 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 17:19:47,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 17:19:48,002 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 17:19:48,002 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:19:48,002 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:19:48,013 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-25 17:19:48,013 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-25 17:19:48,014 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 17:19:48,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 17:19:48,016 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 17:19:48,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:19:48,016 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:19:48,017 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-25 17:19:48,017 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-25 17:19:48,029 INFO L748 eck$LassoCheckResult]: Stem: 5#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(18, 2); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 7#L28true assume !!(main_~y~0#1 <= 1000000); 8#L29true assume main_~y~0#1 > 0; 3#L30-2true [2022-11-25 17:19:48,032 INFO L750 eck$LassoCheckResult]: Loop: 3#L30-2true assume !!(main_~x~0#1 < 100);main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 3#L30-2true [2022-11-25 17:19:48,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:48,043 INFO L85 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2022-11-25 17:19:48,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:48,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921650861] [2022-11-25 17:19:48,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:48,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:19:48,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:19:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:19:48,268 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:19:48,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:48,275 INFO L85 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2022-11-25 17:19:48,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:48,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671195451] [2022-11-25 17:19:48,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:48,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:19:48,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:19:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:19:48,316 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:19:48,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:48,320 INFO L85 PathProgramCache]: Analyzing trace with hash 28695789, now seen corresponding path program 1 times [2022-11-25 17:19:48,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:48,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918280209] [2022-11-25 17:19:48,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:48,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:19:48,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:19:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:19:48,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:19:48,700 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 17:19:48,701 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 17:19:48,701 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 17:19:48,702 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 17:19:48,702 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 17:19:48,703 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:19:48,703 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 17:19:48,703 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 17:19:48,703 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_03-2.i_Iteration1_Lasso [2022-11-25 17:19:48,704 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 17:19:48,705 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 17:19:48,731 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:19:48,756 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:19:48,762 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:19:48,809 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:19:48,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:19:48,817 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:19:48,830 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:19:48,842 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:19:48,848 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:19:48,880 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:19:49,126 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 17:19:49,132 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 17:19:49,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:19:49,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:49,139 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:19:49,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 17:19:49,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 17:19:49,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:19:49,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:19:49,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:19:49,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 17:19:49,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 17:19:49,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 17:19:49,202 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 17:19:49,216 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-25 17:19:49,216 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-25 17:19:49,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:19:49,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:49,246 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:19:49,249 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 17:19:49,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 17:19:49,269 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-25 17:19:49,271 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 17:19:49,271 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = 199*ULTIMATE.start_main_~y~0#1 - 2*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~y~0#1 - 1 >= 0] [2022-11-25 17:19:49,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-25 17:19:49,290 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-11-25 17:19:49,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:49,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:19:49,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:49,382 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 17:19:49,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:49,383 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 17:19:49,423 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-25 17:19:49,426 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 17:19:49,508 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) Result 35 states and 42 transitions. Complement of second has 5 states. [2022-11-25 17:19:49,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-25 17:19:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 17:19:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2022-11-25 17:19:49,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 4 letters. Loop has 1 letters. [2022-11-25 17:19:49,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 17:19:49,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 5 letters. Loop has 1 letters. [2022-11-25 17:19:49,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 17:19:49,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-25 17:19:49,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 17:19:49,522 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 42 transitions. [2022-11-25 17:19:49,526 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 17:19:49,529 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2022-11-25 17:19:49,530 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 17:19:49,530 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 17:19:49,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 17:19:49,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:19:49,532 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:19:49,532 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:19:49,532 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:19:49,532 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 17:19:49,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:19:49,533 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 17:19:49,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 17:19:49,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 05:19:49 BoogieIcfgContainer [2022-11-25 17:19:49,542 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 17:19:49,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:19:49,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:19:49,543 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:19:49,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:47" (3/4) ... [2022-11-25 17:19:49,547 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:19:49,548 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:19:49,549 INFO L158 Benchmark]: Toolchain (without parser) took 2492.19ms. Allocated memory is still 167.8MB. Free memory was 130.6MB in the beginning and 118.8MB in the end (delta: 11.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-11-25 17:19:49,549 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory was 65.6MB in the beginning and 65.4MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:19:49,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.13ms. Allocated memory is still 167.8MB. Free memory was 130.6MB in the beginning and 120.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 17:19:49,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.45ms. Allocated memory is still 167.8MB. Free memory was 120.1MB in the beginning and 118.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:19:49,552 INFO L158 Benchmark]: Boogie Preprocessor took 42.64ms. Allocated memory is still 167.8MB. Free memory was 118.9MB in the beginning and 118.0MB in the end (delta: 863.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:19:49,552 INFO L158 Benchmark]: RCFGBuilder took 346.09ms. Allocated memory is still 167.8MB. Free memory was 117.5MB in the beginning and 108.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 17:19:49,553 INFO L158 Benchmark]: BuchiAutomizer took 1676.73ms. Allocated memory is still 167.8MB. Free memory was 108.5MB in the beginning and 118.8MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:19:49,554 INFO L158 Benchmark]: Witness Printer took 5.08ms. Allocated memory is still 167.8MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:19:49,557 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory was 65.6MB in the beginning and 65.4MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.13ms. Allocated memory is still 167.8MB. Free memory was 130.6MB in the beginning and 120.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.45ms. Allocated memory is still 167.8MB. Free memory was 120.1MB in the beginning and 118.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.64ms. Allocated memory is still 167.8MB. Free memory was 118.9MB in the beginning and 118.0MB in the end (delta: 863.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 346.09ms. Allocated memory is still 167.8MB. Free memory was 117.5MB in the beginning and 108.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1676.73ms. Allocated memory is still 167.8MB. Free memory was 108.5MB in the beginning and 118.8MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.08ms. Allocated memory is still 167.8MB. Free memory is still 118.8MB. There was no memory consumed. 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 (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 199 * y + -2 * x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 17 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital64 mio100 ax100 hnf100 lsp26 ukn94 mio100 lsp100 div100 bol100 ite100 ukn100 eq137 hnf95 smp100 dnf100 smp100 tf100 neg100 sie119 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 137ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-25 17:19:49,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-11-25 17:19:49,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ae723fc-3dff-42be-b955-57cfc06b516a/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 Result: TRUE