./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/IntPath.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b 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_7859ca56-9036-49ab-aa56-6e6c6a3f265e/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7859ca56-9036-49ab-aa56-6e6c6a3f265e/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7859ca56-9036-49ab-aa56-6e6c6a3f265e/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7859ca56-9036-49ab-aa56-6e6c6a3f265e/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/IntPath.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7859ca56-9036-49ab-aa56-6e6c6a3f265e/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7859ca56-9036-49ab-aa56-6e6c6a3f265e/bin/uautomizer-TMbwUNV5ro --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 64bit --witnessprinter.graph.data.programhash 2b72dfebd4c79ba85f160ba6afde9f14f50064a660c2c64f182224d2f229f848 --- 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-8393723 [2022-11-18 20:56:56,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:56:56,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:56:56,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:56:56,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:56:56,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:56:56,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:56:56,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:56:56,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:56:56,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:56:56,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:56:56,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:56:56,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:56:56,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:56:56,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:56:56,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:56:56,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:56:56,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:56:56,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:56:56,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:56:56,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:56:56,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:56:56,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:56:56,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:56:56,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:56:56,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:56:56,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:56:56,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:56:56,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:56:56,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:56:56,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:56:56,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:56:56,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:56:56,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:56:56,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:56:56,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:56:56,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:56:56,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:56:56,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:56:56,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:56:56,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:56:56,305 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7859ca56-9036-49ab-aa56-6e6c6a3f265e/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 20:56:56,345 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:56:56,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:56:56,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:56:56,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:56:56,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:56:56,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:56:56,348 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:56:56,348 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:56:56,348 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:56:56,348 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:56:56,349 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:56:56,349 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:56:56,349 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:56:56,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:56:56,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:56:56,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:56:56,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:56:56,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:56:56,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:56:56,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:56:56,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:56:56,351 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:56:56,351 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:56:56,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:56:56,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:56:56,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:56:56,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:56:56,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:56:56,353 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:56:56,353 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_7859ca56-9036-49ab-aa56-6e6c6a3f265e/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7859ca56-9036-49ab-aa56-6e6c6a3f265e/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b72dfebd4c79ba85f160ba6afde9f14f50064a660c2c64f182224d2f229f848 [2022-11-18 20:56:56,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:56:56,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:56:56,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:56:56,662 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:56:56,663 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:56:56,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7859ca56-9036-49ab-aa56-6e6c6a3f265e/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-restricted-15/IntPath.c [2022-11-18 20:56:56,721 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7859ca56-9036-49ab-aa56-6e6c6a3f265e/bin/uautomizer-TMbwUNV5ro/data/0cbfd5126/e7340ee613004ba8a3a974a53ea9942f/FLAGaaebe40d1 [2022-11-18 20:56:57,174 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:56:57,174 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7859ca56-9036-49ab-aa56-6e6c6a3f265e/sv-benchmarks/c/termination-restricted-15/IntPath.c [2022-11-18 20:56:57,182 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7859ca56-9036-49ab-aa56-6e6c6a3f265e/bin/uautomizer-TMbwUNV5ro/data/0cbfd5126/e7340ee613004ba8a3a974a53ea9942f/FLAGaaebe40d1 [2022-11-18 20:56:57,561 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7859ca56-9036-49ab-aa56-6e6c6a3f265e/bin/uautomizer-TMbwUNV5ro/data/0cbfd5126/e7340ee613004ba8a3a974a53ea9942f [2022-11-18 20:56:57,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:56:57,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:56:57,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:56:57,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:56:57,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:56:57,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:56:57" (1/1) ... [2022-11-18 20:56:57,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0e8047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:57, skipping insertion in model container [2022-11-18 20:56:57,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:56:57" (1/1) ... [2022-11-18 20:56:57,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:56:57,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:56:57,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:56:57,827 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:56:57,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:56:57,863 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:56:57,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:57 WrapperNode [2022-11-18 20:56:57,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:56:57,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:56:57,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:56:57,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:56:57,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:57" (1/1) ... [2022-11-18 20:56:57,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:57" (1/1) ... [2022-11-18 20:56:57,894 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2022-11-18 20:56:57,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:56:57,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:56:57,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:56:57,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:56:57,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:57" (1/1) ... [2022-11-18 20:56:57,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:57" (1/1) ... [2022-11-18 20:56:57,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:57" (1/1) ... [2022-11-18 20:56:57,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:57" (1/1) ... [2022-11-18 20:56:57,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:57" (1/1) ... [2022-11-18 20:56:57,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:57" (1/1) ... [2022-11-18 20:56:57,913 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:57" (1/1) ... [2022-11-18 20:56:57,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:57" (1/1) ... [2022-11-18 20:56:57,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:56:57,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:56:57,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:56:57,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:56:57,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:57" (1/1) ... [2022-11-18 20:56:57,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:56:57,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7859ca56-9036-49ab-aa56-6e6c6a3f265e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:56:57,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7859ca56-9036-49ab-aa56-6e6c6a3f265e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:56:57,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7859ca56-9036-49ab-aa56-6e6c6a3f265e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:56:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:56:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:56:58,086 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:56:58,088 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:56:58,164 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:56:58,171 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:56:58,171 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:56:58,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:56:58 BoogieIcfgContainer [2022-11-18 20:56:58,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:56:58,174 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:56:58,174 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:56:58,179 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:56:58,180 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:56:58,180 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:56:57" (1/3) ... [2022-11-18 20:56:58,181 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@480039ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:56:58, skipping insertion in model container [2022-11-18 20:56:58,182 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:56:58,182 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:57" (2/3) ... [2022-11-18 20:56:58,182 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@480039ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:56:58, skipping insertion in model container [2022-11-18 20:56:58,182 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:56:58,183 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:56:58" (3/3) ... [2022-11-18 20:56:58,184 INFO L332 chiAutomizerObserver]: Analyzing ICFG IntPath.c [2022-11-18 20:56:58,245 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:56:58,245 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:56:58,245 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:56:58,246 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:56:58,246 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:56:58,246 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:56:58,246 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:56:58,246 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:56:58,251 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2022-11-18 20:56:58,277 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 20:56:58,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:56:58,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:56:58,283 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:56:58,283 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-18 20:56:58,284 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:56:58,284 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2022-11-18 20:56:58,285 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 20:56:58,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:56:58,286 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:56:58,286 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:56:58,286 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-18 20:56:58,294 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~x~0#1, main_~y~0#1;havoc main_~i~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~x~0#1 := 0;main_~y~0#1 := 0; 4#L13true assume !(main_~i~0#1 > 10);main_~y~0#1 := 1; 5#L18-1true [2022-11-18 20:56:58,294 INFO L750 eck$LassoCheckResult]: Loop: 5#L18-1true assume !!(main_~x~0#1 == main_~y~0#1); 5#L18-1true [2022-11-18 20:56:58,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:56:58,306 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-18 20:56:58,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:56:58,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819202459] [2022-11-18 20:56:58,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:56:58,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:56:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:56:58,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:56:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:56:58,463 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:56:58,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:56:58,467 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2022-11-18 20:56:58,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:56:58,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088357500] [2022-11-18 20:56:58,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:56:58,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:56:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:56:58,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:56:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:56:58,494 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:56:58,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:56:58,496 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2022-11-18 20:56:58,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:56:58,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457323244] [2022-11-18 20:56:58,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:56:58,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:56:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:56:58,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:56:58,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:56:58,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457323244] [2022-11-18 20:56:58,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457323244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:56:58,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:56:58,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:56:58,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962645217] [2022-11-18 20:56:58,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:56:58,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:56:58,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:56:58,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:56:58,728 INFO L87 Difference]: Start difference. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2022-11-18 20:56:58,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:56:58,788 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-11-18 20:56:58,789 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 13 transitions. [2022-11-18 20:56:58,795 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 20:56:58,798 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 4 states and 4 transitions. [2022-11-18 20:56:58,816 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2022-11-18 20:56:58,816 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2022-11-18 20:56:58,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 4 transitions. [2022-11-18 20:56:58,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:56:58,817 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4 states and 4 transitions. [2022-11-18 20:56:58,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 4 transitions. [2022-11-18 20:56:58,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2022-11-18 20:56:58,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-18 20:56:58,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2022-11-18 20:56:58,844 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4 states and 4 transitions. [2022-11-18 20:56:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:56:58,854 INFO L428 stractBuchiCegarLoop]: Abstraction has 4 states and 4 transitions. [2022-11-18 20:56:58,854 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:56:58,854 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 4 transitions. [2022-11-18 20:56:58,857 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 20:56:58,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:56:58,858 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:56:58,858 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:56:58,858 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-18 20:56:58,859 INFO L748 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 36#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~x~0#1, main_~y~0#1;havoc main_~i~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~x~0#1 := 0;main_~y~0#1 := 0; 37#L13 assume main_~i~0#1 > 10;main_~x~0#1 := 1; 38#L18-1 [2022-11-18 20:56:58,860 INFO L750 eck$LassoCheckResult]: Loop: 38#L18-1 assume !!(main_~x~0#1 == main_~y~0#1); 38#L18-1 [2022-11-18 20:56:58,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:56:58,861 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-11-18 20:56:58,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:56:58,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017078235] [2022-11-18 20:56:58,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:56:58,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:56:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:56:58,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:56:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:56:58,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:56:58,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:56:58,887 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 2 times [2022-11-18 20:56:58,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:56:58,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948991495] [2022-11-18 20:56:58,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:56:58,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:56:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:56:58,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:56:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:56:58,904 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:56:58,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:56:58,905 INFO L85 PathProgramCache]: Analyzing trace with hash 925614, now seen corresponding path program 1 times [2022-11-18 20:56:58,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:56:58,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698118468] [2022-11-18 20:56:58,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:56:58,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:56:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:56:58,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:56:58,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:56:58,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698118468] [2022-11-18 20:56:58,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698118468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:56:58,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:56:58,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:56:58,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970356340] [2022-11-18 20:56:58,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:56:58,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:56:58,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:56:58,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:56:58,982 INFO L87 Difference]: Start difference. First operand 4 states and 4 transitions. cyclomatic complexity: 1 Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2022-11-18 20:56:58,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:56:58,994 INFO L93 Difference]: Finished difference Result 4 states and 3 transitions. [2022-11-18 20:56:58,994 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 3 transitions. [2022-11-18 20:56:58,994 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:56:58,995 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 0 states and 0 transitions. [2022-11-18 20:56:58,995 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:56:58,995 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:56:58,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:56:58,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:56:58,999 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:56:58,999 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:56:58,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:56:59,000 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:56:59,000 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:56:59,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:56:59,001 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:56:59,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 20:56:59,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:56:59 BoogieIcfgContainer [2022-11-18 20:56:59,008 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:56:59,009 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:56:59,009 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:56:59,009 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:56:59,009 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:56:58" (3/4) ... [2022-11-18 20:56:59,018 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:56:59,019 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:56:59,021 INFO L158 Benchmark]: Toolchain (without parser) took 1454.38ms. Allocated memory is still 109.1MB. Free memory was 68.3MB in the beginning and 44.7MB in the end (delta: 23.5MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2022-11-18 20:56:59,022 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory was 84.7MB in the beginning and 84.6MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:56:59,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.93ms. Allocated memory is still 109.1MB. Free memory was 68.1MB in the beginning and 84.1MB in the end (delta: -16.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:56:59,030 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.27ms. Allocated memory is still 109.1MB. Free memory was 84.1MB in the beginning and 82.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:56:59,032 INFO L158 Benchmark]: Boogie Preprocessor took 20.16ms. Allocated memory is still 109.1MB. Free memory was 82.9MB in the beginning and 82.0MB in the end (delta: 816.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:56:59,033 INFO L158 Benchmark]: RCFGBuilder took 256.90ms. Allocated memory is still 109.1MB. Free memory was 82.0MB in the beginning and 73.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:56:59,034 INFO L158 Benchmark]: BuchiAutomizer took 834.24ms. Allocated memory is still 109.1MB. Free memory was 73.6MB in the beginning and 44.7MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-18 20:56:59,034 INFO L158 Benchmark]: Witness Printer took 10.00ms. Allocated memory is still 109.1MB. Free memory is still 44.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:56:59,037 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory was 84.7MB in the beginning and 84.6MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.93ms. Allocated memory is still 109.1MB. Free memory was 68.1MB in the beginning and 84.1MB in the end (delta: -16.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.27ms. Allocated memory is still 109.1MB. Free memory was 84.1MB in the beginning and 82.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.16ms. Allocated memory is still 109.1MB. Free memory was 82.9MB in the beginning and 82.0MB in the end (delta: 816.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 256.90ms. Allocated memory is still 109.1MB. Free memory was 82.0MB in the beginning and 73.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 834.24ms. Allocated memory is still 109.1MB. Free memory was 73.6MB in the beginning and 44.7MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 10.00ms. Allocated memory is still 109.1MB. Free memory is still 44.7MB. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic). 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. 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, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 15 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 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: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 20:56:59,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7859ca56-9036-49ab-aa56-6e6c6a3f265e/bin/uautomizer-TMbwUNV5ro/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