./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a 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_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc --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 2c19e6821eec12ef8284f33ab77e3183032aa426313dfebebf501fe3b6a052c3 --- 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-5e519f3 [2022-11-02 20:09:52,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:09:52,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:09:52,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:09:52,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:09:52,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:09:52,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:09:52,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:09:52,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:09:52,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:09:52,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:09:52,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:09:52,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:09:52,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:09:52,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:09:52,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:09:52,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:09:52,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:09:52,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:09:52,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:09:52,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:09:52,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:09:52,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:09:52,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:09:52,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:09:52,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:09:52,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:09:52,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:09:52,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:09:52,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:09:52,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:09:52,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:09:52,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:09:52,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:09:52,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:09:52,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:09:52,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:09:52,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:09:52,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:09:52,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:09:52,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:09:52,953 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 20:09:52,977 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:09:52,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:09:52,978 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:09:52,978 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:09:52,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:09:52,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:09:52,979 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:09:52,980 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:09:52,980 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:09:52,980 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:09:52,980 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:09:52,981 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:09:52,981 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:09:52,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:09:52,981 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:09:52,981 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:09:52,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:09:52,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:09:52,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:09:52,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:09:52,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:09:52,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:09:52,983 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:09:52,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:09:52,983 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:09:52,984 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:09:52,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:09:52,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:09:52,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:09:52,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:09:52,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:09:52,986 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:09:52,986 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_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c19e6821eec12ef8284f33ab77e3183032aa426313dfebebf501fe3b6a052c3 [2022-11-02 20:09:53,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:09:53,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:09:53,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:09:53,257 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:09:53,258 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:09:53,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c [2022-11-02 20:09:53,359 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/data/da9e05b9f/bee891ceab104ed48838efc496b923e6/FLAGcd42c3772 [2022-11-02 20:09:53,853 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:09:53,854 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/sv-benchmarks/c/termination-nla/dijkstra1-both-t.c [2022-11-02 20:09:53,863 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/data/da9e05b9f/bee891ceab104ed48838efc496b923e6/FLAGcd42c3772 [2022-11-02 20:09:54,238 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/data/da9e05b9f/bee891ceab104ed48838efc496b923e6 [2022-11-02 20:09:54,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:09:54,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:09:54,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:09:54,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:09:54,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:09:54,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:09:54" (1/1) ... [2022-11-02 20:09:54,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b2b0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:54, skipping insertion in model container [2022-11-02 20:09:54,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:09:54" (1/1) ... [2022-11-02 20:09:54,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:09:54,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:09:54,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:09:54,553 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:09:54,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:09:54,584 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:09:54,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:54 WrapperNode [2022-11-02 20:09:54,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:09:54,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:09:54,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:09:54,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:09:54,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:54" (1/1) ... [2022-11-02 20:09:54,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:54" (1/1) ... [2022-11-02 20:09:54,618 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2022-11-02 20:09:54,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:09:54,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:09:54,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:09:54,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:09:54,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:54" (1/1) ... [2022-11-02 20:09:54,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:54" (1/1) ... [2022-11-02 20:09:54,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:54" (1/1) ... [2022-11-02 20:09:54,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:54" (1/1) ... [2022-11-02 20:09:54,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:54" (1/1) ... [2022-11-02 20:09:54,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:54" (1/1) ... [2022-11-02 20:09:54,642 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:54" (1/1) ... [2022-11-02 20:09:54,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:54" (1/1) ... [2022-11-02 20:09:54,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:09:54,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:09:54,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:09:54,651 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:09:54,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:54" (1/1) ... [2022-11-02 20:09:54,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:09:54,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:09:54,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:09:54,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:09:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:09:54,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:09:54,803 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:09:54,805 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:09:54,963 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:09:54,973 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:09:54,973 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:09:54,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:09:54 BoogieIcfgContainer [2022-11-02 20:09:54,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:09:54,978 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:09:54,978 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:09:54,983 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:09:54,984 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:09:54,984 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:09:54" (1/3) ... [2022-11-02 20:09:54,986 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ae790ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:09:54, skipping insertion in model container [2022-11-02 20:09:54,986 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:09:54,987 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:09:54" (2/3) ... [2022-11-02 20:09:54,987 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ae790ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:09:54, skipping insertion in model container [2022-11-02 20:09:54,987 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:09:54,988 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:09:54" (3/3) ... [2022-11-02 20:09:54,989 INFO L332 chiAutomizerObserver]: Analyzing ICFG dijkstra1-both-t.c [2022-11-02 20:09:55,076 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:09:55,076 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:09:55,076 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:09:55,076 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:09:55,076 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:09:55,077 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:09:55,077 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:09:55,077 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:09:55,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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) [2022-11-02 20:09:55,099 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-11-02 20:09:55,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:09:55,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:09:55,104 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-02 20:09:55,104 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 20:09:55,105 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:09:55,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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) [2022-11-02 20:09:55,106 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-11-02 20:09:55,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:09:55,107 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:09:55,107 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-02 20:09:55,107 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 20:09:55,114 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 7#L25true assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0; 2#L32-2true [2022-11-02 20:09:55,115 INFO L750 eck$LassoCheckResult]: Loop: 2#L32-2true assume !!(main_~q~0#1 <= main_~n~0#1);main_~q~0#1 := 4 * main_~q~0#1; 2#L32-2true [2022-11-02 20:09:55,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:09:55,120 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-02 20:09:55,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:09:55,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567841187] [2022-11-02 20:09:55,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:09:55,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:09:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:09:55,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:09:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:09:55,269 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:09:55,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:09:55,272 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2022-11-02 20:09:55,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:09:55,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775780958] [2022-11-02 20:09:55,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:09:55,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:09:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:09:55,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:09:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:09:55,298 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:09:55,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:09:55,309 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2022-11-02 20:09:55,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:09:55,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262277243] [2022-11-02 20:09:55,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:09:55,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:09:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:09:55,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:09:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:09:55,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:09:55,480 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:09:55,481 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:09:55,481 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:09:55,481 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:09:55,481 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:09:55,481 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:09:55,482 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:09:55,482 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:09:55,482 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration1_Lasso [2022-11-02 20:09:55,482 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:09:55,483 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:09:55,499 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:09:55,509 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:09:55,512 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:09:55,528 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:09:55,545 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:09:55,650 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:09:55,651 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:09:55,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:09:55,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:09:55,655 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:09:55,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:09:55,666 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:09:55,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:09:55,691 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:09:55,692 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:09:55,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:09:55,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:09:55,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:09:55,734 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:09:55,741 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:09:55,741 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:09:55,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:09:55,764 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:09:55,764 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:09:55,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:09:55,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:09:55,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:09:55,804 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:09:55,807 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:09:55,808 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:09:55,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:09:55,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:09:55,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:09:55,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:09:55,881 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:09:55,884 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:09:55,884 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:09:55,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b3b7442-2980-4fcd-b828-52b0d7d2ec34/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process