./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/dijkstra5-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/dijkstra5-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ --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 f61fb8f4c16751b4572a5141e10799cbf0e2e1fd0bdc6a28bbe6997c3db7d73c --- 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-dbf71c6-m [2022-10-17 10:11:22,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:11:22,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:11:22,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:11:22,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:11:22,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:11:22,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:11:23,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:11:23,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:11:23,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:11:23,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:11:23,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:11:23,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:11:23,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:11:23,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:11:23,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:11:23,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:11:23,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:11:23,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:11:23,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:11:23,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:11:23,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:11:23,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:11:23,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:11:23,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:11:23,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:11:23,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:11:23,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:11:23,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:11:23,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:11:23,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:11:23,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:11:23,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:11:23,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:11:23,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:11:23,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:11:23,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:11:23,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:11:23,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:11:23,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:11:23,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:11:23,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:11:23,085 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:11:23,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:11:23,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:11:23,086 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:11:23,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:11:23,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:11:23,088 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:11:23,088 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:11:23,089 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:11:23,089 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:11:23,089 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:11:23,089 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:11:23,089 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:11:23,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:11:23,090 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:11:23,090 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:11:23,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:11:23,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:11:23,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:11:23,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:11:23,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:11:23,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:11:23,092 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:11:23,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:11:23,092 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:11:23,092 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:11:23,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:11:23,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:11:23,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:11:23,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:11:23,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:11:23,095 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:11:23,095 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_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f61fb8f4c16751b4572a5141e10799cbf0e2e1fd0bdc6a28bbe6997c3db7d73c [2022-10-17 10:11:23,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:11:23,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:11:23,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:11:23,347 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:11:23,348 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:11:23,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/termination-nla/dijkstra5-both-t.c [2022-10-17 10:11:23,412 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/data/e303c5608/847fa1da88f340399a4611a41a56a885/FLAG055b9578d [2022-10-17 10:11:23,870 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:11:23,870 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/sv-benchmarks/c/termination-nla/dijkstra5-both-t.c [2022-10-17 10:11:23,885 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/data/e303c5608/847fa1da88f340399a4611a41a56a885/FLAG055b9578d [2022-10-17 10:11:24,242 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/data/e303c5608/847fa1da88f340399a4611a41a56a885 [2022-10-17 10:11:24,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:11:24,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:11:24,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:11:24,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:11:24,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:11:24,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:11:24" (1/1) ... [2022-10-17 10:11:24,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c6ec5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:24, skipping insertion in model container [2022-10-17 10:11:24,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:11:24" (1/1) ... [2022-10-17 10:11:24,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:11:24,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:11:24,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:11:24,476 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:11:24,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:11:24,503 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:11:24,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:24 WrapperNode [2022-10-17 10:11:24,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:11:24,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:11:24,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:11:24,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:11:24,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:24" (1/1) ... [2022-10-17 10:11:24,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:24" (1/1) ... [2022-10-17 10:11:24,534 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2022-10-17 10:11:24,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:11:24,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:11:24,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:11:24,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:11:24,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:24" (1/1) ... [2022-10-17 10:11:24,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:24" (1/1) ... [2022-10-17 10:11:24,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:24" (1/1) ... [2022-10-17 10:11:24,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:24" (1/1) ... [2022-10-17 10:11:24,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:24" (1/1) ... [2022-10-17 10:11:24,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:24" (1/1) ... [2022-10-17 10:11:24,558 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:24" (1/1) ... [2022-10-17 10:11:24,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:24" (1/1) ... [2022-10-17 10:11:24,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:11:24,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:11:24,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:11:24,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:11:24,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:24" (1/1) ... [2022-10-17 10:11:24,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:11:24,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:11:24,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:11:24,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:11:24,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:11:24,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:11:24,703 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:11:24,705 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:11:24,891 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:11:24,901 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:11:24,901 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:11:24,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:11:24 BoogieIcfgContainer [2022-10-17 10:11:24,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:11:24,904 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:11:24,905 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:11:24,909 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:11:24,910 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:11:24,910 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:11:24" (1/3) ... [2022-10-17 10:11:24,911 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77e98b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:11:24, skipping insertion in model container [2022-10-17 10:11:24,911 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:11:24,912 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:11:24" (2/3) ... [2022-10-17 10:11:24,912 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77e98b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:11:24, skipping insertion in model container [2022-10-17 10:11:24,912 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:11:24,912 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:11:24" (3/3) ... [2022-10-17 10:11:24,914 INFO L332 chiAutomizerObserver]: Analyzing ICFG dijkstra5-both-t.c [2022-10-17 10:11:24,968 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:11:24,968 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:11:24,969 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:11:24,969 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:11:24,969 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:11:24,969 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:11:24,969 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:11:24,970 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:11:24,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 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) [2022-10-17 10:11:24,991 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-10-17 10:11:24,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:11:24,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:11:24,997 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:11:24,997 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-10-17 10:11:24,997 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:11:24,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 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) [2022-10-17 10:11:25,000 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-10-17 10:11:25,000 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:11:25,000 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:11:25,000 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:11:25,001 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-10-17 10:11:25,008 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1, main_~c~0#1, main_~k~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; 9#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;main_~c~0#1 := 0;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10#L33-2true [2022-10-17 10:11:25,009 INFO L750 eck$LassoCheckResult]: Loop: 10#L33-2true assume !!(main_~q~0#1 <= main_~n~0#1);main_~q~0#1 := 4 * main_~q~0#1; 10#L33-2true [2022-10-17 10:11:25,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:11:25,015 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-10-17 10:11:25,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:11:25,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677378628] [2022-10-17 10:11:25,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:11:25,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:11:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:11:25,108 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:11:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:11:25,141 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:11:25,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:11:25,160 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2022-10-17 10:11:25,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:11:25,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101957669] [2022-10-17 10:11:25,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:11:25,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:11:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:11:25,168 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:11:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:11:25,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:11:25,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:11:25,191 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2022-10-17 10:11:25,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:11:25,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189269243] [2022-10-17 10:11:25,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:11:25,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:11:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:11:25,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:11:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:11:25,235 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:11:25,420 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:11:25,421 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:11:25,421 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:11:25,421 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:11:25,421 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:11:25,421 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:11:25,422 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:11:25,422 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:11:25,422 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra5-both-t.c_Iteration1_Lasso [2022-10-17 10:11:25,422 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:11:25,422 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:11:25,445 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:11:25,481 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:11:25,486 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:11:25,491 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:11:25,495 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:11:25,504 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:11:25,511 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:11:25,515 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:11:25,522 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:11:25,652 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:11:25,652 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:11:25,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:11:25,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:11:25,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:11:25,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:11:25,659 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:11:25,660 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:11:25,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-10-17 10:11:25,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:11:25,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:11:25,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:11:25,725 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:11:25,725 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:11:25,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd83728b-c405-4409-bf9a-ece5fc0e1540/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process