./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 26d01a9c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 2c19e6821eec12ef8284f33ab77e3183032aa426313dfebebf501fe3b6a052c3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-17 04:18:00,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 04:18:00,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 04:18:00,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 04:18:00,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 04:18:00,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 04:18:00,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 04:18:00,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 04:18:00,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 04:18:00,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 04:18:00,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 04:18:00,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 04:18:00,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 04:18:00,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 04:18:00,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 04:18:00,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 04:18:00,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 04:18:00,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 04:18:00,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 04:18:00,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 04:18:00,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 04:18:00,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 04:18:00,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 04:18:00,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 04:18:00,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 04:18:00,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 04:18:00,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 04:18:00,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 04:18:00,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 04:18:00,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 04:18:00,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 04:18:00,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 04:18:00,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 04:18:00,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 04:18:00,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 04:18:00,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 04:18:00,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 04:18:00,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 04:18:00,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 04:18:00,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 04:18:00,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 04:18:00,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-17 04:18:00,358 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 04:18:00,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 04:18:00,359 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 04:18:00,359 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 04:18:00,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 04:18:00,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 04:18:00,361 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 04:18:00,361 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-17 04:18:00,361 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-17 04:18:00,362 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-17 04:18:00,362 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-17 04:18:00,362 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-17 04:18:00,363 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-17 04:18:00,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 04:18:00,363 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-17 04:18:00,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 04:18:00,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 04:18:00,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-17 04:18:00,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-17 04:18:00,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-17 04:18:00,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 04:18:00,364 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-17 04:18:00,364 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 04:18:00,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-17 04:18:00,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 04:18:00,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 04:18:00,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 04:18:00,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 04:18:00,367 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-17 04:18:00,367 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c19e6821eec12ef8284f33ab77e3183032aa426313dfebebf501fe3b6a052c3 [2023-02-17 04:18:00,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 04:18:00,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 04:18:00,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 04:18:00,623 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 04:18:00,623 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 04:18:00,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c [2023-02-17 04:18:01,742 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 04:18:01,923 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 04:18:01,924 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/dijkstra1-both-t.c [2023-02-17 04:18:01,929 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f174b824/cdeb1bdd2e014d139f63cb7f2495230a/FLAG4b66ac18a [2023-02-17 04:18:01,946 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f174b824/cdeb1bdd2e014d139f63cb7f2495230a [2023-02-17 04:18:01,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 04:18:01,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 04:18:01,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 04:18:01,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 04:18:01,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 04:18:01,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:18:01" (1/1) ... [2023-02-17 04:18:01,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2350225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:01, skipping insertion in model container [2023-02-17 04:18:01,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:18:01" (1/1) ... [2023-02-17 04:18:01,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 04:18:01,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 04:18:02,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:18:02,101 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 04:18:02,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:18:02,125 INFO L208 MainTranslator]: Completed translation [2023-02-17 04:18:02,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:02 WrapperNode [2023-02-17 04:18:02,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 04:18:02,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 04:18:02,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 04:18:02,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 04:18:02,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:02" (1/1) ... [2023-02-17 04:18:02,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:02" (1/1) ... [2023-02-17 04:18:02,151 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2023-02-17 04:18:02,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 04:18:02,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 04:18:02,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 04:18:02,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 04:18:02,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:02" (1/1) ... [2023-02-17 04:18:02,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:02" (1/1) ... [2023-02-17 04:18:02,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:02" (1/1) ... [2023-02-17 04:18:02,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:02" (1/1) ... [2023-02-17 04:18:02,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:02" (1/1) ... [2023-02-17 04:18:02,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:02" (1/1) ... [2023-02-17 04:18:02,173 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:02" (1/1) ... [2023-02-17 04:18:02,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:02" (1/1) ... [2023-02-17 04:18:02,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 04:18:02,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 04:18:02,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 04:18:02,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 04:18:02,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:02" (1/1) ... [2023-02-17 04:18:02,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:02,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:02,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:02,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-02-17 04:18:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 04:18:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 04:18:02,281 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 04:18:02,283 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 04:18:02,396 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 04:18:02,402 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 04:18:02,402 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-17 04:18:02,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:18:02 BoogieIcfgContainer [2023-02-17 04:18:02,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 04:18:02,405 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-17 04:18:02,405 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-17 04:18:02,408 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-17 04:18:02,408 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 04:18:02,409 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.02 04:18:01" (1/3) ... [2023-02-17 04:18:02,409 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@770d605f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 04:18:02, skipping insertion in model container [2023-02-17 04:18:02,410 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 04:18:02,410 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:02" (2/3) ... [2023-02-17 04:18:02,410 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@770d605f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 04:18:02, skipping insertion in model container [2023-02-17 04:18:02,410 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 04:18:02,410 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:18:02" (3/3) ... [2023-02-17 04:18:02,412 INFO L332 chiAutomizerObserver]: Analyzing ICFG dijkstra1-both-t.c [2023-02-17 04:18:02,488 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-17 04:18:02,488 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-17 04:18:02,488 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-17 04:18:02,489 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-17 04:18:02,489 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-17 04:18:02,489 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-17 04:18:02,489 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-17 04:18:02,490 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-17 04:18:02,493 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) [2023-02-17 04:18:02,507 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2023-02-17 04:18:02,507 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 04:18:02,507 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 04:18:02,532 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-17 04:18:02,532 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-17 04:18:02,532 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-17 04:18:02,533 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) [2023-02-17 04:18:02,534 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2023-02-17 04:18:02,534 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 04:18:02,534 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 04:18:02,535 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-17 04:18:02,535 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-17 04:18:02,542 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 6#L25true assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0; 2#L32-2true [2023-02-17 04:18:02,542 INFO L750 eck$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 [2023-02-17 04:18:02,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:02,551 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-02-17 04:18:02,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:18:02,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107101295] [2023-02-17 04:18:02,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:02,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:18:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:02,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:18:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:02,663 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:18:02,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:02,665 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2023-02-17 04:18:02,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:18:02,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98987321] [2023-02-17 04:18:02,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:02,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:18:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:02,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:18:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:02,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:18:02,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:02,696 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2023-02-17 04:18:02,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:18:02,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775458707] [2023-02-17 04:18:02,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:02,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:18:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:02,711 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:18:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:02,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:18:02,757 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:18:02,758 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:18:02,761 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:18:02,761 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:18:02,761 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-17 04:18:02,761 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:02,761 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:18:02,762 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:18:02,762 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration1_Lasso [2023-02-17 04:18:02,762 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:18:02,762 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:18:02,780 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:02,787 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:02,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:02,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:02,811 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:02,822 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:18:02,837 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-17 04:18:02,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:02,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:02,861 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:02,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 04:18:02,910 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:18:02,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-02-17 04:18:02,931 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-17 04:18:02,931 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: [] [2023-02-17 04:18:02,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-02-17 04:18:02,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:02,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:02,941 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:02,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-02-17 04:18:02,951 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 04:18:02,952 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:18:02,977 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-17 04:18:02,978 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: [] [2023-02-17 04:18:02,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:02,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:02,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:02,989 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:02,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-02-17 04:18:02,994 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 04:18:02,994 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:18:03,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-02-17 04:18:03,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:03,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:03,033 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:03,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-02-17 04:18:03,037 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-17 04:18:03,037 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:18:15,192 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-02-17 04:18:15,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:15,213 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:18:15,213 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:18:15,213 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:18:15,213 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:18:15,213 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-17 04:18:15,214 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:15,214 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:18:15,214 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:18:15,214 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration1_Lasso [2023-02-17 04:18:15,214 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:18:15,214 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:18:15,216 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:15,219 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:15,221 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:15,223 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:15,231 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:15,236 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:18:15,240 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-17 04:18:15,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:15,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:15,243 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:15,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:18:15,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:15,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:15,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:15,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:18:15,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:18:15,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-17 04:18:15,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:15,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-02-17 04:18:15,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:15,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:15,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:15,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:15,284 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:15,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-02-17 04:18:15,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:18:15,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:15,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:15,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:15,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:18:15,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:18:15,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-17 04:18:15,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:15,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:15,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:15,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:15,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:15,310 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:15,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-02-17 04:18:15,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:18:15,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:15,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:15,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:18:15,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:18:15,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-17 04:18:15,327 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-17 04:18:15,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:15,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:15,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:15,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:15,354 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:15,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-02-17 04:18:15,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:18:15,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:15,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:15,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:18:15,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:18:15,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-17 04:18:15,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-17 04:18:15,404 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-17 04:18:15,414 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-02-17 04:18:15,414 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-02-17 04:18:15,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:15,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:15,454 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:15,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-02-17 04:18:15,457 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-17 04:18:15,465 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2023-02-17 04:18:15,466 INFO L513 LassoAnalysis]: Proved termination. [2023-02-17 04:18:15,466 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~q~0#1, ULTIMATE.start_main_~r~0#1) = -1*ULTIMATE.start_main_~q~0#1 + 1*ULTIMATE.start_main_~r~0#1 + 1 Supporting invariants [-1*ULTIMATE.start_main_~n~0#1 + 1*ULTIMATE.start_main_~r~0#1 >= 0, 3*ULTIMATE.start_main_~q~0#1 - 2 >= 0] [2023-02-17 04:18:15,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:15,478 INFO L156 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2023-02-17 04:18:15,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:18:15,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-17 04:18:15,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:18:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:18:15,533 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-17 04:18:15,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:18:15,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:18:15,559 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-17 04:18:15,561 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First 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) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2023-02-17 04:18:15,603 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First 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). Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) Result 30 states and 40 transitions. Complement of second has 6 states. [2023-02-17 04:18:15,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-17 04:18:15,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2023-02-17 04:18:15,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2023-02-17 04:18:15,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 3 letters. Loop has 1 letters. [2023-02-17 04:18:15,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 04:18:15,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 4 letters. Loop has 1 letters. [2023-02-17 04:18:15,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 04:18:15,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-17 04:18:15,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 04:18:15,613 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 40 transitions. [2023-02-17 04:18:15,615 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-17 04:18:15,618 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 8 states and 11 transitions. [2023-02-17 04:18:15,619 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-02-17 04:18:15,619 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-02-17 04:18:15,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2023-02-17 04:18:15,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-17 04:18:15,620 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-17 04:18:15,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2023-02-17 04:18:15,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2023-02-17 04:18:15,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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) [2023-02-17 04:18:15,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2023-02-17 04:18:15,637 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 10 transitions. [2023-02-17 04:18:15,637 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2023-02-17 04:18:15,637 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-17 04:18:15,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2023-02-17 04:18:15,637 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-17 04:18:15,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 04:18:15,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 04:18:15,638 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-17 04:18:15,639 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-17 04:18:15,639 INFO L748 eck$LassoCheckResult]: Stem: 93#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 94#L-1 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; 92#L25 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; 88#L32-2 assume !(main_~q~0#1 <= main_~n~0#1); 90#L53-2 [2023-02-17 04:18:15,639 INFO L750 eck$LassoCheckResult]: Loop: 90#L53-2 assume !!(main_~r~0#1 >= 2 * main_~p~0#1 + main_~q~0#1);main_~q~0#1 := (if main_~q~0#1 < 0 && 0 != main_~q~0#1 % 4 then 1 + main_~q~0#1 / 4 else main_~q~0#1 / 4);main_~h~0#1 := main_~p~0#1 + main_~q~0#1;main_~p~0#1 := (if main_~p~0#1 < 0 && 0 != main_~p~0#1 % 2 then 1 + main_~p~0#1 / 2 else main_~p~0#1 / 2); 91#L53 assume !(main_~r~0#1 >= main_~h~0#1); 90#L53-2 [2023-02-17 04:18:15,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:15,640 INFO L85 PathProgramCache]: Analyzing trace with hash 925674, now seen corresponding path program 1 times [2023-02-17 04:18:15,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:18:15,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005101882] [2023-02-17 04:18:15,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:15,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:18:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:15,645 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:18:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:15,649 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:18:15,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:15,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1830, now seen corresponding path program 1 times [2023-02-17 04:18:15,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:18:15,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897606659] [2023-02-17 04:18:15,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:15,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:18:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:15,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:18:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:15,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:18:15,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:15,682 INFO L85 PathProgramCache]: Analyzing trace with hash 889573583, now seen corresponding path program 1 times [2023-02-17 04:18:15,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:18:15,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885684314] [2023-02-17 04:18:15,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:15,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:18:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:18:15,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:18:15,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:18:15,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885684314] [2023-02-17 04:18:15,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885684314] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:18:15,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:18:15,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:18:15,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892878116] [2023-02-17 04:18:15,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:18:15,805 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:18:15,806 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:18:15,806 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:18:15,806 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:18:15,806 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-17 04:18:15,806 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:15,806 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:18:15,807 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:18:15,807 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration2_Loop [2023-02-17 04:18:15,807 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:18:15,807 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:18:15,809 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:15,817 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-17 04:18:15,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:16,159 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:18:16,159 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-17 04:18:16,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:16,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:16,161 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:16,171 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 04:18:16,171 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:18:16,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-02-17 04:18:17,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:17,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:17,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:17,294 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:17,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-02-17 04:18:17,297 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-17 04:18:17,297 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:18:27,627 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-17 04:18:27,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-02-17 04:18:27,658 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:18:27,658 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:18:27,658 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:18:27,658 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:18:27,658 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-17 04:18:27,658 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:27,658 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:18:27,658 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:18:27,658 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration2_Loop [2023-02-17 04:18:27,659 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:18:27,659 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:18:27,661 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:27,667 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-17 04:18:27,835 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:18:27,835 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-17 04:18:27,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:27,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:27,841 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:27,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-02-17 04:18:27,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:18:27,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:27,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:27,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:27,853 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:18:27,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:18:29,089 INFO L401 nArgumentSynthesizer]: We have 800 Motzkin's Theorem applications. [2023-02-17 04:18:29,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:31,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:31,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:31,258 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-17 04:18:31,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:31,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:31,262 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:31,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-02-17 04:18:31,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:18:31,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:31,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:31,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:31,272 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:18:31,272 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 04:18:32,847 INFO L401 nArgumentSynthesizer]: We have 1200 Motzkin's Theorem applications. [2023-02-17 04:18:32,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:36,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:36,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:36,611 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-02-17 04:18:36,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:36,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:36,612 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:36,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-02-17 04:18:36,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:18:36,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:36,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:36,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:36,623 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:18:36,623 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 04:18:38,529 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-17 04:18:38,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:44,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:44,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:44,524 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-02-17 04:18:44,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:44,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:44,526 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:44,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-02-17 04:18:44,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:18:44,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:44,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:44,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:44,537 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:18:44,537 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 04:18:46,894 INFO L401 nArgumentSynthesizer]: We have 2000 Motzkin's Theorem applications. [2023-02-17 04:18:46,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:55,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:55,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:55,713 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-02-17 04:18:55,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:55,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:55,714 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:55,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-02-17 04:18:55,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:18:55,724 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:18:55,724 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-17 04:18:55,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:55,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:55,725 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:18:55,725 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 04:18:57,219 INFO L401 nArgumentSynthesizer]: We have 1200 Motzkin's Theorem applications. [2023-02-17 04:18:57,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:19:07,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:19:07,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-02-17 04:19:07,174 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-02-17 04:19:07,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:19:07,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:19:07,175 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:19:07,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-02-17 04:19:07,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:19:07,185 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:19:07,186 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-17 04:19:07,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:19:07,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:19:07,186 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:19:07,186 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 04:19:09,286 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-17 04:19:09,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:19:24,538 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 04:19:24,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-02-17 04:19:24,643 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-02-17 04:19:24,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:19:24,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:19:24,645 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:19:24,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-02-17 04:19:24,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:19:24,664 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:19:24,664 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-17 04:19:24,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:19:24,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:19:24,664 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:19:24,664 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 04:19:27,443 INFO L401 nArgumentSynthesizer]: We have 2000 Motzkin's Theorem applications. [2023-02-17 04:19:27,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:20:19,312 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 04:20:19,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-02-17 04:20:19,452 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-02-17 04:20:19,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:20:19,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:20:19,453 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:20:19,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-02-17 04:20:19,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:20:19,468 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:20:19,468 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-17 04:20:19,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:20:19,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:20:19,468 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:20:19,468 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 04:20:21,457 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-17 04:20:21,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:20:35,213 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 04:20:35,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-02-17 04:20:35,302 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-02-17 04:20:35,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:20:35,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:20:35,304 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:20:35,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-02-17 04:20:35,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:20:35,317 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:20:35,317 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-17 04:20:35,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:20:35,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:20:35,318 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:20:35,318 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-17 04:20:38,281 INFO L401 nArgumentSynthesizer]: We have 2400 Motzkin's Theorem applications. [2023-02-17 04:20:38,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:21:12,692 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 04:21:12,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-02-17 04:21:12,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:21:12,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:21:12,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:21:12,834 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2023-02-17 04:21:12,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:21:12,855 INFO L93 Difference]: Finished difference Result 9 states and 12 transitions. [2023-02-17 04:21:12,855 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 12 transitions. [2023-02-17 04:21:12,856 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-17 04:21:12,856 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 12 transitions. [2023-02-17 04:21:12,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-02-17 04:21:12,856 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-02-17 04:21:12,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2023-02-17 04:21:12,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-17 04:21:12,856 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-17 04:21:12,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2023-02-17 04:21:12,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-02-17 04:21:12,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 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) [2023-02-17 04:21:12,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2023-02-17 04:21:12,858 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-17 04:21:12,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:21:12,859 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-17 04:21:12,859 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-17 04:21:12,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2023-02-17 04:21:12,859 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-17 04:21:12,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 04:21:12,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 04:21:12,860 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-02-17 04:21:12,860 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-17 04:21:12,860 INFO L748 eck$LassoCheckResult]: Stem: 119#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 120#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 118#L25 assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0; 113#L32-2 assume !(main_~q~0#1 <= main_~n~0#1); 115#L53-2 assume !!(main_~r~0#1 >= 2 * main_~p~0#1 + main_~q~0#1);main_~q~0#1 := (if main_~q~0#1 < 0 && 0 != main_~q~0#1 % 4 then 1 + main_~q~0#1 / 4 else main_~q~0#1 / 4);main_~h~0#1 := main_~p~0#1 + main_~q~0#1;main_~p~0#1 := (if main_~p~0#1 < 0 && 0 != main_~p~0#1 % 2 then 1 + main_~p~0#1 / 2 else main_~p~0#1 / 2); 121#L53 assume main_~r~0#1 >= main_~h~0#1;main_~p~0#1 := main_~p~0#1 + main_~q~0#1;main_~r~0#1 := main_~r~0#1 - main_~h~0#1; 116#L53-2 [2023-02-17 04:21:12,861 INFO L750 eck$LassoCheckResult]: Loop: 116#L53-2 assume !!(main_~r~0#1 >= 2 * main_~p~0#1 + main_~q~0#1);main_~q~0#1 := (if main_~q~0#1 < 0 && 0 != main_~q~0#1 % 4 then 1 + main_~q~0#1 / 4 else main_~q~0#1 / 4);main_~h~0#1 := main_~p~0#1 + main_~q~0#1;main_~p~0#1 := (if main_~p~0#1 < 0 && 0 != main_~p~0#1 % 2 then 1 + main_~p~0#1 / 2 else main_~p~0#1 / 2); 117#L53 assume !(main_~r~0#1 >= main_~h~0#1); 116#L53-2 [2023-02-17 04:21:12,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:21:12,861 INFO L85 PathProgramCache]: Analyzing trace with hash 889573581, now seen corresponding path program 1 times [2023-02-17 04:21:12,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:21:12,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777198778] [2023-02-17 04:21:12,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:21:12,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:21:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:21:12,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:21:12,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:21:12,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777198778] [2023-02-17 04:21:12,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777198778] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:21:12,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:21:12,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 04:21:12,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564910598] [2023-02-17 04:21:12,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:21:12,917 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-02-17 04:21:12,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:21:12,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1830, now seen corresponding path program 2 times [2023-02-17 04:21:12,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:21:12,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014750524] [2023-02-17 04:21:12,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:21:12,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:21:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:21:12,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:21:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:21:12,941 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:21:12,951 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:21:12,952 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:21:12,952 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:21:12,952 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:21:12,952 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-17 04:21:12,952 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:21:12,952 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:21:12,952 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:21:12,952 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration3_Loop [2023-02-17 04:21:12,953 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:21:12,953 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:21:12,954 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:21:12,961 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-17 04:21:13,025 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:21:13,026 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-17 04:21:13,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:21:13,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:21:13,029 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:21:13,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-02-17 04:21:13,041 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 04:21:13,042 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:21:13,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-02-17 04:21:13,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:21:13,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:21:13,855 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:21:13,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-02-17 04:21:13,858 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-17 04:21:13,858 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:21:22,869 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-17 04:21:22,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-02-17 04:21:22,906 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:21:22,906 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:21:22,906 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:21:22,906 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:21:22,906 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-17 04:21:22,906 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:21:22,906 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:21:22,906 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:21:22,907 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration3_Loop [2023-02-17 04:21:22,907 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:21:22,907 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:21:22,908 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:21:22,913 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-17 04:21:23,016 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:21:23,017 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-17 04:21:23,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:21:23,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:21:23,019 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:21:23,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-02-17 04:21:23,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:21:23,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:21:23,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:21:23,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:21:23,035 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:21:23,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:21:23,901 INFO L401 nArgumentSynthesizer]: We have 800 Motzkin's Theorem applications. [2023-02-17 04:21:23,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:21:25,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:21:25,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-02-17 04:21:25,843 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-17 04:21:25,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:21:25,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:21:25,844 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:21:25,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-02-17 04:21:25,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:21:25,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:21:25,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:21:25,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:21:25,855 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:21:25,855 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 04:21:27,092 INFO L401 nArgumentSynthesizer]: We have 1200 Motzkin's Theorem applications. [2023-02-17 04:21:27,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:21:30,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:21:30,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-02-17 04:21:30,675 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-02-17 04:21:30,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:21:30,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:21:30,676 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:21:30,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-02-17 04:21:30,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:21:30,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:21:30,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:21:30,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:21:30,700 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:21:30,700 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 04:21:32,807 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-17 04:21:32,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:21:38,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:21:38,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-02-17 04:21:38,722 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-02-17 04:21:38,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:21:38,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:21:38,723 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:21:38,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-02-17 04:21:38,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:21:38,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:21:38,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:21:38,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:21:38,735 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:21:38,735 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 04:21:40,817 INFO L401 nArgumentSynthesizer]: We have 2000 Motzkin's Theorem applications. [2023-02-17 04:21:40,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:21:49,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:21:49,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-02-17 04:21:49,474 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-02-17 04:21:49,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:21:49,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:21:49,476 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:21:49,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-02-17 04:21:49,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:21:49,485 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:21:49,486 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-17 04:21:49,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:21:49,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:21:49,486 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:21:49,486 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 04:21:50,843 INFO L401 nArgumentSynthesizer]: We have 1200 Motzkin's Theorem applications. [2023-02-17 04:21:50,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:22:04,538 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 04:22:04,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-02-17 04:22:04,607 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-02-17 04:22:04,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:22:04,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:22:04,608 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:22:04,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-02-17 04:22:04,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:22:04,621 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:22:04,621 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-17 04:22:04,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:22:04,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:22:04,621 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:22:04,621 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 04:22:06,705 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-17 04:22:06,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:22:22,842 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 04:22:22,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-02-17 04:22:22,947 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-02-17 04:22:22,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:22:22,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:22:22,948 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:22:22,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-02-17 04:22:22,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:22:22,962 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:22:22,962 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-17 04:22:22,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:22:22,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:22:22,962 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:22:22,962 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 04:22:25,697 INFO L401 nArgumentSynthesizer]: We have 2000 Motzkin's Theorem applications. [2023-02-17 04:22:25,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.