./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec 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-memory-alloca/b.05-alloca.i -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 f1e9ba7e316537618e1819aa49662575d0a5a8e7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 14:17:19,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 14:17:19,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 14:17:19,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 14:17:19,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 14:17:19,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 14:17:19,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 14:17:19,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 14:17:19,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 14:17:19,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 14:17:19,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 14:17:19,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 14:17:19,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 14:17:19,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 14:17:19,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 14:17:19,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 14:17:19,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 14:17:19,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 14:17:19,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 14:17:19,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 14:17:19,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 14:17:19,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 14:17:19,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 14:17:19,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 14:17:19,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 14:17:19,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 14:17:19,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 14:17:19,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 14:17:19,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 14:17:19,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 14:17:19,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 14:17:19,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 14:17:19,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 14:17:19,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 14:17:19,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 14:17:19,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 14:17:19,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 14:17:19,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 14:17:19,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 14:17:19,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 14:17:19,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 14:17:19,400 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-27 14:17:19,444 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 14:17:19,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 14:17:19,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 14:17:19,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 14:17:19,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 14:17:19,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 14:17:19,448 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 14:17:19,448 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 14:17:19,448 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 14:17:19,449 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 14:17:19,449 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 14:17:19,449 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 14:17:19,450 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 14:17:19,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 14:17:19,450 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 14:17:19,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 14:17:19,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 14:17:19,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 14:17:19,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 14:17:19,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 14:17:19,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 14:17:19,459 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 14:17:19,460 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 14:17:19,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 14:17:19,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 14:17:19,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 14:17:19,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 14:17:19,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 14:17:19,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 14:17:19,462 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 14:17:19,462 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1e9ba7e316537618e1819aa49662575d0a5a8e7 [2021-08-27 14:17:19,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 14:17:19,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 14:17:19,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 14:17:19,767 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 14:17:19,768 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 14:17:19,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i [2021-08-27 14:17:19,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f91db72a/00f9fcbbe5a241d79e4dd93ab0e11080/FLAG3b0eec4a6 [2021-08-27 14:17:20,360 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 14:17:20,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i [2021-08-27 14:17:20,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f91db72a/00f9fcbbe5a241d79e4dd93ab0e11080/FLAG3b0eec4a6 [2021-08-27 14:17:20,713 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f91db72a/00f9fcbbe5a241d79e4dd93ab0e11080 [2021-08-27 14:17:20,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 14:17:20,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 14:17:20,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 14:17:20,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 14:17:20,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 14:17:20,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:17:20" (1/1) ... [2021-08-27 14:17:20,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9e5c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:17:20, skipping insertion in model container [2021-08-27 14:17:20,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:17:20" (1/1) ... [2021-08-27 14:17:20,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 14:17:20,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 14:17:21,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:17:21,053 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 14:17:21,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:17:21,125 INFO L208 MainTranslator]: Completed translation [2021-08-27 14:17:21,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:17:21 WrapperNode [2021-08-27 14:17:21,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 14:17:21,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 14:17:21,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 14:17:21,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 14:17:21,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:17:21" (1/1) ... [2021-08-27 14:17:21,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:17:21" (1/1) ... [2021-08-27 14:17:21,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 14:17:21,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 14:17:21,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 14:17:21,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 14:17:21,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:17:21" (1/1) ... [2021-08-27 14:17:21,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:17:21" (1/1) ... [2021-08-27 14:17:21,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:17:21" (1/1) ... [2021-08-27 14:17:21,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:17:21" (1/1) ... [2021-08-27 14:17:21,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:17:21" (1/1) ... [2021-08-27 14:17:21,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:17:21" (1/1) ... [2021-08-27 14:17:21,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:17:21" (1/1) ... [2021-08-27 14:17:21,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 14:17:21,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 14:17:21,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 14:17:21,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 14:17:21,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:17:21" (1/1) ... [2021-08-27 14:17:21,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:21,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:21,214 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) [2021-08-27 14:17:21,226 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 [2021-08-27 14:17:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-27 14:17:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-27 14:17:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 14:17:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 14:17:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 14:17:21,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 14:17:21,544 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 14:17:21,545 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-27 14:17:21,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:17:21 BoogieIcfgContainer [2021-08-27 14:17:21,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 14:17:21,552 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 14:17:21,552 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 14:17:21,555 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 14:17:21,557 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:17:21,558 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 02:17:20" (1/3) ... [2021-08-27 14:17:21,559 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41c2f3fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:17:21, skipping insertion in model container [2021-08-27 14:17:21,559 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:17:21,559 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:17:21" (2/3) ... [2021-08-27 14:17:21,559 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41c2f3fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:17:21, skipping insertion in model container [2021-08-27 14:17:21,559 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:17:21,559 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:17:21" (3/3) ... [2021-08-27 14:17:21,561 INFO L389 chiAutomizerObserver]: Analyzing ICFG b.05-alloca.i [2021-08-27 14:17:21,617 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 14:17:21,617 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 14:17:21,617 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 14:17:21,618 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 14:17:21,618 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 14:17:21,618 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 14:17:21,618 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 14:17:21,618 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 14:17:21,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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) [2021-08-27 14:17:21,649 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-27 14:17:21,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:17:21,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:17:21,655 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-27 14:17:21,656 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:17:21,656 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 14:17:21,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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) [2021-08-27 14:17:21,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-27 14:17:21,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:17:21,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:17:21,659 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-27 14:17:21,659 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:17:21,665 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~tmp := main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~nondet4, test_fun_#t~mem12, test_fun_#t~nondet13, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem14, test_fun_~x, test_fun_~tmp, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(test_fun_#t~nondet4, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet4; 11#L554-11true [2021-08-27 14:17:21,667 INFO L793 eck$LassoCheckResult]: Loop: 11#L554-11true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 6#L554-1true assume test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 >= 0; 13#L554-3true test_fun_#t~short9 := test_fun_#t~short7; 8#L554-4true assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 1073741824; 15#L554-6true test_fun_#t~short11 := test_fun_#t~short9; 10#L554-7true assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short11 := test_fun_~x == 2 * test_fun_#t~mem10; 5#L554-9true assume !!test_fun_#t~short11;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~short11;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12;call write~int(test_fun_#t~nondet13, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet13; 11#L554-11true [2021-08-27 14:17:21,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:17:21,672 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-08-27 14:17:21,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:17:21,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213484650] [2021-08-27 14:17:21,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:17:21,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:17:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:17:21,783 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:17:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:17:21,834 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:17:21,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:17:21,837 INFO L82 PathProgramCache]: Analyzing trace with hash -334850282, now seen corresponding path program 1 times [2021-08-27 14:17:21,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:17:21,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593652844] [2021-08-27 14:17:21,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:17:21,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:17:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:17:21,890 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:17:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:17:21,910 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:17:21,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:17:21,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1211446548, now seen corresponding path program 1 times [2021-08-27 14:17:21,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:17:21,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215099919] [2021-08-27 14:17:21,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:17:21,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:17:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:17:21,951 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:17:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:17:21,982 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:17:22,735 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:17:22,735 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:17:22,736 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:17:22,736 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:17:22,736 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:17:22,736 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:22,736 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:17:22,736 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:17:22,737 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.05-alloca.i_Iteration1_Lasso [2021-08-27 14:17:22,737 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:17:22,738 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:17:22,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:22,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:22,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:22,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:22,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:22,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:22,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:22,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:22,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:22,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:22,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:22,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:22,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:22,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:22,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:22,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:23,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:23,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:23,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:23,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:17:23,476 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:17:23,480 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:17:23,481 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:23,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:23,489 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) [2021-08-27 14:17:23,502 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 [2021-08-27 14:17:23,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:23,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:17:23,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:23,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:23,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:23,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:17:23,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:17:23,516 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 [2021-08-27 14:17:23,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:23,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-27 14:17:23,557 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:23,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:23,559 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) [2021-08-27 14:17:23,560 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 [2021-08-27 14:17:23,562 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 [2021-08-27 14:17:23,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:23,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:17:23,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:23,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:23,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:23,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:17:23,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:17:23,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:23,615 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 [2021-08-27 14:17:23,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:23,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:23,617 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) [2021-08-27 14:17:23,619 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 [2021-08-27 14:17:23,620 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 [2021-08-27 14:17:23,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:23,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:17:23,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:23,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:23,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:23,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:17:23,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:17:23,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:23,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-27 14:17:23,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:23,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:23,677 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) [2021-08-27 14:17:23,682 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 [2021-08-27 14:17:23,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:23,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:17:23,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:23,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:23,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:23,690 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 [2021-08-27 14:17:23,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:17:23,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:17:23,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:23,717 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 [2021-08-27 14:17:23,718 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:23,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:23,719 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) [2021-08-27 14:17:23,727 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 [2021-08-27 14:17:23,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:23,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:23,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:23,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:23,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:17:23,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:17:23,747 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 [2021-08-27 14:17:23,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:23,773 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 [2021-08-27 14:17:23,773 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:23,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:23,775 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) [2021-08-27 14:17:23,775 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 [2021-08-27 14:17:23,777 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 [2021-08-27 14:17:23,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:23,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:17:23,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:23,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:23,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:23,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:17:23,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:17:23,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:23,806 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 [2021-08-27 14:17:23,807 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:23,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:23,808 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) [2021-08-27 14:17:23,809 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 [2021-08-27 14:17:23,811 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 [2021-08-27 14:17:23,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:23,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:17:23,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:23,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:23,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:23,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:17:23,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:17:23,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:23,864 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 [2021-08-27 14:17:23,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:23,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:23,873 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) [2021-08-27 14:17:23,875 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 [2021-08-27 14:17:23,877 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 [2021-08-27 14:17:23,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:23,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:17:23,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:23,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:23,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:23,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:17:23,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:17:23,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:23,925 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 [2021-08-27 14:17:23,926 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:23,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:23,927 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) [2021-08-27 14:17:23,928 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 [2021-08-27 14:17:23,930 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 [2021-08-27 14:17:23,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:23,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:17:23,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:23,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:23,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:23,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:17:23,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:17:23,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:23,979 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 [2021-08-27 14:17:23,979 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:23,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:23,981 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) [2021-08-27 14:17:23,983 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 [2021-08-27 14:17:23,984 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 [2021-08-27 14:17:23,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:23,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:23,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:23,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:23,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:17:23,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:17:24,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:24,041 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 [2021-08-27 14:17:24,041 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:24,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:24,045 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) [2021-08-27 14:17:24,045 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 [2021-08-27 14:17:24,046 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 [2021-08-27 14:17:24,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:24,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:24,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:24,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:24,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:17:24,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:17:24,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:24,086 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 [2021-08-27 14:17:24,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:24,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:24,091 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) [2021-08-27 14:17:24,092 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 [2021-08-27 14:17:24,093 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 [2021-08-27 14:17:24,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:24,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:17:24,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:24,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:24,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:24,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:17:24,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:17:24,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:24,121 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 [2021-08-27 14:17:24,122 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:24,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:24,123 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) [2021-08-27 14:17:24,123 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 [2021-08-27 14:17:24,126 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 [2021-08-27 14:17:24,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:24,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:24,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:24,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:24,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:17:24,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:17:24,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:24,194 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 [2021-08-27 14:17:24,195 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:24,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:24,196 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) [2021-08-27 14:17:24,204 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 [2021-08-27 14:17:24,204 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 [2021-08-27 14:17:24,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:24,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:17:24,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:24,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:24,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:24,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:17:24,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:17:24,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:24,229 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 [2021-08-27 14:17:24,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:24,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:24,230 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) [2021-08-27 14:17:24,232 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 [2021-08-27 14:17:24,233 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 [2021-08-27 14:17:24,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:24,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:24,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:24,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:24,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:17:24,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:17:24,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:24,290 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 [2021-08-27 14:17:24,290 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:24,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:24,291 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) [2021-08-27 14:17:24,291 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 [2021-08-27 14:17:24,296 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 [2021-08-27 14:17:24,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:24,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:24,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:24,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:24,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:17:24,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:17:24,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:24,354 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 [2021-08-27 14:17:24,355 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:24,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:24,357 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) [2021-08-27 14:17:24,367 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 [2021-08-27 14:17:24,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:24,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:24,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:24,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:24,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:17:24,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:17:24,383 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 [2021-08-27 14:17:24,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:24,402 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 [2021-08-27 14:17:24,402 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:24,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:24,403 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) [2021-08-27 14:17:24,404 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 [2021-08-27 14:17:24,405 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 [2021-08-27 14:17:24,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:24,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:24,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:24,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:24,414 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:17:24,414 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:17:24,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:24,439 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 [2021-08-27 14:17:24,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:24,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:24,449 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) [2021-08-27 14:17:24,457 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 [2021-08-27 14:17:24,458 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 [2021-08-27 14:17:24,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:24,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:24,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:24,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:24,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:17:24,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:17:24,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:24,519 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 [2021-08-27 14:17:24,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:24,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:24,521 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) [2021-08-27 14:17:24,522 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 [2021-08-27 14:17:24,524 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 [2021-08-27 14:17:24,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:24,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:24,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:24,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:24,542 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:17:24,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:17:24,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:17:24,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-08-27 14:17:24,590 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:24,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:24,592 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) [2021-08-27 14:17:24,594 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 [2021-08-27 14:17:24,594 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 [2021-08-27 14:17:24,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:17:24,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:17:24,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:17:24,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:17:24,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:17:24,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:17:24,632 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:17:24,648 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-08-27 14:17:24,648 INFO L444 ModelExtractionUtils]: 17 out of 22 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-08-27 14:17:24,649 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:17:24,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:17:24,662 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) [2021-08-27 14:17:24,663 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 [2021-08-27 14:17:24,664 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:17:24,697 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 14:17:24,698 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:17:24,698 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2021-08-27 14:17:24,722 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 [2021-08-27 14:17:24,769 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2021-08-27 14:17:24,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:17:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:17:24,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 14:17:24,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:17:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:17:24,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 14:17:24,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:17:25,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-08-27 14:17:25,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:17:25,076 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-08-27 14:17:25,078 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-08-27 14:17:25,175 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 54 states and 68 transitions. Complement of second has 9 states. [2021-08-27 14:17:25,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-08-27 14:17:25,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-08-27 14:17:25,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 36 transitions. [2021-08-27 14:17:25,179 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 7 letters. [2021-08-27 14:17:25,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:17:25,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 9 letters. Loop has 7 letters. [2021-08-27 14:17:25,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:17:25,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 14 letters. [2021-08-27 14:17:25,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:17:25,183 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 68 transitions. [2021-08-27 14:17:25,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-27 14:17:25,193 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 24 states and 33 transitions. [2021-08-27 14:17:25,194 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-08-27 14:17:25,194 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-08-27 14:17:25,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 33 transitions. [2021-08-27 14:17:25,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:17:25,195 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-08-27 14:17:25,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 33 transitions. [2021-08-27 14:17:25,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2021-08-27 14:17:25,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 22 states have internal predecessors, (32), 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) [2021-08-27 14:17:25,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 32 transitions. [2021-08-27 14:17:25,218 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2021-08-27 14:17:25,218 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2021-08-27 14:17:25,218 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 14:17:25,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 32 transitions. [2021-08-27 14:17:25,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-27 14:17:25,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:17:25,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:17:25,219 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-27 14:17:25,219 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:17:25,219 INFO L791 eck$LassoCheckResult]: Stem: 175#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 176#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~tmp := main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~nondet4, test_fun_#t~mem12, test_fun_#t~nondet13, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem14, test_fun_~x, test_fun_~tmp, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(test_fun_#t~nondet4, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet4; 193#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 183#L554-1 [2021-08-27 14:17:25,220 INFO L793 eck$LassoCheckResult]: Loop: 183#L554-1 assume !test_fun_#t~short7; 186#L554-3 test_fun_#t~short9 := test_fun_#t~short7; 187#L554-4 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 1073741824; 191#L554-6 test_fun_#t~short11 := test_fun_#t~short9; 177#L554-7 assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short11 := test_fun_~x == 2 * test_fun_#t~mem10; 178#L554-9 assume !!test_fun_#t~short11;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~short11;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12;call write~int(test_fun_#t~nondet13, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet13; 181#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 183#L554-1 [2021-08-27 14:17:25,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:17:25,220 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-08-27 14:17:25,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:17:25,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546633355] [2021-08-27 14:17:25,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:17:25,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:17:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:17:25,242 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:17:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:17:25,257 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:17:25,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:17:25,258 INFO L82 PathProgramCache]: Analyzing trace with hash -74889736, now seen corresponding path program 1 times [2021-08-27 14:17:25,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:17:25,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551871389] [2021-08-27 14:17:25,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:17:25,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:17:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:17:25,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:17:25,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:17:25,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551871389] [2021-08-27 14:17:25,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551871389] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:17:25,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:17:25,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 14:17:25,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126064347] [2021-08-27 14:17:25,305 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:17:25,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:17:25,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-27 14:17:25,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-27 14:17:25,312 INFO L87 Difference]: Start difference. First operand 23 states and 32 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-08-27 14:17:25,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:17:25,343 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2021-08-27 14:17:25,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 14:17:25,344 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2021-08-27 14:17:25,345 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-27 14:17:25,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 34 transitions. [2021-08-27 14:17:25,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-08-27 14:17:25,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-08-27 14:17:25,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2021-08-27 14:17:25,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:17:25,351 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2021-08-27 14:17:25,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2021-08-27 14:17:25,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2021-08-27 14:17:25,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 22 states have internal predecessors, (30), 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) [2021-08-27 14:17:25,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2021-08-27 14:17:25,354 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2021-08-27 14:17:25,354 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2021-08-27 14:17:25,357 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 14:17:25,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 30 transitions. [2021-08-27 14:17:25,361 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-27 14:17:25,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:17:25,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:17:25,362 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-27 14:17:25,362 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:17:25,362 INFO L791 eck$LassoCheckResult]: Stem: 233#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 234#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~tmp := main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~nondet4, test_fun_#t~mem12, test_fun_#t~nondet13, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem14, test_fun_~x, test_fun_~tmp, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(test_fun_#t~nondet4, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet4; 249#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 242#L554-1 [2021-08-27 14:17:25,362 INFO L793 eck$LassoCheckResult]: Loop: 242#L554-1 assume !test_fun_#t~short7; 244#L554-3 test_fun_#t~short9 := test_fun_#t~short7; 245#L554-4 assume !test_fun_#t~short9; 250#L554-6 test_fun_#t~short11 := test_fun_#t~short9; 235#L554-7 assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short11 := test_fun_~x == 2 * test_fun_#t~mem10; 236#L554-9 assume !!test_fun_#t~short11;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~short11;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12;call write~int(test_fun_#t~nondet13, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet13; 239#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 242#L554-1 [2021-08-27 14:17:25,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:17:25,363 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2021-08-27 14:17:25,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:17:25,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767554745] [2021-08-27 14:17:25,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:17:25,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:17:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:17:25,381 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:17:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:17:25,402 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:17:25,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:17:25,403 INFO L82 PathProgramCache]: Analyzing trace with hash -73042694, now seen corresponding path program 1 times [2021-08-27 14:17:25,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:17:25,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691988202] [2021-08-27 14:17:25,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:17:25,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:17:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:17:25,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:17:25,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:17:25,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691988202] [2021-08-27 14:17:25,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691988202] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:17:25,430 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:17:25,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-27 14:17:25,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121758850] [2021-08-27 14:17:25,431 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 14:17:25,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:17:25,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 14:17:25,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 14:17:25,432 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-08-27 14:17:25,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:17:25,482 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2021-08-27 14:17:25,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-27 14:17:25,482 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 26 transitions. [2021-08-27 14:17:25,483 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:17:25,483 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2021-08-27 14:17:25,483 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 14:17:25,483 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 14:17:25,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 14:17:25,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:17:25,484 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:17:25,484 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:17:25,484 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:17:25,484 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 14:17:25,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 14:17:25,484 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:17:25,484 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 14:17:25,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 02:17:25 BoogieIcfgContainer [2021-08-27 14:17:25,489 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 14:17:25,489 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 14:17:25,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 14:17:25,490 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 14:17:25,490 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:17:21" (3/4) ... [2021-08-27 14:17:25,492 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 14:17:25,492 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 14:17:25,494 INFO L168 Benchmark]: Toolchain (without parser) took 4775.95 ms. Allocated memory was 58.7 MB in the beginning and 111.1 MB in the end (delta: 52.4 MB). Free memory was 36.5 MB in the beginning and 39.9 MB in the end (delta: -3.4 MB). Peak memory consumption was 49.6 MB. Max. memory is 16.1 GB. [2021-08-27 14:17:25,494 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 58.7 MB. Free memory was 40.7 MB in the beginning and 40.7 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:17:25,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.49 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 36.3 MB in the beginning and 52.4 MB in the end (delta: -16.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-27 14:17:25,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.06 ms. Allocated memory is still 73.4 MB. Free memory was 52.2 MB in the beginning and 50.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 14:17:25,495 INFO L168 Benchmark]: Boogie Preprocessor took 17.96 ms. Allocated memory is still 73.4 MB. Free memory was 50.5 MB in the beginning and 49.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:17:25,496 INFO L168 Benchmark]: RCFGBuilder took 364.67 ms. Allocated memory is still 73.4 MB. Free memory was 49.3 MB in the beginning and 51.0 MB in the end (delta: -1.7 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2021-08-27 14:17:25,496 INFO L168 Benchmark]: BuchiAutomizer took 3937.08 ms. Allocated memory was 73.4 MB in the beginning and 111.1 MB in the end (delta: 37.7 MB). Free memory was 51.0 MB in the beginning and 39.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 48.9 MB. Max. memory is 16.1 GB. [2021-08-27 14:17:25,497 INFO L168 Benchmark]: Witness Printer took 3.00 ms. Allocated memory is still 111.1 MB. Free memory is still 39.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:17:25,499 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 58.7 MB. Free memory was 40.7 MB in the beginning and 40.7 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 407.49 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 36.3 MB in the beginning and 52.4 MB in the end (delta: -16.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.06 ms. Allocated memory is still 73.4 MB. Free memory was 52.2 MB in the beginning and 50.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.96 ms. Allocated memory is still 73.4 MB. Free memory was 50.5 MB in the beginning and 49.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 364.67 ms. Allocated memory is still 73.4 MB. Free memory was 49.3 MB in the beginning and 51.0 MB in the end (delta: -1.7 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3937.08 ms. Allocated memory was 73.4 MB in the beginning and 111.1 MB in the end (delta: 37.7 MB). Free memory was 51.0 MB in the beginning and 39.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 48.9 MB. Max. memory is 16.1 GB. * Witness Printer took 3.00 ms. Allocated memory is still 111.1 MB. Free memory is still 39.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 15.0ms AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 23 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 27 SDtfs, 64 SDslu, 49 SDs, 0 SdLazy, 60 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 57.0ms Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital220 mio100 ax108 hnf100 lsp87 ukn64 mio100 lsp39 div100 bol100 ite100 ukn100 eq175 hnf89 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 14:17:25,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...