./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.07-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 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.07-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 468953385e0ecb57effbe4a67e36beea0bc9797d81fab044af341dde527767a1 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 15:00:24,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 15:00:24,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 15:00:24,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 15:00:24,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 15:00:24,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 15:00:24,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 15:00:24,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 15:00:24,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 15:00:24,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 15:00:24,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 15:00:24,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 15:00:24,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 15:00:24,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 15:00:24,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 15:00:24,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 15:00:24,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 15:00:24,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 15:00:24,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 15:00:24,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 15:00:24,590 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 15:00:24,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 15:00:24,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 15:00:24,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 15:00:24,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 15:00:24,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 15:00:24,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 15:00:24,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 15:00:24,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 15:00:24,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 15:00:24,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 15:00:24,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 15:00:24,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 15:00:24,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 15:00:24,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 15:00:24,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 15:00:24,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 15:00:24,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 15:00:24,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 15:00:24,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 15:00:24,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 15:00:24,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 15:00:24,614 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-14 15:00:24,643 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 15:00:24,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 15:00:24,644 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 15:00:24,644 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 15:00:24,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 15:00:24,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 15:00:24,646 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 15:00:24,646 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 15:00:24,646 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 15:00:24,647 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 15:00:24,647 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 15:00:24,648 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 15:00:24,648 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 15:00:24,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 15:00:24,648 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 15:00:24,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 15:00:24,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 15:00:24,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 15:00:24,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 15:00:24,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 15:00:24,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 15:00:24,650 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 15:00:24,650 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 15:00:24,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 15:00:24,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 15:00:24,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 15:00:24,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 15:00:24,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 15:00:24,652 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 15:00:24,653 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 468953385e0ecb57effbe4a67e36beea0bc9797d81fab044af341dde527767a1 [2022-07-14 15:00:24,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 15:00:24,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 15:00:24,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 15:00:24,930 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 15:00:24,931 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 15:00:24,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.07-alloca.i [2022-07-14 15:00:24,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e49ab41f7/c5178a1f626d45e4aef8ae6853db6da1/FLAG4a3358e04 [2022-07-14 15:00:25,471 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 15:00:25,471 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.07-alloca.i [2022-07-14 15:00:25,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e49ab41f7/c5178a1f626d45e4aef8ae6853db6da1/FLAG4a3358e04 [2022-07-14 15:00:25,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e49ab41f7/c5178a1f626d45e4aef8ae6853db6da1 [2022-07-14 15:00:25,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 15:00:25,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 15:00:25,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 15:00:25,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 15:00:25,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 15:00:25,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:00:25" (1/1) ... [2022-07-14 15:00:25,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb5c51f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:25, skipping insertion in model container [2022-07-14 15:00:25,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:00:25" (1/1) ... [2022-07-14 15:00:25,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 15:00:25,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 15:00:26,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:00:26,157 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 15:00:26,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:00:26,243 INFO L208 MainTranslator]: Completed translation [2022-07-14 15:00:26,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:26 WrapperNode [2022-07-14 15:00:26,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 15:00:26,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 15:00:26,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 15:00:26,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 15:00:26,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:26" (1/1) ... [2022-07-14 15:00:26,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:26" (1/1) ... [2022-07-14 15:00:26,280 INFO L137 Inliner]: procedures = 111, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2022-07-14 15:00:26,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 15:00:26,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 15:00:26,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 15:00:26,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 15:00:26,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:26" (1/1) ... [2022-07-14 15:00:26,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:26" (1/1) ... [2022-07-14 15:00:26,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:26" (1/1) ... [2022-07-14 15:00:26,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:26" (1/1) ... [2022-07-14 15:00:26,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:26" (1/1) ... [2022-07-14 15:00:26,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:26" (1/1) ... [2022-07-14 15:00:26,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:26" (1/1) ... [2022-07-14 15:00:26,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 15:00:26,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 15:00:26,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 15:00:26,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 15:00:26,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:26" (1/1) ... [2022-07-14 15:00:26,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:26,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:26,349 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) [2022-07-14 15:00:26,370 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 [2022-07-14 15:00:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 15:00:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 15:00:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 15:00:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 15:00:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 15:00:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 15:00:26,468 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 15:00:26,469 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 15:00:26,576 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 15:00:26,581 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 15:00:26,581 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 15:00:26,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:00:26 BoogieIcfgContainer [2022-07-14 15:00:26,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 15:00:26,584 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 15:00:26,584 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 15:00:26,589 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 15:00:26,592 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:00:26,607 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 03:00:25" (1/3) ... [2022-07-14 15:00:26,609 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@210df00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:00:26, skipping insertion in model container [2022-07-14 15:00:26,609 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:00:26,609 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:26" (2/3) ... [2022-07-14 15:00:26,610 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@210df00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:00:26, skipping insertion in model container [2022-07-14 15:00:26,610 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:00:26,610 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:00:26" (3/3) ... [2022-07-14 15:00:26,611 INFO L354 chiAutomizerObserver]: Analyzing ICFG b.07-alloca.i [2022-07-14 15:00:26,678 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 15:00:26,679 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 15:00:26,679 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 15:00:26,679 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 15:00:26,679 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 15:00:26,679 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 15:00:26,680 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 15:00:26,680 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 15:00:26,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:00:26,703 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-14 15:00:26,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:00:26,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:00:26,708 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 15:00:26,709 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 15:00:26,709 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 15:00:26,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:00:26,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-14 15:00:26,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:00:26,711 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:00:26,711 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 15:00:26,711 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 15:00:26,717 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~ret17#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 5#L557-5true [2022-07-14 15:00:26,717 INFO L754 eck$LassoCheckResult]: Loop: 5#L557-5true call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 > test_fun_#t~mem7#1; 10#L557-1true assume test_fun_#t~short10#1;call test_fun_#t~mem8#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem9#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem8#1 > test_fun_#t~mem9#1; 9#L557-3true assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1;call test_fun_#t~mem11#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem11#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 5#L557-5true [2022-07-14 15:00:26,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:26,724 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-14 15:00:26,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:00:26,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591165849] [2022-07-14 15:00:26,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:00:26,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:00:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:26,886 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:00:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:26,934 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:00:26,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:26,937 INFO L85 PathProgramCache]: Analyzing trace with hash 36846, now seen corresponding path program 1 times [2022-07-14 15:00:26,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:00:26,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053811306] [2022-07-14 15:00:26,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:00:26,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:00:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:26,959 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:00:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:26,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:00:26,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:26,976 INFO L85 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2022-07-14 15:00:26,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:00:26,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357587530] [2022-07-14 15:00:26,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:00:26,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:00:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:27,065 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:00:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:27,148 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:00:28,610 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 15:00:28,611 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 15:00:28,611 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 15:00:28,611 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 15:00:28,611 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 15:00:28,612 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:28,612 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 15:00:28,612 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 15:00:28,612 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.07-alloca.i_Iteration1_Lasso [2022-07-14 15:00:28,612 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 15:00:28,612 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 15:00:28,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:28,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:28,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:28,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:28,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:28,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:28,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:28,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:28,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:28,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:28,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:28,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:28,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:28,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:28,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:29,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:29,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:29,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:29,919 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 15:00:29,923 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 15:00:29,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:29,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:29,931 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) [2022-07-14 15:00:29,937 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 [2022-07-14 15:00:29,944 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 [2022-07-14 15:00:29,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:29,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:29,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:29,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:29,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:29,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:29,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:29,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:29,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-14 15:00:29,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:29,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:29,992 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) [2022-07-14 15:00:29,992 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 [2022-07-14 15:00:29,998 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 [2022-07-14 15:00:30,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:30,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:30,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:30,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:30,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:30,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:30,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:30,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:30,027 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 [2022-07-14 15:00:30,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:30,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:30,029 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) [2022-07-14 15:00:30,030 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 [2022-07-14 15:00:30,031 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 [2022-07-14 15:00:30,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:30,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:30,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:30,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:30,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:30,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:30,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:30,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:30,059 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 [2022-07-14 15:00:30,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:30,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:30,060 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) [2022-07-14 15:00:30,065 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 [2022-07-14 15:00:30,066 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 [2022-07-14 15:00:30,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:30,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:30,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:30,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:30,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:30,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:30,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:30,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:30,091 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 [2022-07-14 15:00:30,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:30,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:30,092 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) [2022-07-14 15:00:30,093 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 [2022-07-14 15:00:30,094 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 [2022-07-14 15:00:30,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:30,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:30,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:30,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:30,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:30,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:30,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:30,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:30,124 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 [2022-07-14 15:00:30,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:30,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:30,126 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) [2022-07-14 15:00:30,127 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 [2022-07-14 15:00:30,128 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 [2022-07-14 15:00:30,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:30,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:30,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:30,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:30,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:30,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:30,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:30,156 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 [2022-07-14 15:00:30,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:30,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:30,157 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) [2022-07-14 15:00:30,158 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 [2022-07-14 15:00:30,161 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 [2022-07-14 15:00:30,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:30,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:30,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:30,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:30,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:30,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:30,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:30,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:30,214 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 [2022-07-14 15:00:30,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:30,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:30,217 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) [2022-07-14 15:00:30,222 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 [2022-07-14 15:00:30,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:30,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:30,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:30,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:30,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:30,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:30,240 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 [2022-07-14 15:00:30,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:30,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-07-14 15:00:30,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:30,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:30,261 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) [2022-07-14 15:00:30,264 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 [2022-07-14 15:00:30,266 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 [2022-07-14 15:00:30,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:30,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:30,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:30,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:30,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:30,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:30,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:30,300 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 [2022-07-14 15:00:30,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:30,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:30,302 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) [2022-07-14 15:00:30,303 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 [2022-07-14 15:00:30,304 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 [2022-07-14 15:00:30,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:30,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:30,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:30,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:30,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:30,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:30,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:30,334 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 [2022-07-14 15:00:30,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:30,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:30,336 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) [2022-07-14 15:00:30,337 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 [2022-07-14 15:00:30,338 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 [2022-07-14 15:00:30,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:30,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:30,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:30,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:30,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:30,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:30,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:30,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:30,363 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 [2022-07-14 15:00:30,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:30,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:30,367 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) [2022-07-14 15:00:30,368 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 [2022-07-14 15:00:30,369 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 [2022-07-14 15:00:30,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:30,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:30,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:30,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:30,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:30,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:30,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:30,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:30,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-07-14 15:00:30,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:30,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:30,395 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) [2022-07-14 15:00:30,396 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 [2022-07-14 15:00:30,397 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 [2022-07-14 15:00:30,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:30,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:30,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:30,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:30,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:30,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:30,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:30,423 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 [2022-07-14 15:00:30,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:30,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:30,425 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) [2022-07-14 15:00:30,431 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 [2022-07-14 15:00:30,431 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 [2022-07-14 15:00:30,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:30,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:30,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:30,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:30,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:30,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:30,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:30,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:30,473 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 [2022-07-14 15:00:30,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:30,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:30,475 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) [2022-07-14 15:00:30,482 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 [2022-07-14 15:00:30,482 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 [2022-07-14 15:00:30,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:30,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:30,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:30,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:30,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:30,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:30,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:30,547 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 [2022-07-14 15:00:30,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:30,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:30,549 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) [2022-07-14 15:00:30,551 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 [2022-07-14 15:00:30,552 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 [2022-07-14 15:00:30,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:30,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:30,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:30,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:30,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:30,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:30,603 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 15:00:30,685 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2022-07-14 15:00:30,685 INFO L444 ModelExtractionUtils]: 13 out of 40 variables were initially zero. Simplification set additionally 24 variables to zero. [2022-07-14 15:00:30,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:30,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:30,688 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) [2022-07-14 15:00:30,690 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 [2022-07-14 15:00:30,691 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 15:00:30,713 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-14 15:00:30,713 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 15:00:30,714 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 Supporting invariants [] [2022-07-14 15:00:30,740 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 [2022-07-14 15:00:30,899 INFO L293 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2022-07-14 15:00:30,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:00:30,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 15:00:30,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:00:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:00:31,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 22 conjunts are in the unsatisfiable core [2022-07-14 15:00:31,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:00:31,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:00:31,217 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 [2022-07-14 15:00:31,218 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:00:31,277 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 [2022-07-14 15:00:31,317 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 38 states and 44 transitions. Complement of second has 9 states. [2022-07-14 15:00:31,319 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 [2022-07-14 15:00:31,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:00:31,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2022-07-14 15:00:31,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 3 letters. [2022-07-14 15:00:31,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:00:31,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 3 letters. [2022-07-14 15:00:31,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:00:31,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 6 letters. [2022-07-14 15:00:31,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:00:31,328 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 44 transitions. [2022-07-14 15:00:31,330 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-14 15:00:31,333 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 15 transitions. [2022-07-14 15:00:31,334 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-07-14 15:00:31,334 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-07-14 15:00:31,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2022-07-14 15:00:31,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 15:00:31,335 INFO L369 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-07-14 15:00:31,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2022-07-14 15:00:31,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-07-14 15:00:31,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:00:31,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-07-14 15:00:31,357 INFO L392 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-07-14 15:00:31,357 INFO L374 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-07-14 15:00:31,357 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 15:00:31,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2022-07-14 15:00:31,358 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-14 15:00:31,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:00:31,358 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:00:31,358 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-14 15:00:31,358 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 15:00:31,358 INFO L752 eck$LassoCheckResult]: Stem: 242#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 243#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~ret17#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 251#L557-5 call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 > test_fun_#t~mem7#1; 245#L557-1 [2022-07-14 15:00:31,359 INFO L754 eck$LassoCheckResult]: Loop: 245#L557-1 assume !test_fun_#t~short10#1; 248#L557-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1;call test_fun_#t~mem11#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem11#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 244#L557-5 call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 > test_fun_#t~mem7#1; 245#L557-1 [2022-07-14 15:00:31,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:31,359 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-07-14 15:00:31,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:00:31,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984505806] [2022-07-14 15:00:31,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:00:31,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:00:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:31,387 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:00:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:31,419 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:00:31,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:31,426 INFO L85 PathProgramCache]: Analyzing trace with hash 41888, now seen corresponding path program 1 times [2022-07-14 15:00:31,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:00:31,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192214603] [2022-07-14 15:00:31,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:00:31,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:00:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:00:31,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:00:31,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 15:00:31,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192214603] [2022-07-14 15:00:31,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192214603] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 15:00:31,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 15:00:31,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 15:00:31,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134097639] [2022-07-14 15:00:31,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 15:00:31,479 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-14 15:00:31,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 15:00:31,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 15:00:31,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 15:00:31,482 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:00:31,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 15:00:31,496 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2022-07-14 15:00:31,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 15:00:31,497 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2022-07-14 15:00:31,497 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:00:31,497 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2022-07-14 15:00:31,497 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-14 15:00:31,498 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-14 15:00:31,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-14 15:00:31,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:00:31,498 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:00:31,498 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:00:31,498 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:00:31,498 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-14 15:00:31,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-14 15:00:31,499 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:00:31,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-14 15:00:31,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 03:00:31 BoogieIcfgContainer [2022-07-14 15:00:31,505 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 15:00:31,506 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 15:00:31,506 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 15:00:31,506 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 15:00:31,507 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:00:26" (3/4) ... [2022-07-14 15:00:31,509 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 15:00:31,510 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 15:00:31,510 INFO L158 Benchmark]: Toolchain (without parser) took 5670.67ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 49.1MB in the beginning and 62.9MB in the end (delta: -13.8MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-07-14 15:00:31,511 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 66.2MB in the beginning and 66.1MB in the end (delta: 111.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:00:31,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.17ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 49.0MB in the beginning and 79.1MB in the end (delta: -30.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-07-14 15:00:31,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.58ms. Allocated memory is still 107.0MB. Free memory was 79.1MB in the beginning and 77.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:00:31,512 INFO L158 Benchmark]: Boogie Preprocessor took 32.01ms. Allocated memory is still 107.0MB. Free memory was 77.6MB in the beginning and 76.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:00:31,513 INFO L158 Benchmark]: RCFGBuilder took 269.21ms. Allocated memory is still 107.0MB. Free memory was 76.0MB in the beginning and 64.4MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-14 15:00:31,513 INFO L158 Benchmark]: BuchiAutomizer took 4921.47ms. Allocated memory is still 107.0MB. Free memory was 64.4MB in the beginning and 63.1MB in the end (delta: 1.3MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2022-07-14 15:00:31,513 INFO L158 Benchmark]: Witness Printer took 3.67ms. Allocated memory is still 107.0MB. Free memory was 63.1MB in the beginning and 62.9MB in the end (delta: 256.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:00:31,515 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 66.2MB in the beginning and 66.1MB in the end (delta: 111.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.17ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 49.0MB in the beginning and 79.1MB in the end (delta: -30.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.58ms. Allocated memory is still 107.0MB. Free memory was 79.1MB in the beginning and 77.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.01ms. Allocated memory is still 107.0MB. Free memory was 77.6MB in the beginning and 76.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 269.21ms. Allocated memory is still 107.0MB. Free memory was 76.0MB in the beginning and 64.4MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4921.47ms. Allocated memory is still 107.0MB. Free memory was 64.4MB in the beginning and 63.1MB in the end (delta: 1.3MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Witness Printer took 3.67ms. Allocated memory is still 107.0MB. Free memory was 63.1MB in the beginning and 62.9MB in the end (delta: 256.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] + -1 * unknown-#memory_int-unknown[z_ref][z_ref] and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.3s. 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 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 11 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital413 mio100 ax104 hnf100 lsp93 ukn53 mio100 lsp36 div100 bol100 ite100 ukn100 eq186 hnf88 smp97 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-14 15:00:31,541 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE