./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/gcd1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 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/gcd1-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 dbeb9f947cec8628096a17298becb379047c46a0d943e4ea9c16db72c8a208b4 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:03:06,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:03:07,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:03:07,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:03:07,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:03:07,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:03:07,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:03:07,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:03:07,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:03:07,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:03:07,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:03:07,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:03:07,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:03:07,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:03:07,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:03:07,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:03:07,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:03:07,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:03:07,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:03:07,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:03:07,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:03:07,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:03:07,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:03:07,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:03:07,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:03:07,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:03:07,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:03:07,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:03:07,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:03:07,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:03:07,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:03:07,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:03:07,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:03:07,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:03:07,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:03:07,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:03:07,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:03:07,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:03:07,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:03:07,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:03:07,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:03:07,112 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-15 17:03:07,139 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:03:07,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:03:07,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:03:07,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:03:07,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:03:07,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:03:07,142 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:03:07,142 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:03:07,142 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:03:07,142 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:03:07,143 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:03:07,143 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:03:07,143 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:03:07,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:03:07,144 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:03:07,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:03:07,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:03:07,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:03:07,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:03:07,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:03:07,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:03:07,145 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:03:07,145 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:03:07,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:03:07,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:03:07,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:03:07,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:03:07,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:03:07,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:03:07,147 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:03:07,147 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbeb9f947cec8628096a17298becb379047c46a0d943e4ea9c16db72c8a208b4 [2021-12-15 17:03:07,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:03:07,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:03:07,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:03:07,388 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:03:07,389 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:03:07,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/gcd1-alloca.i [2021-12-15 17:03:07,449 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bc312e6d/90ba6ef6c4bc4898b16745a97acbb7c5/FLAG50c4fef65 [2021-12-15 17:03:08,002 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:03:08,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/gcd1-alloca.i [2021-12-15 17:03:08,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bc312e6d/90ba6ef6c4bc4898b16745a97acbb7c5/FLAG50c4fef65 [2021-12-15 17:03:08,317 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bc312e6d/90ba6ef6c4bc4898b16745a97acbb7c5 [2021-12-15 17:03:08,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:03:08,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:03:08,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:03:08,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:03:08,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:03:08,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:03:08" (1/1) ... [2021-12-15 17:03:08,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280c035f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:08, skipping insertion in model container [2021-12-15 17:03:08,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:03:08" (1/1) ... [2021-12-15 17:03:08,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:03:08,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:03:08,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:03:08,697 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:03:08,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:03:08,749 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:03:08,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:08 WrapperNode [2021-12-15 17:03:08,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:03:08,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:03:08,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:03:08,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:03:08,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:08" (1/1) ... [2021-12-15 17:03:08,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:08" (1/1) ... [2021-12-15 17:03:08,825 INFO L137 Inliner]: procedures = 111, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2021-12-15 17:03:08,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:03:08,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:03:08,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:03:08,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:03:08,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:08" (1/1) ... [2021-12-15 17:03:08,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:08" (1/1) ... [2021-12-15 17:03:08,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:08" (1/1) ... [2021-12-15 17:03:08,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:08" (1/1) ... [2021-12-15 17:03:08,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:08" (1/1) ... [2021-12-15 17:03:08,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:08" (1/1) ... [2021-12-15 17:03:08,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:08" (1/1) ... [2021-12-15 17:03:08,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:03:08,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:03:08,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:03:08,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:03:08,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:08" (1/1) ... [2021-12-15 17:03:08,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:08,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:08,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:08,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-15 17:03:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 17:03:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:03:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 17:03:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 17:03:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:03:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:03:09,019 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:03:09,021 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:03:09,180 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:03:09,185 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:03:09,185 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 17:03:09,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:03:09 BoogieIcfgContainer [2021-12-15 17:03:09,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:03:09,187 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:03:09,187 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:03:09,190 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:03:09,191 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:03:09,191 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:03:08" (1/3) ... [2021-12-15 17:03:09,192 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ec34717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:03:09, skipping insertion in model container [2021-12-15 17:03:09,192 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:03:09,192 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:08" (2/3) ... [2021-12-15 17:03:09,192 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ec34717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:03:09, skipping insertion in model container [2021-12-15 17:03:09,192 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:03:09,193 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:03:09" (3/3) ... [2021-12-15 17:03:09,194 INFO L388 chiAutomizerObserver]: Analyzing ICFG gcd1-alloca.i [2021-12-15 17:03:09,227 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:03:09,228 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:03:09,228 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:03:09,228 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:03:09,228 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:03:09,228 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:03:09,228 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:03:09,229 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:03:09,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:09,254 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-15 17:03:09,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:03:09,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:03:09,259 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-15 17:03:09,259 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-15 17:03:09,259 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:03:09,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:09,261 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-15 17:03:09,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:03:09,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:03:09,262 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-15 17:03:09,262 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-15 17:03:09,268 INFO L791 eck$LassoCheckResult]: Stem: 4#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~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;main_~y~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume { :begin_inline_gcd } true;gcd_#in~x#1, gcd_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc gcd_#res#1;havoc gcd_#t~malloc2#1.base, gcd_#t~malloc2#1.offset, gcd_#t~malloc3#1.base, gcd_#t~malloc3#1.offset, gcd_#t~malloc4#1.base, gcd_#t~malloc4#1.offset, gcd_#t~mem5#1, gcd_#t~mem6#1, gcd_#t~mem7#1, gcd_#t~mem8#1, gcd_#t~mem10#1, gcd_#t~mem13#1, gcd_#t~mem14#1, gcd_#t~mem11#1, gcd_#t~mem12#1, gcd_#t~mem15#1, gcd_#t~mem16#1, gcd_#t~mem9#1, gcd_#t~mem17#1, gcd_~x#1, gcd_~y#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, gcd_~r~0#1.base, gcd_~r~0#1.offset;gcd_~x#1 := gcd_#in~x#1;gcd_~y#1 := gcd_#in~y#1;call gcd_#t~malloc2#1.base, gcd_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset := gcd_#t~malloc2#1.base, gcd_#t~malloc2#1.offset;call gcd_#t~malloc3#1.base, gcd_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset := gcd_#t~malloc3#1.base, gcd_#t~malloc3#1.offset;call gcd_#t~malloc4#1.base, gcd_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);gcd_~r~0#1.base, gcd_~r~0#1.offset := gcd_#t~malloc4#1.base, gcd_#t~malloc4#1.offset;call write~int(gcd_~x#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);call write~int(gcd_~y#1, gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);call gcd_#t~mem5#1 := read~int(gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4); 10#L553true assume !(gcd_#t~mem5#1 < 0);havoc gcd_#t~mem5#1; 6#L553-2true call gcd_#t~mem7#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4); 16#L554true assume !(gcd_#t~mem7#1 < 0);havoc gcd_#t~mem7#1; 7#L555-2true [2021-12-15 17:03:09,269 INFO L793 eck$LassoCheckResult]: Loop: 7#L555-2true call gcd_#t~mem9#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4); 11#L555true assume !!(gcd_#t~mem9#1 > 0);havoc gcd_#t~mem9#1;call gcd_#t~mem10#1 := read~int(gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);call write~int(gcd_#t~mem10#1, gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);havoc gcd_#t~mem10#1; 14#L557-3true assume !true; 9#L557-4true call gcd_#t~mem15#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);call write~int(gcd_#t~mem15#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);havoc gcd_#t~mem15#1;call gcd_#t~mem16#1 := read~int(gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);call write~int(gcd_#t~mem16#1, gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);havoc gcd_#t~mem16#1; 7#L555-2true [2021-12-15 17:03:09,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:09,274 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2021-12-15 17:03:09,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:09,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781137922] [2021-12-15 17:03:09,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:09,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:09,433 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:09,485 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:09,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:09,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1513768, now seen corresponding path program 1 times [2021-12-15 17:03:09,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:09,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418510643] [2021-12-15 17:03:09,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:09,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:09,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:03:09,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:03:09,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418510643] [2021-12-15 17:03:09,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418510643] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:03:09,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:03:09,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 17:03:09,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159116373] [2021-12-15 17:03:09,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:03:09,554 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:03:09,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:03:09,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-15 17:03:09,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 17:03:09,586 INFO L87 Difference]: Start difference. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:09,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:03:09,591 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2021-12-15 17:03:09,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-15 17:03:09,598 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2021-12-15 17:03:09,599 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-15 17:03:09,601 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 10 states and 13 transitions. [2021-12-15 17:03:09,601 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-12-15 17:03:09,602 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-12-15 17:03:09,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2021-12-15 17:03:09,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:03:09,602 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-12-15 17:03:09,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2021-12-15 17:03:09,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-12-15 17:03:09,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:09,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-12-15 17:03:09,619 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-12-15 17:03:09,619 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-12-15 17:03:09,619 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:03:09,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2021-12-15 17:03:09,620 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-15 17:03:09,620 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:03:09,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:03:09,620 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-15 17:03:09,620 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-15 17:03:09,620 INFO L791 eck$LassoCheckResult]: Stem: 42#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 43#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;main_~y~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume { :begin_inline_gcd } true;gcd_#in~x#1, gcd_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc gcd_#res#1;havoc gcd_#t~malloc2#1.base, gcd_#t~malloc2#1.offset, gcd_#t~malloc3#1.base, gcd_#t~malloc3#1.offset, gcd_#t~malloc4#1.base, gcd_#t~malloc4#1.offset, gcd_#t~mem5#1, gcd_#t~mem6#1, gcd_#t~mem7#1, gcd_#t~mem8#1, gcd_#t~mem10#1, gcd_#t~mem13#1, gcd_#t~mem14#1, gcd_#t~mem11#1, gcd_#t~mem12#1, gcd_#t~mem15#1, gcd_#t~mem16#1, gcd_#t~mem9#1, gcd_#t~mem17#1, gcd_~x#1, gcd_~y#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, gcd_~r~0#1.base, gcd_~r~0#1.offset;gcd_~x#1 := gcd_#in~x#1;gcd_~y#1 := gcd_#in~y#1;call gcd_#t~malloc2#1.base, gcd_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset := gcd_#t~malloc2#1.base, gcd_#t~malloc2#1.offset;call gcd_#t~malloc3#1.base, gcd_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset := gcd_#t~malloc3#1.base, gcd_#t~malloc3#1.offset;call gcd_#t~malloc4#1.base, gcd_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);gcd_~r~0#1.base, gcd_~r~0#1.offset := gcd_#t~malloc4#1.base, gcd_#t~malloc4#1.offset;call write~int(gcd_~x#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);call write~int(gcd_~y#1, gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);call gcd_#t~mem5#1 := read~int(gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4); 38#L553 assume !(gcd_#t~mem5#1 < 0);havoc gcd_#t~mem5#1; 39#L553-2 call gcd_#t~mem7#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4); 44#L554 assume !(gcd_#t~mem7#1 < 0);havoc gcd_#t~mem7#1; 45#L555-2 [2021-12-15 17:03:09,621 INFO L793 eck$LassoCheckResult]: Loop: 45#L555-2 call gcd_#t~mem9#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4); 40#L555 assume !!(gcd_#t~mem9#1 > 0);havoc gcd_#t~mem9#1;call gcd_#t~mem10#1 := read~int(gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);call write~int(gcd_#t~mem10#1, gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);havoc gcd_#t~mem10#1; 41#L557-3 call gcd_#t~mem11#1 := read~int(gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);call gcd_#t~mem12#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4); 46#L557-1 assume !(gcd_#t~mem11#1 >= gcd_#t~mem12#1);havoc gcd_#t~mem11#1;havoc gcd_#t~mem12#1; 47#L557-4 call gcd_#t~mem15#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);call write~int(gcd_#t~mem15#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);havoc gcd_#t~mem15#1;call gcd_#t~mem16#1 := read~int(gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);call write~int(gcd_#t~mem16#1, gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);havoc gcd_#t~mem16#1; 45#L555-2 [2021-12-15 17:03:09,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:09,622 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 2 times [2021-12-15 17:03:09,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:09,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262191593] [2021-12-15 17:03:09,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:09,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:09,652 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:09,668 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:09,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:09,669 INFO L85 PathProgramCache]: Analyzing trace with hash 46919933, now seen corresponding path program 1 times [2021-12-15 17:03:09,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:09,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144062565] [2021-12-15 17:03:09,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:09,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:09,681 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:09,692 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:09,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:09,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1985425099, now seen corresponding path program 1 times [2021-12-15 17:03:09,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:09,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765382866] [2021-12-15 17:03:09,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:09,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:09,730 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:09,759 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:10,391 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:03:10,392 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:03:10,392 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:03:10,392 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:03:10,392 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:03:10,392 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:10,392 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:03:10,392 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:03:10,393 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd1-alloca.i_Iteration2_Lasso [2021-12-15 17:03:10,393 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:03:10,393 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:03:10,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:10,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:11,205 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:03:11,208 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:03:11,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:11,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:11,216 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:11,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-15 17:03:11,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:11,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:11,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:11,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:11,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:11,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:11,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:11,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:11,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:11,266 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 [2021-12-15 17:03:11,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:11,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:11,268 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:11,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-15 17:03:11,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:11,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:11,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:11,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:11,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:11,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:11,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:11,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:11,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:11,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:11,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:11,324 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:11,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-15 17:03:11,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:11,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:11,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:11,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:11,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:11,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:11,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:11,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:11,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:11,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:11,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:11,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:11,381 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:11,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-15 17:03:11,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:11,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:11,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:11,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:11,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:11,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:11,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:11,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:11,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:11,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:11,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:11,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:11,467 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:11,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-15 17:03:11,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:11,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:11,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:11,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:11,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:11,495 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:11,495 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:11,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:11,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:11,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:11,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:11,529 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:11,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-15 17:03:11,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:11,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:11,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:11,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:11,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:11,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:11,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:11,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:11,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:11,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-15 17:03:11,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:11,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:11,557 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:11,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-15 17:03:11,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:11,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:11,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:11,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:11,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:11,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:11,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:11,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:11,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:11,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:11,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:11,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:11,589 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:11,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-15 17:03:11,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:11,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:11,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:11,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:11,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:11,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:11,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:11,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:11,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:11,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:11,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:11,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:11,616 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:11,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-15 17:03:11,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:11,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:11,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:11,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:11,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:11,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:11,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:11,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:11,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-15 17:03:11,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:11,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:11,683 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:11,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-15 17:03:11,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:11,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:11,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:11,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:11,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:11,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:11,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:11,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:11,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:11,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:11,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:11,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:11,727 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:11,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-15 17:03:11,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:11,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:11,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:11,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:11,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:11,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:11,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:11,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:11,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:11,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:11,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:11,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:11,767 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:11,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-15 17:03:11,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:11,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:11,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:11,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:11,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:11,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:11,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:11,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:11,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:11,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:11,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:11,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:11,809 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:11,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-15 17:03:11,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:11,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:11,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:11,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:11,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:11,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:11,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:11,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:11,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:11,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:11,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:11,854 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:11,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-15 17:03:11,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:11,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:11,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:11,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:11,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:11,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:11,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:11,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:11,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:11,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:11,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:11,905 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:11,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-15 17:03:11,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:11,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:11,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:11,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:11,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:11,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:11,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:11,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:12,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:12,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:12,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:12,032 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:12,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-15 17:03:12,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:12,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:12,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:12,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:12,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:12,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:12,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:12,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:12,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-15 17:03:12,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:12,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:12,112 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:12,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-15 17:03:12,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:12,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:12,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:12,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:12,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:12,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:12,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:12,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:12,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:12,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:12,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:12,146 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:12,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-15 17:03:12,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:12,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:12,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:12,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:12,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:12,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:12,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:12,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:12,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:12,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:12,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:12,178 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:12,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-15 17:03:12,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:12,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:12,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:12,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:12,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:12,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:12,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:12,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:12,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:12,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:12,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:12,248 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:12,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-15 17:03:12,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:12,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:12,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:12,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:12,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:12,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:12,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:12,295 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:03:12,313 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-12-15 17:03:12,313 INFO L444 ModelExtractionUtils]: 25 out of 31 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-12-15 17:03:12,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:12,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:12,324 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:12,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-15 17:03:12,368 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:03:12,396 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:03:12,397 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:03:12,397 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_gcd_~y_ref~0#1.base) ULTIMATE.start_gcd_~y_ref~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_gcd_~y_ref~0#1.base) ULTIMATE.start_gcd_~y_ref~0#1.offset)_1 Supporting invariants [] [2021-12-15 17:03:12,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:12,483 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2021-12-15 17:03:12,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:12,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-15 17:03:12,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:03:12,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2021-12-15 17:03:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:12,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-15 17:03:12,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:03:12,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:12,715 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-12-15 17:03:12,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 29 [2021-12-15 17:03:12,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:03:12,842 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2021-12-15 17:03:12,842 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:12,979 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 32 transitions. Complement of second has 15 states. [2021-12-15 17:03:12,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2021-12-15 17:03:12,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:12,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 22 transitions. [2021-12-15 17:03:12,981 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 5 letters. Loop has 5 letters. [2021-12-15 17:03:12,982 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:12,982 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 10 letters. Loop has 5 letters. [2021-12-15 17:03:12,982 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:12,982 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 5 letters. Loop has 10 letters. [2021-12-15 17:03:12,983 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:12,983 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 32 transitions. [2021-12-15 17:03:12,984 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-15 17:03:12,984 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 23 states and 30 transitions. [2021-12-15 17:03:12,984 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-12-15 17:03:12,984 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-12-15 17:03:12,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 30 transitions. [2021-12-15 17:03:12,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:03:12,985 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2021-12-15 17:03:12,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 30 transitions. [2021-12-15 17:03:12,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 19. [2021-12-15 17:03:12,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:12,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2021-12-15 17:03:12,986 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-12-15 17:03:12,987 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-12-15 17:03:12,987 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-15 17:03:12,987 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2021-12-15 17:03:12,987 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-15 17:03:12,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:03:12,987 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:03:12,988 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-15 17:03:12,988 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-15 17:03:12,988 INFO L791 eck$LassoCheckResult]: Stem: 251#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 252#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;main_~y~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume { :begin_inline_gcd } true;gcd_#in~x#1, gcd_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc gcd_#res#1;havoc gcd_#t~malloc2#1.base, gcd_#t~malloc2#1.offset, gcd_#t~malloc3#1.base, gcd_#t~malloc3#1.offset, gcd_#t~malloc4#1.base, gcd_#t~malloc4#1.offset, gcd_#t~mem5#1, gcd_#t~mem6#1, gcd_#t~mem7#1, gcd_#t~mem8#1, gcd_#t~mem10#1, gcd_#t~mem13#1, gcd_#t~mem14#1, gcd_#t~mem11#1, gcd_#t~mem12#1, gcd_#t~mem15#1, gcd_#t~mem16#1, gcd_#t~mem9#1, gcd_#t~mem17#1, gcd_~x#1, gcd_~y#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, gcd_~r~0#1.base, gcd_~r~0#1.offset;gcd_~x#1 := gcd_#in~x#1;gcd_~y#1 := gcd_#in~y#1;call gcd_#t~malloc2#1.base, gcd_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset := gcd_#t~malloc2#1.base, gcd_#t~malloc2#1.offset;call gcd_#t~malloc3#1.base, gcd_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset := gcd_#t~malloc3#1.base, gcd_#t~malloc3#1.offset;call gcd_#t~malloc4#1.base, gcd_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);gcd_~r~0#1.base, gcd_~r~0#1.offset := gcd_#t~malloc4#1.base, gcd_#t~malloc4#1.offset;call write~int(gcd_~x#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);call write~int(gcd_~y#1, gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);call gcd_#t~mem5#1 := read~int(gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4); 245#L553 assume !(gcd_#t~mem5#1 < 0);havoc gcd_#t~mem5#1; 246#L553-2 call gcd_#t~mem7#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4); 253#L554 assume gcd_#t~mem7#1 < 0;havoc gcd_#t~mem7#1;call gcd_#t~mem8#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);call write~int(-gcd_#t~mem8#1, gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);havoc gcd_#t~mem8#1; 254#L555-2 [2021-12-15 17:03:12,988 INFO L793 eck$LassoCheckResult]: Loop: 254#L555-2 call gcd_#t~mem9#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4); 255#L555 assume !!(gcd_#t~mem9#1 > 0);havoc gcd_#t~mem9#1;call gcd_#t~mem10#1 := read~int(gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);call write~int(gcd_#t~mem10#1, gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);havoc gcd_#t~mem10#1; 263#L557-3 call gcd_#t~mem11#1 := read~int(gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);call gcd_#t~mem12#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4); 262#L557-1 assume !(gcd_#t~mem11#1 >= gcd_#t~mem12#1);havoc gcd_#t~mem11#1;havoc gcd_#t~mem12#1; 260#L557-4 call gcd_#t~mem15#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);call write~int(gcd_#t~mem15#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);havoc gcd_#t~mem15#1;call gcd_#t~mem16#1 := read~int(gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);call write~int(gcd_#t~mem16#1, gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);havoc gcd_#t~mem16#1; 254#L555-2 [2021-12-15 17:03:12,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:12,989 INFO L85 PathProgramCache]: Analyzing trace with hash 28695751, now seen corresponding path program 1 times [2021-12-15 17:03:12,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:12,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283023958] [2021-12-15 17:03:12,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:12,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:13,002 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:13,012 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:13,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:13,012 INFO L85 PathProgramCache]: Analyzing trace with hash 46919933, now seen corresponding path program 2 times [2021-12-15 17:03:13,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:13,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787684312] [2021-12-15 17:03:13,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:13,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:13,021 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:13,027 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:13,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:13,028 INFO L85 PathProgramCache]: Analyzing trace with hash -2042683401, now seen corresponding path program 1 times [2021-12-15 17:03:13,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:13,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158654770] [2021-12-15 17:03:13,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:13,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:13,043 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:13,056 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:13,653 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:03:13,653 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:03:13,653 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:03:13,653 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:03:13,653 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:03:13,653 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:13,653 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:03:13,653 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:03:13,653 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd1-alloca.i_Iteration3_Lasso [2021-12-15 17:03:13,653 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:03:13,653 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:03:13,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:13,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:14,272 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:03:14,272 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:03:14,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:14,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:14,273 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:14,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-15 17:03:14,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:14,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:14,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:14,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:14,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:14,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:14,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:14,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:14,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:14,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-15 17:03:14,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:14,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:14,314 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:14,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-15 17:03:14,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:14,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:14,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:14,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:14,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:14,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:14,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:14,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:14,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:14,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-15 17:03:14,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:14,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:14,344 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:14,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-15 17:03:14,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:14,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:14,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:14,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:14,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:14,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:14,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:14,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:14,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:14,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-15 17:03:14,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:14,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:14,382 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:14,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-15 17:03:14,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:14,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:14,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:14,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:14,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:14,391 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:14,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:14,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:14,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:14,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:14,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:14,435 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:14,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-15 17:03:14,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:14,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:14,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:14,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:14,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:14,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:14,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:14,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:14,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-15 17:03:14,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:14,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:14,477 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:14,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-15 17:03:14,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:14,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:14,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:14,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:14,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:14,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:14,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:14,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:14,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:14,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-15 17:03:14,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:14,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:14,517 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:14,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-15 17:03:14,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:14,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:14,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:14,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:14,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:14,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:14,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:14,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:14,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-15 17:03:14,548 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:14,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:14,549 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:14,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-15 17:03:14,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:14,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:14,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:14,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:14,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:14,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:14,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:14,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:14,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:14,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-15 17:03:14,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:14,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:14,592 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:14,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-15 17:03:14,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:14,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:14,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:14,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:14,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:14,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:14,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:14,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:14,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:14,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-15 17:03:14,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:14,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:14,632 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:14,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-15 17:03:14,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:14,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:14,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:14,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:14,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:14,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:14,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:14,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:14,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:14,683 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:14,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:14,684 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:14,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-15 17:03:14,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:14,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:14,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:14,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:14,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:14,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:14,699 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:14,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:14,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:14,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:14,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:14,733 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:14,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-15 17:03:14,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:14,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:14,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:14,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:14,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:14,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:14,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:14,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:14,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:14,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:14,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:14,771 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:14,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-15 17:03:14,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:14,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:14,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:14,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:14,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:14,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:14,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:14,791 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:03:14,820 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-12-15 17:03:14,820 INFO L444 ModelExtractionUtils]: 11 out of 31 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-12-15 17:03:14,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:14,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:14,822 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:14,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-15 17:03:14,823 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:03:14,831 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-15 17:03:14,831 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:03:14,831 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_gcd_~x_ref~0#1.base) ULTIMATE.start_gcd_~x_ref~0#1.offset)_2, ULTIMATE.start_main_~y~0#1) = -1*v_rep(select (select #memory_int ULTIMATE.start_gcd_~x_ref~0#1.base) ULTIMATE.start_gcd_~x_ref~0#1.offset)_2 - 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [-1*v_rep(select (select #memory_int ULTIMATE.start_gcd_~y_ref~0#1.base) ULTIMATE.start_gcd_~y_ref~0#1.offset)_2 - 1*ULTIMATE.start_main_~y~0#1 >= 0] [2021-12-15 17:03:14,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:14,941 INFO L297 tatePredicateManager]: 24 out of 25 supporting invariants were superfluous and have been removed [2021-12-15 17:03:14,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:14,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-15 17:03:14,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:03:15,039 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-12-15 17:03:15,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2021-12-15 17:03:15,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:15,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-12-15 17:03:15,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-12-15 17:03:15,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-12-15 17:03:15,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2021-12-15 17:03:15,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-12-15 17:03:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:15,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-15 17:03:15,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:03:15,203 INFO L354 Elim1Store]: treesize reduction 40, result has 46.7 percent of original size [2021-12-15 17:03:15,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 53 [2021-12-15 17:03:15,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:03:15,395 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2021-12-15 17:03:15,395 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 25 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:15,484 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 25 transitions. cyclomatic complexity: 9. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 46 transitions. Complement of second has 13 states. [2021-12-15 17:03:15,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 4 non-accepting loop states 2 accepting loop states [2021-12-15 17:03:15,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:15,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 23 transitions. [2021-12-15 17:03:15,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 23 transitions. Stem has 5 letters. Loop has 5 letters. [2021-12-15 17:03:15,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:15,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 23 transitions. Stem has 10 letters. Loop has 5 letters. [2021-12-15 17:03:15,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:15,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 23 transitions. Stem has 5 letters. Loop has 10 letters. [2021-12-15 17:03:15,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:15,487 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 46 transitions. [2021-12-15 17:03:15,491 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-15 17:03:15,494 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 35 states and 45 transitions. [2021-12-15 17:03:15,495 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-12-15 17:03:15,496 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-12-15 17:03:15,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 45 transitions. [2021-12-15 17:03:15,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:03:15,496 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 45 transitions. [2021-12-15 17:03:15,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 45 transitions. [2021-12-15 17:03:15,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2021-12-15 17:03:15,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3) internal successors, (39), 29 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:15,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2021-12-15 17:03:15,502 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2021-12-15 17:03:15,502 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2021-12-15 17:03:15,502 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-15 17:03:15,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 39 transitions. [2021-12-15 17:03:15,503 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-15 17:03:15,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:03:15,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:03:15,503 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-15 17:03:15,504 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-15 17:03:15,504 INFO L791 eck$LassoCheckResult]: Stem: 482#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 483#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;main_~y~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume { :begin_inline_gcd } true;gcd_#in~x#1, gcd_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc gcd_#res#1;havoc gcd_#t~malloc2#1.base, gcd_#t~malloc2#1.offset, gcd_#t~malloc3#1.base, gcd_#t~malloc3#1.offset, gcd_#t~malloc4#1.base, gcd_#t~malloc4#1.offset, gcd_#t~mem5#1, gcd_#t~mem6#1, gcd_#t~mem7#1, gcd_#t~mem8#1, gcd_#t~mem10#1, gcd_#t~mem13#1, gcd_#t~mem14#1, gcd_#t~mem11#1, gcd_#t~mem12#1, gcd_#t~mem15#1, gcd_#t~mem16#1, gcd_#t~mem9#1, gcd_#t~mem17#1, gcd_~x#1, gcd_~y#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, gcd_~r~0#1.base, gcd_~r~0#1.offset;gcd_~x#1 := gcd_#in~x#1;gcd_~y#1 := gcd_#in~y#1;call gcd_#t~malloc2#1.base, gcd_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset := gcd_#t~malloc2#1.base, gcd_#t~malloc2#1.offset;call gcd_#t~malloc3#1.base, gcd_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset := gcd_#t~malloc3#1.base, gcd_#t~malloc3#1.offset;call gcd_#t~malloc4#1.base, gcd_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);gcd_~r~0#1.base, gcd_~r~0#1.offset := gcd_#t~malloc4#1.base, gcd_#t~malloc4#1.offset;call write~int(gcd_~x#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);call write~int(gcd_~y#1, gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);call gcd_#t~mem5#1 := read~int(gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4); 479#L553 assume gcd_#t~mem5#1 < 0;havoc gcd_#t~mem5#1;call gcd_#t~mem6#1 := read~int(gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);call write~int(-gcd_#t~mem6#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);havoc gcd_#t~mem6#1; 480#L553-2 call gcd_#t~mem7#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4); 484#L554 assume gcd_#t~mem7#1 < 0;havoc gcd_#t~mem7#1;call gcd_#t~mem8#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);call write~int(-gcd_#t~mem8#1, gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);havoc gcd_#t~mem8#1; 492#L555-2 [2021-12-15 17:03:15,504 INFO L793 eck$LassoCheckResult]: Loop: 492#L555-2 call gcd_#t~mem9#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4); 497#L555 assume !!(gcd_#t~mem9#1 > 0);havoc gcd_#t~mem9#1;call gcd_#t~mem10#1 := read~int(gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);call write~int(gcd_#t~mem10#1, gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);havoc gcd_#t~mem10#1; 495#L557-3 call gcd_#t~mem11#1 := read~int(gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);call gcd_#t~mem12#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4); 494#L557-1 assume !(gcd_#t~mem11#1 >= gcd_#t~mem12#1);havoc gcd_#t~mem11#1;havoc gcd_#t~mem12#1; 491#L557-4 call gcd_#t~mem15#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);call write~int(gcd_#t~mem15#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);havoc gcd_#t~mem15#1;call gcd_#t~mem16#1 := read~int(gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);call write~int(gcd_#t~mem16#1, gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);havoc gcd_#t~mem16#1; 492#L555-2 [2021-12-15 17:03:15,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:15,504 INFO L85 PathProgramCache]: Analyzing trace with hash 28693829, now seen corresponding path program 1 times [2021-12-15 17:03:15,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:15,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640244998] [2021-12-15 17:03:15,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:15,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:15,553 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:15,566 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:15,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:15,570 INFO L85 PathProgramCache]: Analyzing trace with hash 46919933, now seen corresponding path program 3 times [2021-12-15 17:03:15,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:15,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732797928] [2021-12-15 17:03:15,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:15,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:15,581 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:15,587 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:15,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:15,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1233336775, now seen corresponding path program 1 times [2021-12-15 17:03:15,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:15,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943350447] [2021-12-15 17:03:15,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:15,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:15,601 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:15,613 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:16,375 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:03:16,376 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:03:16,376 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:03:16,376 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:03:16,376 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:03:16,376 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:16,376 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:03:16,376 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:03:16,376 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd1-alloca.i_Iteration4_Lasso [2021-12-15 17:03:16,376 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:03:16,376 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:03:16,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:16,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:17,071 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:03:17,071 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:03:17,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:17,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:17,072 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:17,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-15 17:03:17,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:17,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:17,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:17,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:17,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:17,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:17,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:17,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:17,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:17,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-15 17:03:17,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:17,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:17,112 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:17,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-15 17:03:17,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:17,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:17,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:17,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:17,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:17,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:17,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:17,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:17,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:17,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-15 17:03:17,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:17,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:17,151 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:17,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-15 17:03:17,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:17,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:17,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:17,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:17,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:17,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:17,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:17,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:17,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:17,182 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-15 17:03:17,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:17,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:17,184 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:17,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-15 17:03:17,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:17,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:17,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:17,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:17,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:17,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:17,193 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:17,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:17,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-15 17:03:17,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:17,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:17,225 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:17,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-15 17:03:17,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:17,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:17,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:17,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:17,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:17,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:17,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:17,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:17,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:17,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:17,268 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:17,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:17,269 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:17,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-15 17:03:17,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:17,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:17,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:17,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:17,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:17,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:17,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:17,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:17,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:17,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-15 17:03:17,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:17,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:17,311 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:17,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-15 17:03:17,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:17,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:17,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:17,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:17,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:17,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:17,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:17,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:17,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:17,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-15 17:03:17,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:17,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:17,369 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:17,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-15 17:03:17,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:17,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:17,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:17,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:17,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:17,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:17,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:17,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:17,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-15 17:03:17,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:17,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:17,431 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:17,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-15 17:03:17,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:17,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:17,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:17,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:17,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:17,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:17,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:17,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:17,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:17,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-15 17:03:17,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:17,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:17,466 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:17,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-15 17:03:17,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:17,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:17,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:17,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:17,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:17,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:17,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:17,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:17,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:17,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-15 17:03:17,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:17,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:17,505 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:17,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-15 17:03:17,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:17,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:17,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:17,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:17,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:17,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:17,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:17,534 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:03:17,542 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-12-15 17:03:17,542 INFO L444 ModelExtractionUtils]: 25 out of 31 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-12-15 17:03:17,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:17,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:17,543 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:17,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-15 17:03:17,545 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:03:17,566 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:03:17,566 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:03:17,566 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_gcd_~y_ref~0#1.base) ULTIMATE.start_gcd_~y_ref~0#1.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_gcd_~y_ref~0#1.base) ULTIMATE.start_gcd_~y_ref~0#1.offset)_3 Supporting invariants [] [2021-12-15 17:03:17,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:17,627 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2021-12-15 17:03:17,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:17,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-15 17:03:17,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:03:17,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:17,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2021-12-15 17:03:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:17,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-15 17:03:17,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:03:17,770 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-12-15 17:03:17,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 29 [2021-12-15 17:03:17,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:03:17,863 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2021-12-15 17:03:17,863 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 39 transitions. cyclomatic complexity: 13 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:17,986 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 39 transitions. cyclomatic complexity: 13. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 62 transitions. Complement of second has 15 states. [2021-12-15 17:03:17,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2021-12-15 17:03:17,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:17,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 22 transitions. [2021-12-15 17:03:17,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 5 letters. Loop has 5 letters. [2021-12-15 17:03:17,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:17,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 10 letters. Loop has 5 letters. [2021-12-15 17:03:17,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:17,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 5 letters. Loop has 10 letters. [2021-12-15 17:03:17,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:17,988 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 62 transitions. [2021-12-15 17:03:17,989 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-15 17:03:17,989 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 41 states and 55 transitions. [2021-12-15 17:03:17,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-12-15 17:03:17,990 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2021-12-15 17:03:17,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 55 transitions. [2021-12-15 17:03:17,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:03:17,990 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 55 transitions. [2021-12-15 17:03:17,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 55 transitions. [2021-12-15 17:03:17,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 25. [2021-12-15 17:03:17,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.4) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:17,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 35 transitions. [2021-12-15 17:03:17,992 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 35 transitions. [2021-12-15 17:03:17,992 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 35 transitions. [2021-12-15 17:03:17,992 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-15 17:03:17,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 35 transitions. [2021-12-15 17:03:17,993 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:03:17,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:03:17,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:03:17,993 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:03:17,993 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:03:17,993 INFO L791 eck$LassoCheckResult]: Stem: 731#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 732#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;main_~y~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume { :begin_inline_gcd } true;gcd_#in~x#1, gcd_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc gcd_#res#1;havoc gcd_#t~malloc2#1.base, gcd_#t~malloc2#1.offset, gcd_#t~malloc3#1.base, gcd_#t~malloc3#1.offset, gcd_#t~malloc4#1.base, gcd_#t~malloc4#1.offset, gcd_#t~mem5#1, gcd_#t~mem6#1, gcd_#t~mem7#1, gcd_#t~mem8#1, gcd_#t~mem10#1, gcd_#t~mem13#1, gcd_#t~mem14#1, gcd_#t~mem11#1, gcd_#t~mem12#1, gcd_#t~mem15#1, gcd_#t~mem16#1, gcd_#t~mem9#1, gcd_#t~mem17#1, gcd_~x#1, gcd_~y#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, gcd_~r~0#1.base, gcd_~r~0#1.offset;gcd_~x#1 := gcd_#in~x#1;gcd_~y#1 := gcd_#in~y#1;call gcd_#t~malloc2#1.base, gcd_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset := gcd_#t~malloc2#1.base, gcd_#t~malloc2#1.offset;call gcd_#t~malloc3#1.base, gcd_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset := gcd_#t~malloc3#1.base, gcd_#t~malloc3#1.offset;call gcd_#t~malloc4#1.base, gcd_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);gcd_~r~0#1.base, gcd_~r~0#1.offset := gcd_#t~malloc4#1.base, gcd_#t~malloc4#1.offset;call write~int(gcd_~x#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);call write~int(gcd_~y#1, gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);call gcd_#t~mem5#1 := read~int(gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4); 724#L553 assume gcd_#t~mem5#1 < 0;havoc gcd_#t~mem5#1;call gcd_#t~mem6#1 := read~int(gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);call write~int(-gcd_#t~mem6#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);havoc gcd_#t~mem6#1; 725#L553-2 call gcd_#t~mem7#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4); 741#L554 assume !(gcd_#t~mem7#1 < 0);havoc gcd_#t~mem7#1; 734#L555-2 call gcd_#t~mem9#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4); 727#L555 assume !!(gcd_#t~mem9#1 > 0);havoc gcd_#t~mem9#1;call gcd_#t~mem10#1 := read~int(gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);call write~int(gcd_#t~mem10#1, gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);havoc gcd_#t~mem10#1; 728#L557-3 [2021-12-15 17:03:17,993 INFO L793 eck$LassoCheckResult]: Loop: 728#L557-3 call gcd_#t~mem11#1 := read~int(gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);call gcd_#t~mem12#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4); 737#L557-1 assume !!(gcd_#t~mem11#1 >= gcd_#t~mem12#1);havoc gcd_#t~mem11#1;havoc gcd_#t~mem12#1;call gcd_#t~mem13#1 := read~int(gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);call gcd_#t~mem14#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);call write~int(gcd_#t~mem13#1 - gcd_#t~mem14#1, gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);havoc gcd_#t~mem13#1;havoc gcd_#t~mem14#1; 728#L557-3 [2021-12-15 17:03:17,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:17,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1804968428, now seen corresponding path program 1 times [2021-12-15 17:03:17,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:17,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228939287] [2021-12-15 17:03:17,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:17,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:18,006 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:18,013 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:18,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:18,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 1 times [2021-12-15 17:03:18,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:18,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961185160] [2021-12-15 17:03:18,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:18,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:18,018 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:18,022 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:18,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:18,022 INFO L85 PathProgramCache]: Analyzing trace with hash -592127343, now seen corresponding path program 1 times [2021-12-15 17:03:18,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:18,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062408965] [2021-12-15 17:03:18,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:18,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:18,032 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:18,041 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:18,731 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:03:18,732 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:03:18,732 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:03:18,732 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:03:18,732 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:03:18,732 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:18,732 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:03:18,732 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:03:18,732 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd1-alloca.i_Iteration5_Lasso [2021-12-15 17:03:18,732 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:03:18,732 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:03:18,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:18,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:18,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:18,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:18,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:18,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:18,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:18,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:18,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:18,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:18,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:18,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:18,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:18,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:18,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:19,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:19,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:19,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:19,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:19,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:19,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:19,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:19,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:19,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:19,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:19,316 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:03:19,316 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:03:19,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:19,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:19,317 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:19,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-15 17:03:19,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:19,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:19,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:19,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:19,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:19,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:19,327 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:19,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:19,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-15 17:03:19,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:19,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:19,357 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:19,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-15 17:03:19,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:19,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:19,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:19,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:19,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:19,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:19,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:19,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:19,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:19,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:19,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:19,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:19,385 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:19,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-15 17:03:19,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:19,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:19,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:19,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:19,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:19,394 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:19,394 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:19,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:19,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-15 17:03:19,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:19,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:19,424 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:19,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-15 17:03:19,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:19,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:19,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:19,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:19,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:19,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:19,434 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:19,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:19,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:19,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:19,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:19,467 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:19,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-15 17:03:19,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:19,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:19,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:19,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:19,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:19,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:19,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:19,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:19,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:19,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:19,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:19,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:19,513 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:19,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-15 17:03:19,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:19,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:19,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:19,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:19,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:19,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:19,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:19,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:19,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:19,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:19,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:19,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:19,552 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:19,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-15 17:03:19,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:19,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:19,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:19,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:19,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:19,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:19,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:19,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:19,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:19,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:19,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:19,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:19,587 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:19,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-15 17:03:19,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:19,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:19,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:19,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:19,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:19,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:19,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:19,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:19,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:19,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:19,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:19,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:19,615 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:19,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-15 17:03:19,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:19,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:19,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:19,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:19,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:19,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:19,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:19,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:19,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:19,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:19,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:19,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:19,642 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:19,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:19,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:19,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:19,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:19,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:19,663 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:19,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:19,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-15 17:03:19,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:19,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:19,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:19,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:19,692 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:19,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-15 17:03:19,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:19,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:19,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:19,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:19,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:19,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:19,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:19,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:19,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:19,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:19,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:19,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:19,733 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:19,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-15 17:03:19,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:19,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:19,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:19,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:19,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:19,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:19,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:19,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:19,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:19,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:19,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:19,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:19,774 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:19,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-15 17:03:19,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:19,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:19,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:19,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:19,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:19,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:19,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:19,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:19,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:19,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:19,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:19,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:19,814 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:19,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-15 17:03:19,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:19,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:19,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:19,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:19,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:19,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:19,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:19,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:19,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:19,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:19,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:19,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:19,841 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:19,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-15 17:03:19,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:19,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:19,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:19,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:19,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:19,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:19,853 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:19,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:19,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:19,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:19,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:19,886 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:19,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-15 17:03:19,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:19,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:19,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:19,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:19,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:19,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:19,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:19,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:19,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:19,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:19,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:19,928 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:19,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-15 17:03:19,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:19,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:19,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:19,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:19,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:19,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:19,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:19,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:19,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:19,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:19,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:19,959 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:19,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-15 17:03:19,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:19,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:19,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:19,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:19,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:19,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:19,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:19,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:20,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:20,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:20,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:20,002 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:20,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-15 17:03:20,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:20,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:20,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:20,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:20,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:20,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:20,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:20,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:20,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:20,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:20,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:20,041 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:20,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-15 17:03:20,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:20,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:20,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:20,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:20,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:20,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:20,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:20,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:20,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:20,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:20,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:20,071 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:20,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-15 17:03:20,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:20,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:20,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:20,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:20,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:20,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:20,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:20,092 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:03:20,101 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-15 17:03:20,101 INFO L444 ModelExtractionUtils]: 24 out of 31 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-15 17:03:20,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:20,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:20,102 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:20,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-15 17:03:20,104 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:03:20,112 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-15 17:03:20,112 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:03:20,113 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_gcd_~r~0#1.base) ULTIMATE.start_gcd_~r~0#1.offset)_4, v_rep(select (select #memory_int ULTIMATE.start_gcd_~y_ref~0#1.base) ULTIMATE.start_gcd_~y_ref~0#1.offset)_4) = 2*v_rep(select (select #memory_int ULTIMATE.start_gcd_~r~0#1.base) ULTIMATE.start_gcd_~r~0#1.offset)_4 - 2*v_rep(select (select #memory_int ULTIMATE.start_gcd_~y_ref~0#1.base) ULTIMATE.start_gcd_~y_ref~0#1.offset)_4 + 1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_gcd_~y_ref~0#1.base) ULTIMATE.start_gcd_~y_ref~0#1.offset)_4 - 1 >= 0] [2021-12-15 17:03:20,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:20,194 INFO L297 tatePredicateManager]: 18 out of 21 supporting invariants were superfluous and have been removed [2021-12-15 17:03:20,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:20,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 30 conjunts are in the unsatisfiable core [2021-12-15 17:03:20,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:03:20,262 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-12-15 17:03:20,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2021-12-15 17:03:20,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-12-15 17:03:20,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-12-15 17:03:20,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-12-15 17:03:20,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2021-12-15 17:03:20,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-15 17:03:20,307 INFO L354 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2021-12-15 17:03:20,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 34 [2021-12-15 17:03:20,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-15 17:03:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:20,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-15 17:03:20,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:03:20,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:03:20,475 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-12-15 17:03:20,476 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 35 transitions. cyclomatic complexity: 13 Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:20,502 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 35 transitions. cyclomatic complexity: 13. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 44 transitions. Complement of second has 4 states. [2021-12-15 17:03:20,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-15 17:03:20,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:20,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2021-12-15 17:03:20,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-15 17:03:20,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:20,504 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-15 17:03:20,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:20,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-15 17:03:20,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:03:20,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 94 [2021-12-15 17:03:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:20,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-15 17:03:20,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:03:20,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:03:20,647 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-15 17:03:20,647 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 35 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:20,679 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 35 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 58 transitions. Complement of second has 9 states. [2021-12-15 17:03:20,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-15 17:03:20,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:20,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12 transitions. [2021-12-15 17:03:20,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-15 17:03:20,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:20,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2021-12-15 17:03:20,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:20,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2021-12-15 17:03:20,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:20,681 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 58 transitions. [2021-12-15 17:03:20,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:03:20,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 37 states and 46 transitions. [2021-12-15 17:03:20,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-12-15 17:03:20,682 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-12-15 17:03:20,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 46 transitions. [2021-12-15 17:03:20,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:03:20,682 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 46 transitions. [2021-12-15 17:03:20,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 46 transitions. [2021-12-15 17:03:20,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 31. [2021-12-15 17:03:20,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 30 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:20,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2021-12-15 17:03:20,701 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-12-15 17:03:20,701 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-12-15 17:03:20,701 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-15 17:03:20,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2021-12-15 17:03:20,701 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:03:20,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:03:20,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:03:20,702 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:03:20,702 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:03:20,702 INFO L791 eck$LassoCheckResult]: Stem: 1019#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1020#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1;main_~y~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume { :begin_inline_gcd } true;gcd_#in~x#1, gcd_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc gcd_#res#1;havoc gcd_#t~malloc2#1.base, gcd_#t~malloc2#1.offset, gcd_#t~malloc3#1.base, gcd_#t~malloc3#1.offset, gcd_#t~malloc4#1.base, gcd_#t~malloc4#1.offset, gcd_#t~mem5#1, gcd_#t~mem6#1, gcd_#t~mem7#1, gcd_#t~mem8#1, gcd_#t~mem10#1, gcd_#t~mem13#1, gcd_#t~mem14#1, gcd_#t~mem11#1, gcd_#t~mem12#1, gcd_#t~mem15#1, gcd_#t~mem16#1, gcd_#t~mem9#1, gcd_#t~mem17#1, gcd_~x#1, gcd_~y#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, gcd_~r~0#1.base, gcd_~r~0#1.offset;gcd_~x#1 := gcd_#in~x#1;gcd_~y#1 := gcd_#in~y#1;call gcd_#t~malloc2#1.base, gcd_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset := gcd_#t~malloc2#1.base, gcd_#t~malloc2#1.offset;call gcd_#t~malloc3#1.base, gcd_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset := gcd_#t~malloc3#1.base, gcd_#t~malloc3#1.offset;call gcd_#t~malloc4#1.base, gcd_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);gcd_~r~0#1.base, gcd_~r~0#1.offset := gcd_#t~malloc4#1.base, gcd_#t~malloc4#1.offset;call write~int(gcd_~x#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);call write~int(gcd_~y#1, gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);call gcd_#t~mem5#1 := read~int(gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4); 1016#L553 assume gcd_#t~mem5#1 < 0;havoc gcd_#t~mem5#1;call gcd_#t~mem6#1 := read~int(gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);call write~int(-gcd_#t~mem6#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);havoc gcd_#t~mem6#1; 1017#L553-2 call gcd_#t~mem7#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4); 1040#L554 assume !(gcd_#t~mem7#1 < 0);havoc gcd_#t~mem7#1; 1033#L555-2 call gcd_#t~mem9#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4); 1038#L555 assume !!(gcd_#t~mem9#1 > 0);havoc gcd_#t~mem9#1;call gcd_#t~mem10#1 := read~int(gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);call write~int(gcd_#t~mem10#1, gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);havoc gcd_#t~mem10#1; 1037#L557-3 call gcd_#t~mem11#1 := read~int(gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);call gcd_#t~mem12#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4); 1034#L557-1 assume !(gcd_#t~mem11#1 >= gcd_#t~mem12#1);havoc gcd_#t~mem11#1;havoc gcd_#t~mem12#1; 1035#L557-4 call gcd_#t~mem15#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);call write~int(gcd_#t~mem15#1, gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);havoc gcd_#t~mem15#1;call gcd_#t~mem16#1 := read~int(gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);call write~int(gcd_#t~mem16#1, gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);havoc gcd_#t~mem16#1; 1024#L555-2 call gcd_#t~mem9#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4); 1012#L555 assume !!(gcd_#t~mem9#1 > 0);havoc gcd_#t~mem9#1;call gcd_#t~mem10#1 := read~int(gcd_~x_ref~0#1.base, gcd_~x_ref~0#1.offset, 4);call write~int(gcd_#t~mem10#1, gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);havoc gcd_#t~mem10#1; 1013#L557-3 [2021-12-15 17:03:20,702 INFO L793 eck$LassoCheckResult]: Loop: 1013#L557-3 call gcd_#t~mem11#1 := read~int(gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);call gcd_#t~mem12#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4); 1026#L557-1 assume !!(gcd_#t~mem11#1 >= gcd_#t~mem12#1);havoc gcd_#t~mem11#1;havoc gcd_#t~mem12#1;call gcd_#t~mem13#1 := read~int(gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);call gcd_#t~mem14#1 := read~int(gcd_~y_ref~0#1.base, gcd_~y_ref~0#1.offset, 4);call write~int(gcd_#t~mem13#1 - gcd_#t~mem14#1, gcd_~r~0#1.base, gcd_~r~0#1.offset, 4);havoc gcd_#t~mem13#1;havoc gcd_#t~mem14#1; 1013#L557-3 [2021-12-15 17:03:20,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:20,703 INFO L85 PathProgramCache]: Analyzing trace with hash -635013092, now seen corresponding path program 1 times [2021-12-15 17:03:20,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:20,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048184428] [2021-12-15 17:03:20,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:20,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:20,719 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:20,730 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:20,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:20,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 2 times [2021-12-15 17:03:20,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:20,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191854462] [2021-12-15 17:03:20,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:20,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:20,734 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:20,737 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:20,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:20,737 INFO L85 PathProgramCache]: Analyzing trace with hash -362224447, now seen corresponding path program 1 times [2021-12-15 17:03:20,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:20,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363064900] [2021-12-15 17:03:20,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:20,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:20,749 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:20,761 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:20,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:22,365 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:03:22,366 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:03:22,366 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:03:22,366 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:03:22,366 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:03:22,366 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:22,366 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:03:22,366 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:03:22,366 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd1-alloca.i_Iteration6_Lasso [2021-12-15 17:03:22,366 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:03:22,366 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:03:22,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:22,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:03:23,028 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:03:23,029 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:03:23,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:23,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:23,030 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:23,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-15 17:03:23,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:23,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:23,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:23,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:23,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:23,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:23,038 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:23,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:23,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:23,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:23,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:23,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:23,070 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:23,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-15 17:03:23,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:23,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:23,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:23,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:23,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:23,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:23,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:23,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:23,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:23,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:23,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:23,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:23,110 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:23,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-15 17:03:23,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:23,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:23,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:23,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:23,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:23,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:23,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:23,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:23,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:23,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:23,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:23,151 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:23,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-15 17:03:23,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:23,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:23,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:23,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:23,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:23,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:23,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:23,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:23,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:23,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:23,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:23,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:23,191 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:23,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-15 17:03:23,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:23,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:23,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:23,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:23,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:23,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:23,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:23,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:23,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:23,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:23,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:23,232 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:23,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-15 17:03:23,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:23,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:23,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:23,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:23,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:23,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:23,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:23,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:23,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:23,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:23,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:23,273 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:23,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-15 17:03:23,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:23,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:23,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:23,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:23,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:23,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:23,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:23,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:23,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:23,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:23,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:23,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:23,309 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:23,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-15 17:03:23,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:23,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:23,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:23,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:23,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:23,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:23,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:23,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:23,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:23,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:23,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:23,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:23,335 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:23,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-15 17:03:23,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:23,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:23,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:23,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:23,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:23,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:23,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:23,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:23,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:23,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:23,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:23,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:23,375 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:23,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-15 17:03:23,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:23,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:23,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:23,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:23,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:23,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:23,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:23,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:23,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:23,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:23,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:23,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:23,416 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:23,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-15 17:03:23,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:23,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:23,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:23,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:23,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:23,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:23,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:23,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:23,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:23,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:23,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:23,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:23,452 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:23,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-15 17:03:23,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:23,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:23,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:23,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:23,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:23,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:23,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:23,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:23,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:23,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:23,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:23,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:23,488 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:23,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-12-15 17:03:23,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:23,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:23,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:23,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:23,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:23,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:23,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:23,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:23,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:23,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:23,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:23,526 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:23,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-12-15 17:03:23,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:23,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:23,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:03:23,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:23,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:23,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:23,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:03:23,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:03:23,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:03:23,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:23,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:23,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:23,562 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:23,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-12-15 17:03:23,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:03:23,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:03:23,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:03:23,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:03:23,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:03:23,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:03:23,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:03:23,585 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:03:23,601 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-12-15 17:03:23,601 INFO L444 ModelExtractionUtils]: 10 out of 31 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-12-15 17:03:23,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:23,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:23,602 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:23,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-12-15 17:03:23,604 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:03:23,622 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-15 17:03:23,622 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:03:23,622 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_gcd_~r~0#1.base) ULTIMATE.start_gcd_~r~0#1.offset)_5) = 1*v_rep(select (select #memory_int ULTIMATE.start_gcd_~r~0#1.base) ULTIMATE.start_gcd_~r~0#1.offset)_5 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_gcd_~y_ref~0#1.base) ULTIMATE.start_gcd_~y_ref~0#1.offset)_5 - 1 >= 0] [2021-12-15 17:03:23,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:23,725 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-12-15 17:03:23,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:23,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-15 17:03:23,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:03:23,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-15 17:03:23,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-12-15 17:03:23,991 INFO L354 Elim1Store]: treesize reduction 88, result has 31.8 percent of original size [2021-12-15 17:03:23,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 80 [2021-12-15 17:03:23,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-12-15 17:03:24,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 17 [2021-12-15 17:03:24,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-12-15 17:03:24,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2021-12-15 17:03:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:24,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-15 17:03:24,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:03:24,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:03:24,138 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2021-12-15 17:03:24,138 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 13 Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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) [2021-12-15 17:03:24,208 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 13. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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) Result 41 states and 51 transitions. Complement of second has 9 states. [2021-12-15 17:03:24,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-15 17:03:24,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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) [2021-12-15 17:03:24,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12 transitions. [2021-12-15 17:03:24,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 12 letters. Loop has 2 letters. [2021-12-15 17:03:24,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:24,209 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-15 17:03:24,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:24,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-15 17:03:24,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:03:24,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-15 17:03:24,395 INFO L354 Elim1Store]: treesize reduction 88, result has 31.8 percent of original size [2021-12-15 17:03:24,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 80 [2021-12-15 17:03:24,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2021-12-15 17:03:24,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-12-15 17:03:24,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-12-15 17:03:24,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2021-12-15 17:03:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:24,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-15 17:03:24,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:03:24,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:03:24,558 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2021-12-15 17:03:24,558 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 13 Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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) [2021-12-15 17:03:24,628 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 13. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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) Result 41 states and 51 transitions. Complement of second has 9 states. [2021-12-15 17:03:24,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-15 17:03:24,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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) [2021-12-15 17:03:24,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12 transitions. [2021-12-15 17:03:24,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 12 letters. Loop has 2 letters. [2021-12-15 17:03:24,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:24,630 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-15 17:03:24,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:24,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-15 17:03:24,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:03:24,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-15 17:03:24,831 INFO L354 Elim1Store]: treesize reduction 88, result has 31.8 percent of original size [2021-12-15 17:03:24,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 80 [2021-12-15 17:03:24,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-12-15 17:03:24,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 17 [2021-12-15 17:03:24,958 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-15 17:03:24,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 20 [2021-12-15 17:03:24,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2021-12-15 17:03:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:25,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-15 17:03:25,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:03:25,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:03:25,048 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2021-12-15 17:03:25,048 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 13 Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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) [2021-12-15 17:03:25,218 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 13. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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) Result 40 states and 52 transitions. Complement of second has 8 states. [2021-12-15 17:03:25,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-15 17:03:25,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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) [2021-12-15 17:03:25,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 17 transitions. [2021-12-15 17:03:25,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 12 letters. Loop has 2 letters. [2021-12-15 17:03:25,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:25,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 14 letters. Loop has 2 letters. [2021-12-15 17:03:25,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:25,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 12 letters. Loop has 4 letters. [2021-12-15 17:03:25,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:03:25,221 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 52 transitions. [2021-12-15 17:03:25,222 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:03:25,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2021-12-15 17:03:25,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-15 17:03:25,222 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-15 17:03:25,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-15 17:03:25,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:03:25,222 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:03:25,222 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:03:25,222 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:03:25,222 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-15 17:03:25,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-15 17:03:25,222 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:03:25,223 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-15 17:03:25,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.12 05:03:25 BoogieIcfgContainer [2021-12-15 17:03:25,228 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-15 17:03:25,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 17:03:25,228 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 17:03:25,228 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 17:03:25,229 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:03:09" (3/4) ... [2021-12-15 17:03:25,231 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-15 17:03:25,231 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 17:03:25,231 INFO L158 Benchmark]: Toolchain (without parser) took 16909.98ms. Allocated memory was 100.7MB in the beginning and 176.2MB in the end (delta: 75.5MB). Free memory was 68.8MB in the beginning and 91.5MB in the end (delta: -22.7MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2021-12-15 17:03:25,231 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 83.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:03:25,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.83ms. Allocated memory is still 100.7MB. Free memory was 68.8MB in the beginning and 71.3MB in the end (delta: -2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 17:03:25,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.55ms. Allocated memory is still 100.7MB. Free memory was 71.3MB in the beginning and 69.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:03:25,232 INFO L158 Benchmark]: Boogie Preprocessor took 39.93ms. Allocated memory is still 100.7MB. Free memory was 69.7MB in the beginning and 68.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:03:25,232 INFO L158 Benchmark]: RCFGBuilder took 320.03ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 56.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 17:03:25,233 INFO L158 Benchmark]: BuchiAutomizer took 16040.52ms. Allocated memory was 100.7MB in the beginning and 176.2MB in the end (delta: 75.5MB). Free memory was 56.6MB in the beginning and 91.5MB in the end (delta: -34.9MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2021-12-15 17:03:25,233 INFO L158 Benchmark]: Witness Printer took 2.72ms. Allocated memory is still 176.2MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:03:25,234 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 83.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.83ms. Allocated memory is still 100.7MB. Free memory was 68.8MB in the beginning and 71.3MB in the end (delta: -2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.55ms. Allocated memory is still 100.7MB. Free memory was 71.3MB in the beginning and 69.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.93ms. Allocated memory is still 100.7MB. Free memory was 69.7MB in the beginning and 68.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.03ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 56.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 16040.52ms. Allocated memory was 100.7MB in the beginning and 176.2MB in the end (delta: 75.5MB). Free memory was 56.6MB in the beginning and 91.5MB in the end (delta: -34.9MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * Witness Printer took 2.72ms. Allocated memory is still 176.2MB. Free memory is still 91.5MB. 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 6 terminating modules (1 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] and consists of 9 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[x_ref][x_ref] + -1 * y and consists of 8 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] and consists of 9 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[r][r] + -2 * unknown-#memory_int-unknown[y_ref][y_ref] + 1 and consists of 6 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[r][r] and consists of 8 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.0s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 12.4s. Construction of modules took 0.1s. Büchi inclusion checks took 3.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 31 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 31 states and ocurred in iteration 5. Nontrivial modules had stage [3, 1, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 120 mSDsluCounter, 108 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 7 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 248 IncrementalHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 71 mSDtfsCounter, 248 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital1781 mio100 ax102 hnf100 lsp95 ukn30 mio100 lsp37 div100 bol100 ite100 ukn100 eq183 hnf88 smp95 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-15 17:03:25,267 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