./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 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/HarrisLalNoriRajamani-2010SAS-Fig1-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 7d44dc9ee297680f321b2cf4dcd79f3ba6ced2470ed6439fc6dd5eb0285efc9c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 19:52:28,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 19:52:28,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 19:52:28,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 19:52:28,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 19:52:28,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 19:52:28,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 19:52:28,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 19:52:28,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 19:52:28,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 19:52:28,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 19:52:28,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 19:52:28,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 19:52:28,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 19:52:28,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 19:52:28,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 19:52:28,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 19:52:28,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 19:52:28,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 19:52:28,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 19:52:28,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 19:52:28,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 19:52:28,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 19:52:28,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 19:52:28,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 19:52:28,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 19:52:28,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 19:52:28,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 19:52:28,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 19:52:28,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 19:52:28,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 19:52:28,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 19:52:28,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 19:52:28,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 19:52:28,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 19:52:28,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 19:52:28,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 19:52:28,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 19:52:28,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 19:52:28,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 19:52:28,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 19:52:28,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-22 19:52:28,288 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 19:52:28,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 19:52:28,289 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 19:52:28,289 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 19:52:28,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 19:52:28,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 19:52:28,290 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 19:52:28,290 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 19:52:28,291 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 19:52:28,291 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 19:52:28,292 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 19:52:28,292 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 19:52:28,292 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 19:52:28,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 19:52:28,293 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 19:52:28,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 19:52:28,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 19:52:28,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 19:52:28,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 19:52:28,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 19:52:28,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 19:52:28,294 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 19:52:28,294 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 19:52:28,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 19:52:28,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 19:52:28,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 19:52:28,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 19:52:28,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 19:52:28,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 19:52:28,298 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 19:52:28,298 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d44dc9ee297680f321b2cf4dcd79f3ba6ced2470ed6439fc6dd5eb0285efc9c [2021-12-22 19:52:28,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 19:52:28,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 19:52:28,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 19:52:28,559 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 19:52:28,563 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 19:52:28,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2021-12-22 19:52:28,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70bb325b1/0948b2aabe5b40ed9c9c6c95988acca9/FLAG053533d21 [2021-12-22 19:52:29,046 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 19:52:29,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2021-12-22 19:52:29,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70bb325b1/0948b2aabe5b40ed9c9c6c95988acca9/FLAG053533d21 [2021-12-22 19:52:29,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70bb325b1/0948b2aabe5b40ed9c9c6c95988acca9 [2021-12-22 19:52:29,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 19:52:29,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 19:52:29,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 19:52:29,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 19:52:29,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 19:52:29,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:52:29" (1/1) ... [2021-12-22 19:52:29,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef8c8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:52:29, skipping insertion in model container [2021-12-22 19:52:29,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:52:29" (1/1) ... [2021-12-22 19:52:29,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 19:52:29,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 19:52:29,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 19:52:29,743 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 19:52:29,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 19:52:29,814 INFO L208 MainTranslator]: Completed translation [2021-12-22 19:52:29,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:52:29 WrapperNode [2021-12-22 19:52:29,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 19:52:29,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 19:52:29,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 19:52:29,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 19:52:29,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:52:29" (1/1) ... [2021-12-22 19:52:29,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:52:29" (1/1) ... [2021-12-22 19:52:29,863 INFO L137 Inliner]: procedures = 111, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 190 [2021-12-22 19:52:29,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 19:52:29,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 19:52:29,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 19:52:29,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 19:52:29,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:52:29" (1/1) ... [2021-12-22 19:52:29,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:52:29" (1/1) ... [2021-12-22 19:52:29,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:52:29" (1/1) ... [2021-12-22 19:52:29,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:52:29" (1/1) ... [2021-12-22 19:52:29,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:52:29" (1/1) ... [2021-12-22 19:52:29,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:52:29" (1/1) ... [2021-12-22 19:52:29,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:52:29" (1/1) ... [2021-12-22 19:52:29,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 19:52:29,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 19:52:29,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 19:52:29,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 19:52:29,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:52:29" (1/1) ... [2021-12-22 19:52:29,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:29,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:29,925 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) [2021-12-22 19:52:29,926 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 [2021-12-22 19:52:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 19:52:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 19:52:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 19:52:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 19:52:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 19:52:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 19:52:30,032 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 19:52:30,033 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 19:52:30,346 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 19:52:30,352 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 19:52:30,353 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-22 19:52:30,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:52:30 BoogieIcfgContainer [2021-12-22 19:52:30,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 19:52:30,355 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 19:52:30,356 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 19:52:30,358 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 19:52:30,359 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 19:52:30,359 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 07:52:29" (1/3) ... [2021-12-22 19:52:30,360 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7455470e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 07:52:30, skipping insertion in model container [2021-12-22 19:52:30,361 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 19:52:30,361 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:52:29" (2/3) ... [2021-12-22 19:52:30,361 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7455470e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 07:52:30, skipping insertion in model container [2021-12-22 19:52:30,361 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 19:52:30,361 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:52:30" (3/3) ... [2021-12-22 19:52:30,362 INFO L388 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2021-12-22 19:52:30,412 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 19:52:30,413 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 19:52:30,413 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 19:52:30,413 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 19:52:30,413 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 19:52:30,414 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 19:52:30,414 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 19:52:30,414 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 19:52:30,427 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 25 states have (on average 1.6) internal successors, (40), 25 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) [2021-12-22 19:52:30,453 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-12-22 19:52:30,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:52:30,453 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:52:30,458 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-22 19:52:30,458 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-22 19:52:30,458 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-22 19:52:30,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 25 states have (on average 1.6) internal successors, (40), 25 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) [2021-12-22 19:52:30,463 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-12-22 19:52:30,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:52:30,464 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:52:30,464 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-22 19:52:30,464 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-22 19:52:30,470 INFO L791 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1; 10#L578true assume 0 != main_#t~nondet21#1;havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem10#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 22#L558true assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1; 15#L562-2true [2021-12-22 19:52:30,471 INFO L793 eck$LassoCheckResult]: Loop: 15#L562-2true call f_#t~mem8#1 := read~int(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 12#L562true assume !!(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1;call f_#t~mem10#1 := read~int(f_~z~0#1.base, f_~z~0#1.offset, 4);call write~int(2 * f_#t~mem10#1, f_~z~0#1.base, f_~z~0#1.offset, 4);havoc f_#t~mem10#1; 15#L562-2true [2021-12-22 19:52:30,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:52:30,481 INFO L85 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2021-12-22 19:52:30,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:52:30,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881087434] [2021-12-22 19:52:30,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:52:30,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:52:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:30,738 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:52:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:30,802 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:52:30,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:52:30,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1446, now seen corresponding path program 1 times [2021-12-22 19:52:30,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:52:30,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338651811] [2021-12-22 19:52:30,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:52:30,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:52:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:30,831 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:52:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:30,846 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:52:30,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:52:30,850 INFO L85 PathProgramCache]: Analyzing trace with hash 889509773, now seen corresponding path program 1 times [2021-12-22 19:52:30,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:52:30,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240814560] [2021-12-22 19:52:30,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:52:30,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:52:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:52:31,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:52:31,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:52:31,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240814560] [2021-12-22 19:52:31,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240814560] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 19:52:31,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 19:52:31,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 19:52:31,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423886081] [2021-12-22 19:52:31,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 19:52:31,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:52:31,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 19:52:31,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-22 19:52:31,219 INFO L87 Difference]: Start difference. First operand has 26 states, 25 states have (on average 1.6) internal successors, (40), 25 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) Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:52:31,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:52:31,335 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2021-12-22 19:52:31,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 19:52:31,342 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 54 transitions. [2021-12-22 19:52:31,347 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-12-22 19:52:31,352 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 29 states and 38 transitions. [2021-12-22 19:52:31,353 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-12-22 19:52:31,353 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-12-22 19:52:31,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 38 transitions. [2021-12-22 19:52:31,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 19:52:31,354 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2021-12-22 19:52:31,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 38 transitions. [2021-12-22 19:52:31,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 19. [2021-12-22 19:52:31,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 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) [2021-12-22 19:52:31,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2021-12-22 19:52:31,378 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-12-22 19:52:31,379 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-12-22 19:52:31,379 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-22 19:52:31,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2021-12-22 19:52:31,381 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-12-22 19:52:31,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:52:31,381 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:52:31,382 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-22 19:52:31,382 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-22 19:52:31,383 INFO L791 eck$LassoCheckResult]: Stem: 88#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 89#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1; 93#L578 assume 0 != main_#t~nondet21#1;havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem10#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 97#L558 assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1; 98#L562-2 call f_#t~mem8#1 := read~int(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 102#L562 assume !(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1; 101#L567-2 [2021-12-22 19:52:31,384 INFO L793 eck$LassoCheckResult]: Loop: 101#L567-2 call f_#t~mem11#1 := read~int(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 94#L566 assume !f_#t~short13#1; 95#L566-2 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1; 99#L567 assume !(0 != f_#t~nondet14#1);havoc f_#t~nondet14#1;call f_#t~mem19#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);call f_#t~mem20#1 := read~int(f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(f_#t~mem19#1 - f_#t~mem20#1, f_~y~0#1.base, f_~y~0#1.offset, 4);havoc f_#t~mem19#1;havoc f_#t~mem20#1; 101#L567-2 [2021-12-22 19:52:31,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:52:31,384 INFO L85 PathProgramCache]: Analyzing trace with hash 889509771, now seen corresponding path program 1 times [2021-12-22 19:52:31,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:52:31,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170288666] [2021-12-22 19:52:31,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:52:31,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:52:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:31,440 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:52:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:31,460 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:52:31,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:52:31,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1759853, now seen corresponding path program 1 times [2021-12-22 19:52:31,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:52:31,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926325262] [2021-12-22 19:52:31,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:52:31,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:52:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:52:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:52:31,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:52:31,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926325262] [2021-12-22 19:52:31,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926325262] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 19:52:31,497 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 19:52:31,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 19:52:31,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836470960] [2021-12-22 19:52:31,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 19:52:31,498 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-22 19:52:31,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:52:31,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 19:52:31,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 19:52:31,499 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2021-12-22 19:52:31,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:52:31,520 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2021-12-22 19:52:31,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 19:52:31,521 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2021-12-22 19:52:31,521 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-12-22 19:52:31,522 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 19 states and 22 transitions. [2021-12-22 19:52:31,522 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-12-22 19:52:31,522 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-12-22 19:52:31,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 22 transitions. [2021-12-22 19:52:31,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 19:52:31,522 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2021-12-22 19:52:31,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 22 transitions. [2021-12-22 19:52:31,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-12-22 19:52:31,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 states have internal predecessors, (22), 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) [2021-12-22 19:52:31,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2021-12-22 19:52:31,524 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2021-12-22 19:52:31,524 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2021-12-22 19:52:31,524 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-22 19:52:31,524 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 22 transitions. [2021-12-22 19:52:31,525 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-12-22 19:52:31,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:52:31,525 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:52:31,525 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-22 19:52:31,525 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-22 19:52:31,526 INFO L791 eck$LassoCheckResult]: Stem: 132#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 133#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1; 138#L578 assume 0 != main_#t~nondet21#1;havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem10#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 143#L558 assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1; 144#L562-2 call f_#t~mem8#1 := read~int(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 148#L562 assume !(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1; 147#L567-2 [2021-12-22 19:52:31,526 INFO L793 eck$LassoCheckResult]: Loop: 147#L567-2 call f_#t~mem11#1 := read~int(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 140#L566 assume f_#t~short13#1;call f_#t~mem12#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0; 141#L566-2 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1; 145#L567 assume !(0 != f_#t~nondet14#1);havoc f_#t~nondet14#1;call f_#t~mem19#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);call f_#t~mem20#1 := read~int(f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(f_#t~mem19#1 - f_#t~mem20#1, f_~y~0#1.base, f_~y~0#1.offset, 4);havoc f_#t~mem19#1;havoc f_#t~mem20#1; 147#L567-2 [2021-12-22 19:52:31,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:52:31,526 INFO L85 PathProgramCache]: Analyzing trace with hash 889509771, now seen corresponding path program 2 times [2021-12-22 19:52:31,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:52:31,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795956847] [2021-12-22 19:52:31,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:52:31,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:52:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:31,559 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:52:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:31,575 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:52:31,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:52:31,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1757931, now seen corresponding path program 1 times [2021-12-22 19:52:31,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:52:31,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678004458] [2021-12-22 19:52:31,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:52:31,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:52:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:31,582 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:52:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:31,587 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:52:31,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:52:31,588 INFO L85 PathProgramCache]: Analyzing trace with hash -260778635, now seen corresponding path program 1 times [2021-12-22 19:52:31,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:52:31,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117798099] [2021-12-22 19:52:31,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:52:31,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:52:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:31,663 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:52:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:31,702 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:52:33,564 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 19:52:33,565 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 19:52:33,565 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 19:52:33,565 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 19:52:33,565 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 19:52:33,565 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:33,565 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 19:52:33,566 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 19:52:33,566 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i_Iteration3_Lasso [2021-12-22 19:52:33,566 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 19:52:33,566 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 19:52:33,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:33,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:34,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:35,014 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 19:52:35,017 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 19:52:35,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,020 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) [2021-12-22 19:52:35,023 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 [2021-12-22 19:52:35,023 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 [2021-12-22 19:52:35,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:52:35,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:52:35,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:52:35,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,054 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 [2021-12-22 19:52:35,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,056 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) [2021-12-22 19:52:35,060 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 [2021-12-22 19:52:35,061 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 [2021-12-22 19:52:35,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:35,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:35,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,120 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 [2021-12-22 19:52:35,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,122 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) [2021-12-22 19:52:35,123 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 [2021-12-22 19:52:35,149 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 [2021-12-22 19:52:35,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:52:35,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:52:35,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:52:35,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,198 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 [2021-12-22 19:52:35,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,199 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) [2021-12-22 19:52:35,206 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 [2021-12-22 19:52:35,212 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 [2021-12-22 19:52:35,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:52:35,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:52:35,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:52:35,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,280 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 [2021-12-22 19:52:35,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,282 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) [2021-12-22 19:52:35,283 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 [2021-12-22 19:52:35,284 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 [2021-12-22 19:52:35,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:52:35,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:52:35,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:52:35,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-22 19:52:35,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,308 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) [2021-12-22 19:52:35,309 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 [2021-12-22 19:52:35,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 19:52:35,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:52:35,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:52:35,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:52:35,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-22 19:52:35,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,345 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) [2021-12-22 19:52:35,346 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 [2021-12-22 19:52:35,347 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 [2021-12-22 19:52:35,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:35,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:35,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,393 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 [2021-12-22 19:52:35,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,395 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) [2021-12-22 19:52:35,402 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 [2021-12-22 19:52:35,407 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 [2021-12-22 19:52:35,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:52:35,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:52:35,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:52:35,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,430 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 [2021-12-22 19:52:35,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,432 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) [2021-12-22 19:52:35,433 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 [2021-12-22 19:52:35,434 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 [2021-12-22 19:52:35,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:35,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:35,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-22 19:52:35,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,468 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) [2021-12-22 19:52:35,471 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 [2021-12-22 19:52:35,503 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 [2021-12-22 19:52:35,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:52:35,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:52:35,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:52:35,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,530 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 [2021-12-22 19:52:35,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,532 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) [2021-12-22 19:52:35,533 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 [2021-12-22 19:52:35,534 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 [2021-12-22 19:52:35,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:52:35,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:52:35,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:52:35,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,568 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 [2021-12-22 19:52:35,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,569 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) [2021-12-22 19:52:35,579 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 [2021-12-22 19:52:35,580 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 [2021-12-22 19:52:35,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:52:35,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:52:35,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:52:35,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,604 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 [2021-12-22 19:52:35,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,605 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) [2021-12-22 19:52:35,606 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 [2021-12-22 19:52:35,607 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 [2021-12-22 19:52:35,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:35,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:35,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,635 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 [2021-12-22 19:52:35,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,636 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) [2021-12-22 19:52:35,637 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 [2021-12-22 19:52:35,638 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 [2021-12-22 19:52:35,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:52:35,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:52:35,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:52:35,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,661 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 [2021-12-22 19:52:35,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,662 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) [2021-12-22 19:52:35,663 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 [2021-12-22 19:52:35,664 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 [2021-12-22 19:52:35,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:52:35,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:52:35,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:52:35,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,687 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 [2021-12-22 19:52:35,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,688 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) [2021-12-22 19:52:35,689 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 [2021-12-22 19:52:35,713 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 [2021-12-22 19:52:35,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:52:35,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:52:35,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:52:35,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-22 19:52:35,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,769 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) [2021-12-22 19:52:35,769 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 [2021-12-22 19:52:35,770 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 [2021-12-22 19:52:35,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:52:35,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:52:35,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:52:35,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,798 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 [2021-12-22 19:52:35,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,799 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) [2021-12-22 19:52:35,801 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 [2021-12-22 19:52:35,802 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 [2021-12-22 19:52:35,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:52:35,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:52:35,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:52:35,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,827 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 [2021-12-22 19:52:35,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,828 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) [2021-12-22 19:52:35,831 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 [2021-12-22 19:52:35,832 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 [2021-12-22 19:52:35,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:35,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:35,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,858 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 [2021-12-22 19:52:35,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,859 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) [2021-12-22 19:52:35,860 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 [2021-12-22 19:52:35,861 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 [2021-12-22 19:52:35,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:52:35,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:52:35,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:52:35,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,887 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 [2021-12-22 19:52:35,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,889 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) [2021-12-22 19:52:35,889 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 [2021-12-22 19:52:35,890 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 [2021-12-22 19:52:35,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,898 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:35,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:35,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-22 19:52:35,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,917 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) [2021-12-22 19:52:35,918 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 [2021-12-22 19:52:35,920 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 [2021-12-22 19:52:35,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:35,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:35,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,950 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 [2021-12-22 19:52:35,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,951 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) [2021-12-22 19:52:35,953 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 [2021-12-22 19:52:35,954 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 [2021-12-22 19:52:35,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:35,962 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:35,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:35,981 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 [2021-12-22 19:52:35,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:35,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:35,982 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) [2021-12-22 19:52:35,983 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 [2021-12-22 19:52:35,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 19:52:35,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:35,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:35,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:35,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:35,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:35,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:35,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:36,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-22 19:52:36,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:36,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:36,016 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) [2021-12-22 19:52:36,016 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 [2021-12-22 19:52:36,018 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 [2021-12-22 19:52:36,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:36,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:36,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:36,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:36,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:36,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:36,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:36,046 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-22 19:52:36,047 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:36,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:36,047 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) [2021-12-22 19:52:36,048 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 [2021-12-22 19:52:36,049 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 [2021-12-22 19:52:36,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:36,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:36,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:36,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:36,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:36,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:36,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:36,075 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 [2021-12-22 19:52:36,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:36,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:36,077 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) [2021-12-22 19:52:36,078 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 [2021-12-22 19:52:36,079 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 [2021-12-22 19:52:36,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:36,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:36,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:36,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:36,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:36,087 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:36,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:36,110 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 [2021-12-22 19:52:36,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:36,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:36,111 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) [2021-12-22 19:52:36,114 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 [2021-12-22 19:52:36,116 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 [2021-12-22 19:52:36,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:36,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:36,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:36,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:36,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:36,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:36,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:36,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-22 19:52:36,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:36,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:36,176 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) [2021-12-22 19:52:36,177 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 [2021-12-22 19:52:36,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 19:52:36,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:36,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:36,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:36,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:36,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:36,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:36,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:36,207 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 [2021-12-22 19:52:36,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:36,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:36,208 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) [2021-12-22 19:52:36,210 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 [2021-12-22 19:52:36,211 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 [2021-12-22 19:52:36,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:36,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:36,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:36,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:36,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:36,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:36,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:36,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-22 19:52:36,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:36,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:36,295 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) [2021-12-22 19:52:36,300 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 [2021-12-22 19:52:36,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:36,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:36,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:36,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:36,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:36,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:36,312 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 [2021-12-22 19:52:36,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:36,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-22 19:52:36,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:36,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:36,337 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) [2021-12-22 19:52:36,339 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 [2021-12-22 19:52:36,340 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 [2021-12-22 19:52:36,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:36,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:36,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:36,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:36,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:36,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:36,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:36,390 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 [2021-12-22 19:52:36,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:36,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:36,392 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) [2021-12-22 19:52:36,392 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 [2021-12-22 19:52:36,394 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 [2021-12-22 19:52:36,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:36,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:36,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:36,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:36,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:36,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:36,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:36,446 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 [2021-12-22 19:52:36,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:36,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:36,448 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) [2021-12-22 19:52:36,451 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 [2021-12-22 19:52:36,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:36,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:36,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:36,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:36,461 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:36,461 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:36,464 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 [2021-12-22 19:52:36,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:36,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-22 19:52:36,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:36,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:36,481 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) [2021-12-22 19:52:36,482 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 [2021-12-22 19:52:36,485 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 [2021-12-22 19:52:36,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:36,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:36,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:36,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:36,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:36,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:36,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:36,513 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 [2021-12-22 19:52:36,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:36,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:36,515 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) [2021-12-22 19:52:36,516 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 [2021-12-22 19:52:36,517 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 [2021-12-22 19:52:36,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:36,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:36,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:36,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:36,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:36,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:36,531 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 19:52:36,568 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-12-22 19:52:36,568 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-12-22 19:52:36,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:36,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:36,584 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) [2021-12-22 19:52:36,604 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 19:52:36,612 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 [2021-12-22 19:52:36,632 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-22 19:52:36,632 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 19:52:36,633 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~y~0#1.base) ULTIMATE.start_f_~y~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_f_~y~0#1.base) ULTIMATE.start_f_~y~0#1.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_f_~d_ref~0#1.base) ULTIMATE.start_f_~d_ref~0#1.offset)_1 - 1 >= 0] [2021-12-22 19:52:36,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-12-22 19:52:36,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-22 19:52:36,915 INFO L297 tatePredicateManager]: 52 out of 54 supporting invariants were superfluous and have been removed [2021-12-22 19:52:36,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:52:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:52:37,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 49 conjunts are in the unsatisfiable core [2021-12-22 19:52:37,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:52:37,144 INFO L353 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2021-12-22 19:52:37,145 INFO L387 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 280 treesize of output 240 [2021-12-22 19:52:37,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:37,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:37,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:37,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:37,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:37,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:37,380 INFO L353 Elim1Store]: treesize reduction 200, result has 44.6 percent of original size [2021-12-22 19:52:37,380 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 232 treesize of output 288 [2021-12-22 19:52:37,431 INFO L353 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-12-22 19:52:37,431 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 38 [2021-12-22 19:52:37,490 INFO L387 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2021-12-22 19:52:37,511 INFO L387 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2021-12-22 19:52:37,529 INFO L387 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2021-12-22 19:52:37,742 INFO L387 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 [2021-12-22 19:52:38,229 INFO L387 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 255 treesize of output 251 [2021-12-22 19:52:38,406 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-12-22 19:52:38,467 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-12-22 19:52:38,504 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-12-22 19:52:38,705 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 135 [2021-12-22 19:52:38,826 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-12-22 19:52:38,858 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-12-22 19:52:38,927 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 86 [2021-12-22 19:52:38,962 INFO L387 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 5 treesize of output 3 [2021-12-22 19:52:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:52:39,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-22 19:52:39,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:52:39,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:52:39,090 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-12-22 19:52:39,090 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:52:39,174 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 5. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 34 transitions. Complement of second has 10 states. [2021-12-22 19:52:39,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-22 19:52:39,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:52:39,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2021-12-22 19:52:39,178 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 4 letters. [2021-12-22 19:52:39,179 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:52:39,179 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-22 19:52:39,179 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:52:39,179 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 8 letters. [2021-12-22 19:52:39,180 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:52:39,180 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2021-12-22 19:52:39,181 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-12-22 19:52:39,182 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 28 states and 33 transitions. [2021-12-22 19:52:39,182 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-12-22 19:52:39,182 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-12-22 19:52:39,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2021-12-22 19:52:39,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-22 19:52:39,182 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-12-22 19:52:39,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2021-12-22 19:52:39,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2021-12-22 19:52:39,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:52:39,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2021-12-22 19:52:39,184 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-12-22 19:52:39,184 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-12-22 19:52:39,184 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-22 19:52:39,184 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2021-12-22 19:52:39,185 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-12-22 19:52:39,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:52:39,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:52:39,186 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-22 19:52:39,186 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-22 19:52:39,187 INFO L791 eck$LassoCheckResult]: Stem: 462#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 463#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1; 469#L578 assume !(0 != main_#t~nondet21#1);havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem10#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 466#L558-1 assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1; 467#L562-5 call f_#t~mem8#1 := read~int(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 474#L562-3 assume !(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1; 464#L567-5 [2021-12-22 19:52:39,187 INFO L793 eck$LassoCheckResult]: Loop: 464#L567-5 call f_#t~mem11#1 := read~int(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 465#L566-5 assume f_#t~short13#1;call f_#t~mem12#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0; 460#L566-7 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1; 461#L567-3 assume !(0 != f_#t~nondet14#1);havoc f_#t~nondet14#1;call f_#t~mem19#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);call f_#t~mem20#1 := read~int(f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(f_#t~mem19#1 - f_#t~mem20#1, f_~y~0#1.base, f_~y~0#1.offset, 4);havoc f_#t~mem19#1;havoc f_#t~mem20#1; 464#L567-5 [2021-12-22 19:52:39,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:52:39,188 INFO L85 PathProgramCache]: Analyzing trace with hash 891018187, now seen corresponding path program 1 times [2021-12-22 19:52:39,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:52:39,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980439295] [2021-12-22 19:52:39,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:52:39,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:52:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:39,237 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:52:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:39,269 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:52:39,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:52:39,270 INFO L85 PathProgramCache]: Analyzing trace with hash 3266347, now seen corresponding path program 1 times [2021-12-22 19:52:39,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:52:39,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772137383] [2021-12-22 19:52:39,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:52:39,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:52:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:39,277 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:52:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:39,289 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:52:39,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:52:39,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1225178613, now seen corresponding path program 1 times [2021-12-22 19:52:39,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:52:39,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788940249] [2021-12-22 19:52:39,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:52:39,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:52:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:39,322 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:52:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:39,341 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:52:41,107 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 19:52:41,107 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 19:52:41,107 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 19:52:41,107 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 19:52:41,108 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 19:52:41,108 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:41,108 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 19:52:41,108 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 19:52:41,108 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i_Iteration4_Lasso [2021-12-22 19:52:41,108 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 19:52:41,108 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 19:52:41,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:41,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:52:42,571 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 19:52:42,572 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 19:52:42,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:42,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:42,576 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) [2021-12-22 19:52:42,585 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 [2021-12-22 19:52:42,591 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 [2021-12-22 19:52:42,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:42,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:52:42,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:42,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:42,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:42,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:52:42,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:52:42,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:42,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-22 19:52:42,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:42,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:42,610 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) [2021-12-22 19:52:42,612 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 [2021-12-22 19:52:42,612 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 [2021-12-22 19:52:42,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:42,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:42,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:42,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:42,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:42,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:42,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:42,637 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 [2021-12-22 19:52:42,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:42,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:42,639 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) [2021-12-22 19:52:42,639 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 [2021-12-22 19:52:42,642 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 [2021-12-22 19:52:42,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:42,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:42,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:42,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:42,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:42,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:42,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:42,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-22 19:52:42,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:42,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:42,668 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) [2021-12-22 19:52:42,669 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 [2021-12-22 19:52:42,670 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 [2021-12-22 19:52:42,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:42,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:42,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:42,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:42,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:42,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:42,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:42,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-22 19:52:42,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:42,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:42,696 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) [2021-12-22 19:52:42,697 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 [2021-12-22 19:52:42,698 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 [2021-12-22 19:52:42,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:42,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:42,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:42,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:42,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:42,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:42,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:42,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-22 19:52:42,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:42,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:42,769 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) [2021-12-22 19:52:42,772 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 [2021-12-22 19:52:42,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:42,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:42,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:42,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:42,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:42,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:42,783 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 [2021-12-22 19:52:42,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:42,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-12-22 19:52:42,816 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:42,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:42,817 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) [2021-12-22 19:52:42,818 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 [2021-12-22 19:52:42,819 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 [2021-12-22 19:52:42,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:42,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:42,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:42,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:42,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:42,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:42,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:42,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-12-22 19:52:42,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:42,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:42,848 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) [2021-12-22 19:52:42,849 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 [2021-12-22 19:52:42,850 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 [2021-12-22 19:52:42,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:42,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:42,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:42,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:42,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:42,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:42,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:42,885 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 [2021-12-22 19:52:42,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:42,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:42,887 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) [2021-12-22 19:52:42,887 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 [2021-12-22 19:52:42,890 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 [2021-12-22 19:52:42,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:42,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:42,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:42,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:42,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:42,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:42,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:52:42,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-22 19:52:42,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:42,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:42,916 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) [2021-12-22 19:52:42,917 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 [2021-12-22 19:52:42,919 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 [2021-12-22 19:52:42,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:52:42,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:52:42,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:52:42,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:52:42,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:52:42,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 19:52:42,932 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 19:52:42,942 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-12-22 19:52:42,942 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-12-22 19:52:42,942 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:52:42,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:42,943 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) [2021-12-22 19:52:42,943 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 [2021-12-22 19:52:42,945 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 19:52:42,953 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-22 19:52:42,953 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 19:52:42,953 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~y~0#1.base) ULTIMATE.start_f_~y~0#1.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_f_~y~0#1.base) ULTIMATE.start_f_~y~0#1.offset)_2 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_f_~d_ref~0#1.base) ULTIMATE.start_f_~d_ref~0#1.offset)_2 - 2 >= 0] [2021-12-22 19:52:42,971 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 [2021-12-22 19:52:43,175 INFO L297 tatePredicateManager]: 57 out of 59 supporting invariants were superfluous and have been removed [2021-12-22 19:52:43,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:52:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:52:43,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 47 conjunts are in the unsatisfiable core [2021-12-22 19:52:43,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:52:43,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-12-22 19:52:43,317 INFO L387 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-22 19:52:43,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:43,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:43,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:43,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:43,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:43,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:43,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:43,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:43,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:43,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:43,336 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 31 [2021-12-22 19:52:43,344 INFO L353 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-12-22 19:52:43,345 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 53 [2021-12-22 19:52:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:52:43,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-22 19:52:43,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:52:43,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:52:43,451 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-12-22 19:52:43,451 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:52:43,515 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 44 transitions. Complement of second has 10 states. [2021-12-22 19:52:43,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-22 19:52:43,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:52:43,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2021-12-22 19:52:43,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 4 letters. [2021-12-22 19:52:43,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:52:43,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-22 19:52:43,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:52:43,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 8 letters. [2021-12-22 19:52:43,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:52:43,518 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 44 transitions. [2021-12-22 19:52:43,519 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-12-22 19:52:43,519 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 36 states and 43 transitions. [2021-12-22 19:52:43,519 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-12-22 19:52:43,520 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-12-22 19:52:43,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 43 transitions. [2021-12-22 19:52:43,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-22 19:52:43,520 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 43 transitions. [2021-12-22 19:52:43,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 43 transitions. [2021-12-22 19:52:43,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2021-12-22 19:52:43,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2) internal successors, (42), 34 states have internal predecessors, (42), 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) [2021-12-22 19:52:43,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2021-12-22 19:52:43,522 INFO L704 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-12-22 19:52:43,522 INFO L587 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-12-22 19:52:43,522 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-22 19:52:43,522 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 42 transitions. [2021-12-22 19:52:43,523 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-12-22 19:52:43,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:52:43,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:52:43,523 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:52:43,523 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-22 19:52:43,523 INFO L791 eck$LassoCheckResult]: Stem: 830#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 831#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1; 839#L578 assume 0 != main_#t~nondet21#1;havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem10#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 846#L558 assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1; 847#L562-2 call f_#t~mem8#1 := read~int(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 853#L562 assume !(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1; 854#L567-2 call f_#t~mem11#1 := read~int(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 857#L566 assume f_#t~short13#1;call f_#t~mem12#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0; 860#L566-2 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1; 848#L567 assume 0 != f_#t~nondet14#1;havoc f_#t~nondet14#1; 849#L568 [2021-12-22 19:52:43,524 INFO L793 eck$LassoCheckResult]: Loop: 849#L568 call f_#t~mem15#1 := read~int(f_~x~0#1.base, f_~x~0#1.offset, 4);call f_#t~mem16#1 := read~int(f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(f_#t~mem15#1 - f_#t~mem16#1, f_~x~0#1.base, f_~x~0#1.offset, 4);havoc f_#t~mem15#1;havoc f_#t~mem16#1;call write~int(f_#t~nondet17#1, f_~y~0#1.base, f_~y~0#1.offset, 4);havoc f_#t~nondet17#1;call f_#t~mem18#1 := read~int(f_~z~0#1.base, f_~z~0#1.offset, 4);call write~int(f_#t~mem18#1 - 1, f_~z~0#1.base, f_~z~0#1.offset, 4);havoc f_#t~mem18#1; 856#L567-2 call f_#t~mem11#1 := read~int(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 841#L566 assume f_#t~short13#1;call f_#t~mem12#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0; 842#L566-2 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1; 852#L567 assume 0 != f_#t~nondet14#1;havoc f_#t~nondet14#1; 849#L568 [2021-12-22 19:52:43,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:52:43,524 INFO L85 PathProgramCache]: Analyzing trace with hash -260778639, now seen corresponding path program 1 times [2021-12-22 19:52:43,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:52:43,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432816737] [2021-12-22 19:52:43,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:52:43,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:52:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:43,548 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:52:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:43,568 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:52:43,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:52:43,568 INFO L85 PathProgramCache]: Analyzing trace with hash 69174960, now seen corresponding path program 1 times [2021-12-22 19:52:43,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:52:43,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893344252] [2021-12-22 19:52:43,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:52:43,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:52:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:43,577 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:52:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:43,583 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:52:43,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:52:43,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1938200384, now seen corresponding path program 1 times [2021-12-22 19:52:43,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:52:43,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142772862] [2021-12-22 19:52:43,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:52:43,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:52:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:52:43,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:52:43,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:52:43,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142772862] [2021-12-22 19:52:43,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142772862] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 19:52:43,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544164800] [2021-12-22 19:52:43,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:52:43,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:52:43,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:43,896 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:52:43,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2021-12-22 19:52:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:52:44,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 84 conjunts are in the unsatisfiable core [2021-12-22 19:52:44,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:52:44,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,202 INFO L353 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-12-22 19:52:44,203 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 464 treesize of output 338 [2021-12-22 19:52:44,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,328 INFO L353 Elim1Store]: treesize reduction 46, result has 40.3 percent of original size [2021-12-22 19:52:44,329 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 352 treesize of output 300 [2021-12-22 19:52:44,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,405 INFO L353 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2021-12-22 19:52:44,405 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 296 treesize of output 250 [2021-12-22 19:52:44,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:44,589 INFO L353 Elim1Store]: treesize reduction 176, result has 40.7 percent of original size [2021-12-22 19:52:44,590 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 240 treesize of output 304 [2021-12-22 19:52:44,610 INFO L387 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 33 treesize of output 29 [2021-12-22 19:52:44,627 INFO L387 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 [2021-12-22 19:52:44,651 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-22 19:52:44,651 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 52 [2021-12-22 19:52:44,674 INFO L387 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 [2021-12-22 19:52:44,703 INFO L387 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 [2021-12-22 19:52:44,779 INFO L387 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 67 treesize of output 61 [2021-12-22 19:52:44,981 INFO L387 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 [2021-12-22 19:52:46,945 INFO L387 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 [2021-12-22 19:52:46,965 INFO L387 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 45 treesize of output 41 [2021-12-22 19:52:47,028 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-22 19:52:47,028 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 26 [2021-12-22 19:52:47,056 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-22 19:52:47,057 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 26 [2021-12-22 19:52:47,117 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-12-22 19:52:47,426 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-22 19:52:47,522 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-22 19:52:47,544 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-22 19:52:47,573 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-22 19:52:47,699 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-22 19:52:47,764 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2021-12-22 19:52:48,021 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-22 19:52:48,022 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-12-22 19:52:48,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:48,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:48,106 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-22 19:52:48,107 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 26 [2021-12-22 19:52:48,131 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-22 19:52:48,133 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 21 [2021-12-22 19:52:48,269 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2021-12-22 19:52:48,320 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-22 19:52:48,321 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 35 [2021-12-22 19:52:48,351 INFO L353 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2021-12-22 19:52:48,352 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 47 [2021-12-22 19:52:48,413 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-22 19:52:48,413 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 35 [2021-12-22 19:52:48,504 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2021-12-22 19:52:48,540 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2021-12-22 19:52:48,710 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-22 19:52:48,711 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 41 [2021-12-22 19:52:48,715 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-22 19:52:48,726 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-22 19:52:48,727 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 41 [2021-12-22 19:52:48,730 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-22 19:52:48,749 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-12-22 19:52:48,754 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-22 19:52:48,772 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-22 19:52:48,773 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 36 [2021-12-22 19:52:48,778 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-22 19:52:49,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:49,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:49,210 INFO L353 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2021-12-22 19:52:49,210 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 125 [2021-12-22 19:52:49,229 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-22 19:52:49,229 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 57 [2021-12-22 19:52:49,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:49,254 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-22 19:52:49,254 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 47 [2021-12-22 19:52:49,270 INFO L387 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 21 treesize of output 16 [2021-12-22 19:52:49,345 INFO L387 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 23 treesize of output 18 [2021-12-22 19:52:49,409 INFO L387 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 14 [2021-12-22 19:52:49,466 INFO L387 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 22 treesize of output 10 [2021-12-22 19:52:49,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:52:49,480 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 19:52:49,581 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1138 (Array Int Int)) (v_ArrVal_1137 (Array Int Int)) (v_ArrVal_1136 (Array Int Int)) (v_ArrVal_1134 Int) (v_ArrVal_1133 Int) (v_ArrVal_1132 (Array Int Int)) (v_ArrVal_1139 Int)) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_f_~x~0#1.base|))) (let ((.cse1 (select (select |c_#memory_int| |c_ULTIMATE.start_f_~d_ref~0#1.base|) |c_ULTIMATE.start_f_~d_ref~0#1.offset|)) (.cse2 (select .cse0 |c_ULTIMATE.start_f_~x~0#1.offset|))) (or (not (<= (+ v_ArrVal_1134 1) (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_f_~x~0#1.base| (store .cse0 |c_ULTIMATE.start_f_~x~0#1.offset| v_ArrVal_1133)) |c_ULTIMATE.start_f_~y~0#1.base| v_ArrVal_1137) |c_ULTIMATE.start_f_~z~0#1.base|) |c_ULTIMATE.start_f_~z~0#1.offset|))) (not (<= (+ v_ArrVal_1133 .cse1) .cse2)) (not (<= (+ v_ArrVal_1139 .cse1) .cse2)) (<= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_f_~x~0#1.base| (store .cse0 |c_ULTIMATE.start_f_~x~0#1.offset| v_ArrVal_1139)) |c_ULTIMATE.start_f_~y~0#1.base| v_ArrVal_1138) |c_ULTIMATE.start_f_~z~0#1.base| (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_f_~x~0#1.base| v_ArrVal_1136) |c_ULTIMATE.start_f_~y~0#1.base| v_ArrVal_1132) |c_ULTIMATE.start_f_~z~0#1.base|) |c_ULTIMATE.start_f_~z~0#1.offset| v_ArrVal_1134)) |c_ULTIMATE.start_f_~x~0#1.base|) |c_ULTIMATE.start_f_~x~0#1.offset|) 0))))) is different from false [2021-12-22 19:52:49,840 WARN L838 $PredicateComparison]: unable to prove that (or (<= (select (select |c_#memory_int| |c_ULTIMATE.start_f_~y~0#1.base|) |c_ULTIMATE.start_f_~y~0#1.offset|) 0) (forall ((v_ArrVal_1138 (Array Int Int)) (v_ArrVal_1137 (Array Int Int)) (v_ArrVal_1134 Int) (v_ArrVal_1136 (Array Int Int)) (v_ArrVal_1133 Int) (v_ArrVal_1132 (Array Int Int)) (v_ArrVal_1139 Int)) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_f_~x~0#1.base|))) (let ((.cse1 (select (select |c_#memory_int| |c_ULTIMATE.start_f_~d_ref~0#1.base|) |c_ULTIMATE.start_f_~d_ref~0#1.offset|)) (.cse2 (select .cse0 |c_ULTIMATE.start_f_~x~0#1.offset|))) (or (not (<= (+ v_ArrVal_1134 1) (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_f_~x~0#1.base| (store .cse0 |c_ULTIMATE.start_f_~x~0#1.offset| v_ArrVal_1133)) |c_ULTIMATE.start_f_~y~0#1.base| v_ArrVal_1137) |c_ULTIMATE.start_f_~z~0#1.base|) |c_ULTIMATE.start_f_~z~0#1.offset|))) (not (<= (+ v_ArrVal_1133 .cse1) .cse2)) (not (<= (+ v_ArrVal_1139 .cse1) .cse2)) (<= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_f_~x~0#1.base| (store .cse0 |c_ULTIMATE.start_f_~x~0#1.offset| v_ArrVal_1139)) |c_ULTIMATE.start_f_~y~0#1.base| v_ArrVal_1138) |c_ULTIMATE.start_f_~z~0#1.base| (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_f_~x~0#1.base| v_ArrVal_1136) |c_ULTIMATE.start_f_~y~0#1.base| v_ArrVal_1132) |c_ULTIMATE.start_f_~z~0#1.base|) |c_ULTIMATE.start_f_~z~0#1.offset| v_ArrVal_1134)) |c_ULTIMATE.start_f_~x~0#1.base|) |c_ULTIMATE.start_f_~x~0#1.offset|) 0)))))) is different from false [2021-12-22 19:52:50,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2021-12-22 19:52:50,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544164800] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 19:52:50,255 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 19:52:50,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 14 [2021-12-22 19:52:50,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597027963] [2021-12-22 19:52:50,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 19:52:50,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:52:50,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-22 19:52:50,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=101, Unknown=3, NotChecked=42, Total=182 [2021-12-22 19:52:50,488 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. cyclomatic complexity: 11 Second operand has 14 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 14 states have internal predecessors, (36), 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) [2021-12-22 19:52:50,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:52:50,755 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2021-12-22 19:52:50,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 19:52:50,756 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 50 transitions. [2021-12-22 19:52:50,757 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-12-22 19:52:50,757 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 38 states and 44 transitions. [2021-12-22 19:52:50,757 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-12-22 19:52:50,757 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2021-12-22 19:52:50,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 44 transitions. [2021-12-22 19:52:50,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-22 19:52:50,758 INFO L681 BuchiCegarLoop]: Abstraction has 38 states and 44 transitions. [2021-12-22 19:52:50,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 44 transitions. [2021-12-22 19:52:50,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2021-12-22 19:52:50,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.1714285714285715) internal successors, (41), 34 states have internal predecessors, (41), 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) [2021-12-22 19:52:50,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2021-12-22 19:52:50,760 INFO L704 BuchiCegarLoop]: Abstraction has 35 states and 41 transitions. [2021-12-22 19:52:50,760 INFO L587 BuchiCegarLoop]: Abstraction has 35 states and 41 transitions. [2021-12-22 19:52:50,760 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-22 19:52:50,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 41 transitions. [2021-12-22 19:52:50,761 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-12-22 19:52:50,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:52:50,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:52:50,761 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:52:50,761 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-22 19:52:50,762 INFO L791 eck$LassoCheckResult]: Stem: 1023#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1024#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1; 1032#L578 assume !(0 != main_#t~nondet21#1);havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem10#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 1030#L558-1 assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1; 1031#L562-5 call f_#t~mem8#1 := read~int(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int(f_~k~0#1.base, f_~k~0#1.offset, 4); 1038#L562-3 assume !(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1; 1047#L567-5 call f_#t~mem11#1 := read~int(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 1029#L566-5 assume f_#t~short13#1;call f_#t~mem12#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0; 1019#L566-7 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1; 1020#L567-3 assume 0 != f_#t~nondet14#1;havoc f_#t~nondet14#1; 1033#L568-1 [2021-12-22 19:52:50,762 INFO L793 eck$LassoCheckResult]: Loop: 1033#L568-1 call f_#t~mem15#1 := read~int(f_~x~0#1.base, f_~x~0#1.offset, 4);call f_#t~mem16#1 := read~int(f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int(f_#t~mem15#1 - f_#t~mem16#1, f_~x~0#1.base, f_~x~0#1.offset, 4);havoc f_#t~mem15#1;havoc f_#t~mem16#1;call write~int(f_#t~nondet17#1, f_~y~0#1.base, f_~y~0#1.offset, 4);havoc f_#t~nondet17#1;call f_#t~mem18#1 := read~int(f_~z~0#1.base, f_~z~0#1.offset, 4);call write~int(f_#t~mem18#1 - 1, f_~z~0#1.base, f_~z~0#1.offset, 4);havoc f_#t~mem18#1; 1025#L567-5 call f_#t~mem11#1 := read~int(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0; 1026#L566-5 assume f_#t~short13#1;call f_#t~mem12#1 := read~int(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0; 1051#L566-7 assume !!f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1; 1050#L567-3 assume 0 != f_#t~nondet14#1;havoc f_#t~nondet14#1; 1033#L568-1 [2021-12-22 19:52:50,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:52:50,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1225178609, now seen corresponding path program 1 times [2021-12-22 19:52:50,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:52:50,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691769260] [2021-12-22 19:52:50,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:52:50,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:52:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:50,798 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:52:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:50,821 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:52:50,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:52:50,822 INFO L85 PathProgramCache]: Analyzing trace with hash 115935905, now seen corresponding path program 1 times [2021-12-22 19:52:50,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:52:50,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669232445] [2021-12-22 19:52:50,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:52:50,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:52:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:50,837 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:52:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:52:50,848 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:52:50,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:52:50,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1894022479, now seen corresponding path program 1 times [2021-12-22 19:52:50,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:52:50,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327344678] [2021-12-22 19:52:50,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:52:50,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:52:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:52:51,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:52:51,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:52:51,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327344678] [2021-12-22 19:52:51,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327344678] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 19:52:51,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212989266] [2021-12-22 19:52:51,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:52:51,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:52:51,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:52:51,200 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:52:51,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2021-12-22 19:52:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:52:51,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 80 conjunts are in the unsatisfiable core [2021-12-22 19:52:51,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:52:51,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:51,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:51,791 INFO L353 Elim1Store]: treesize reduction 55, result has 48.6 percent of original size [2021-12-22 19:52:51,792 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 2822 treesize of output 2226 [2021-12-22 19:52:51,806 INFO L387 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 2166 treesize of output 2076 [2021-12-22 19:52:51,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:51,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:51,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:51,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:51,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 19:52:52,970 INFO L353 Elim1Store]: treesize reduction 1176, result has 34.7 percent of original size [2021-12-22 19:52:52,970 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 16 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 20 new quantified variables, introduced 85 case distinctions, treesize of input 2106 treesize of output 1682 [2021-12-22 19:52:53,044 INFO L387 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 78 [2021-12-22 19:52:53,114 INFO L387 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 33 treesize of output 29 [2021-12-22 19:52:53,170 INFO L387 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 33 treesize of output 29 [2021-12-22 19:52:53,238 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-22 19:52:53,239 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 114 [2021-12-22 19:52:53,319 INFO L387 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 33 treesize of output 29 [2021-12-22 19:52:53,689 INFO L387 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 33 treesize of output 29