./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-dietlibc/strstr.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ff03de63 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-dietlibc/strstr.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 4f0de1cabcaa1e7c1b5012604e9626b39d1f0fa44ba0399b8bd31764898831fc --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 22:01:33,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 22:01:33,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 22:01:33,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 22:01:33,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 22:01:33,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 22:01:33,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 22:01:33,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 22:01:33,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 22:01:33,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 22:01:33,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 22:01:33,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 22:01:33,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 22:01:33,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 22:01:33,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 22:01:33,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 22:01:33,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 22:01:33,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 22:01:33,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 22:01:33,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 22:01:33,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 22:01:33,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 22:01:33,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 22:01:33,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 22:01:33,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 22:01:33,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 22:01:33,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 22:01:33,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 22:01:33,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 22:01:33,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 22:01:33,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 22:01:33,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 22:01:33,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 22:01:33,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 22:01:33,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 22:01:33,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 22:01:33,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 22:01:33,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 22:01:33,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 22:01:33,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 22:01:33,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 22:01:33,413 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-21 22:01:33,436 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 22:01:33,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 22:01:33,439 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 22:01:33,439 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 22:01:33,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 22:01:33,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 22:01:33,440 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 22:01:33,440 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-21 22:01:33,440 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-21 22:01:33,440 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-21 22:01:33,441 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-21 22:01:33,441 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-21 22:01:33,441 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-21 22:01:33,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 22:01:33,442 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 22:01:33,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 22:01:33,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 22:01:33,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-21 22:01:33,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-21 22:01:33,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-21 22:01:33,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 22:01:33,443 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-21 22:01:33,443 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 22:01:33,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-21 22:01:33,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 22:01:33,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 22:01:33,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 22:01:33,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 22:01:33,444 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 22:01:33,445 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-21 22:01:33,445 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f0de1cabcaa1e7c1b5012604e9626b39d1f0fa44ba0399b8bd31764898831fc [2021-12-21 22:01:33,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 22:01:33,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 22:01:33,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 22:01:33,637 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 22:01:33,637 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 22:01:33,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/strstr.i [2021-12-21 22:01:33,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4e9a8f6b/613ef00c7599436fb75a55c8815d2282/FLAG4ff1bb2a1 [2021-12-21 22:01:34,068 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 22:01:34,071 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strstr.i [2021-12-21 22:01:34,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4e9a8f6b/613ef00c7599436fb75a55c8815d2282/FLAG4ff1bb2a1 [2021-12-21 22:01:34,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4e9a8f6b/613ef00c7599436fb75a55c8815d2282 [2021-12-21 22:01:34,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 22:01:34,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 22:01:34,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 22:01:34,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 22:01:34,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 22:01:34,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:01:34" (1/1) ... [2021-12-21 22:01:34,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4299e3de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:34, skipping insertion in model container [2021-12-21 22:01:34,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:01:34" (1/1) ... [2021-12-21 22:01:34,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 22:01:34,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 22:01:34,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:01:34,691 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 22:01:34,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:01:34,737 INFO L208 MainTranslator]: Completed translation [2021-12-21 22:01:34,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:34 WrapperNode [2021-12-21 22:01:34,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 22:01:34,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 22:01:34,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 22:01:34,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 22:01:34,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:34" (1/1) ... [2021-12-21 22:01:34,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:34" (1/1) ... [2021-12-21 22:01:34,794 INFO L137 Inliner]: procedures = 116, calls = 22, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 177 [2021-12-21 22:01:34,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 22:01:34,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 22:01:34,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 22:01:34,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 22:01:34,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:34" (1/1) ... [2021-12-21 22:01:34,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:34" (1/1) ... [2021-12-21 22:01:34,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:34" (1/1) ... [2021-12-21 22:01:34,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:34" (1/1) ... [2021-12-21 22:01:34,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:34" (1/1) ... [2021-12-21 22:01:34,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:34" (1/1) ... [2021-12-21 22:01:34,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:34" (1/1) ... [2021-12-21 22:01:34,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 22:01:34,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 22:01:34,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 22:01:34,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 22:01:34,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:34" (1/1) ... [2021-12-21 22:01:34,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:34,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:34,884 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) [2021-12-21 22:01:34,886 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 [2021-12-21 22:01:34,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 22:01:34,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 22:01:34,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 22:01:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 22:01:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 22:01:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 22:01:34,996 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 22:01:35,006 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 22:01:35,235 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 22:01:35,239 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 22:01:35,243 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-21 22:01:35,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:01:35 BoogieIcfgContainer [2021-12-21 22:01:35,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 22:01:35,245 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-21 22:01:35,245 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-21 22:01:35,249 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-21 22:01:35,250 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:01:35,250 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.12 10:01:34" (1/3) ... [2021-12-21 22:01:35,251 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33878d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:01:35, skipping insertion in model container [2021-12-21 22:01:35,251 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:01:35,251 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:34" (2/3) ... [2021-12-21 22:01:35,251 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33878d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:01:35, skipping insertion in model container [2021-12-21 22:01:35,251 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:01:35,252 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:01:35" (3/3) ... [2021-12-21 22:01:35,253 INFO L388 chiAutomizerObserver]: Analyzing ICFG strstr.i [2021-12-21 22:01:35,288 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-21 22:01:35,288 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-21 22:01:35,288 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-21 22:01:35,288 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-21 22:01:35,288 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-21 22:01:35,288 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-21 22:01:35,288 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-21 22:01:35,289 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-21 22:01:35,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 39 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 38 states have internal predecessors, (59), 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) [2021-12-21 22:01:35,320 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 19 [2021-12-21 22:01:35,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:01:35,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:01:35,326 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-21 22:01:35,326 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-21 22:01:35,326 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-21 22:01:35,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 39 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 38 states have internal predecessors, (59), 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) [2021-12-21 22:01:35,331 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 19 [2021-12-21 22:01:35,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:01:35,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:01:35,332 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-21 22:01:35,332 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-21 22:01:35,337 INFO L791 eck$LassoCheckResult]: Stem: 26#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 12#L542true assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 4#L544-3true [2021-12-21 22:01:35,338 INFO L793 eck$LassoCheckResult]: Loop: 4#L544-3true assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 5#L544-2true main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4#L544-3true [2021-12-21 22:01:35,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:35,347 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-12-21 22:01:35,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:35,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800401607] [2021-12-21 22:01:35,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:35,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:35,427 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:35,456 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:35,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:35,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2021-12-21 22:01:35,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:35,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565639999] [2021-12-21 22:01:35,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:35,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:35,492 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:35,506 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:35,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:35,508 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2021-12-21 22:01:35,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:35,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899088854] [2021-12-21 22:01:35,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:35,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:35,535 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:35,551 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:35,758 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:01:35,758 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:01:35,759 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:01:35,759 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:01:35,759 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:01:35,759 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:35,759 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:01:35,759 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:01:35,760 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration1_Lasso [2021-12-21 22:01:35,760 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:01:35,761 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:01:35,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:35,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:35,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:35,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:35,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:35,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:35,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:35,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:35,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:35,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:35,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:35,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:35,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:35,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:35,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:35,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:35,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:36,123 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:01:36,126 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:01:36,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:36,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:36,129 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) [2021-12-21 22:01:36,141 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 [2021-12-21 22:01:36,142 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 [2021-12-21 22:01:36,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:36,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:36,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:36,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:36,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:36,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:36,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:36,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:36,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:36,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:36,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:36,187 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) [2021-12-21 22:01:36,190 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 [2021-12-21 22:01:36,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:36,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:36,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:36,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:36,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:36,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:36,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:36,203 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 [2021-12-21 22:01:36,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:36,239 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 [2021-12-21 22:01:36,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:36,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:36,243 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) [2021-12-21 22:01:36,260 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 [2021-12-21 22:01:36,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:36,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:36,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:36,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:36,269 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 [2021-12-21 22:01:36,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:36,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:36,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:36,310 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 [2021-12-21 22:01:36,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:36,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:36,312 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) [2021-12-21 22:01:36,339 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 [2021-12-21 22:01:36,339 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 [2021-12-21 22:01:36,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:36,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:36,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:36,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:36,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:36,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:36,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:36,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:36,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-21 22:01:36,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:36,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:36,374 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) [2021-12-21 22:01:36,374 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 [2021-12-21 22:01:36,376 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 [2021-12-21 22:01:36,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:36,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:36,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:36,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:36,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:36,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:36,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:36,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:36,401 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 [2021-12-21 22:01:36,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:36,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:36,402 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) [2021-12-21 22:01:36,404 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 [2021-12-21 22:01:36,404 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 [2021-12-21 22:01:36,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:36,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:36,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:36,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:36,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:36,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:36,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:36,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:36,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-21 22:01:36,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:36,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:36,443 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) [2021-12-21 22:01:36,445 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 [2021-12-21 22:01:36,447 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 [2021-12-21 22:01:36,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:36,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:36,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:36,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:36,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:36,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:36,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:36,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:36,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-21 22:01:36,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:36,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:36,480 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) [2021-12-21 22:01:36,481 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 [2021-12-21 22:01:36,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:01:36,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:36,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:36,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:36,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:36,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:36,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:36,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:36,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:36,521 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 [2021-12-21 22:01:36,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:36,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:36,523 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) [2021-12-21 22:01:36,524 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 [2021-12-21 22:01:36,525 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 [2021-12-21 22:01:36,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:36,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:36,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:36,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:36,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:36,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:36,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:36,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:36,569 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 [2021-12-21 22:01:36,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:36,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:36,572 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) [2021-12-21 22:01:36,575 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 [2021-12-21 22:01:36,576 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 [2021-12-21 22:01:36,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:36,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:36,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:36,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:36,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:36,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:36,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:36,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:36,601 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 [2021-12-21 22:01:36,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:36,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:36,602 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) [2021-12-21 22:01:36,603 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 [2021-12-21 22:01:36,604 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 [2021-12-21 22:01:36,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:36,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:36,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:36,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:36,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:36,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:36,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:36,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:36,633 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 [2021-12-21 22:01:36,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:36,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:36,634 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) [2021-12-21 22:01:36,635 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 [2021-12-21 22:01:36,636 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 [2021-12-21 22:01:36,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:36,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:36,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:36,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:36,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:36,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:36,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:36,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:36,671 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-21 22:01:36,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:36,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:36,672 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) [2021-12-21 22:01:36,683 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 [2021-12-21 22:01:36,684 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 [2021-12-21 22:01:36,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:36,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:36,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:36,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:36,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:36,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:36,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:36,723 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 [2021-12-21 22:01:36,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:36,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:36,724 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) [2021-12-21 22:01:36,725 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 [2021-12-21 22:01:36,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:01:36,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:36,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:36,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:36,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:36,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:36,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:36,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:36,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:36,754 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 [2021-12-21 22:01:36,754 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:36,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:36,755 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) [2021-12-21 22:01:36,756 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 [2021-12-21 22:01:36,757 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 [2021-12-21 22:01:36,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:36,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:36,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:36,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:36,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:36,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:36,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:36,799 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 [2021-12-21 22:01:36,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:36,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:36,812 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) [2021-12-21 22:01:36,813 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 [2021-12-21 22:01:36,814 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 [2021-12-21 22:01:36,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:36,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:36,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:36,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:36,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:36,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:36,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:36,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:36,843 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 [2021-12-21 22:01:36,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:36,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:36,844 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) [2021-12-21 22:01:36,844 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 [2021-12-21 22:01:36,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:01:36,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:36,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:36,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:36,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:36,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:36,855 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:36,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:36,884 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 [2021-12-21 22:01:36,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:36,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:36,887 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) [2021-12-21 22:01:36,887 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 [2021-12-21 22:01:36,890 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 [2021-12-21 22:01:36,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:36,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:36,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:36,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:36,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:36,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:36,931 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:01:36,972 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-21 22:01:36,972 INFO L444 ModelExtractionUtils]: 14 out of 22 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-12-21 22:01:36,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:36,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:37,003 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) [2021-12-21 22:01:37,016 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:01:37,024 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 [2021-12-21 22:01:37,039 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-21 22:01:37,039 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:01:37,040 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~2#1, ULTIMATE.start_main_~in_len~0#1) = -1*ULTIMATE.start_main_~i~2#1 + 1*ULTIMATE.start_main_~in_len~0#1 Supporting invariants [] [2021-12-21 22:01:37,055 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 [2021-12-21 22:01:37,066 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-12-21 22:01:37,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:37,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 22:01:37,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:01:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:37,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-21 22:01:37,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:01:37,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:01:37,149 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-21 22:01:37,150 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 39 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 38 states have internal predecessors, (59), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:01:37,200 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 39 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 38 states have internal predecessors, (59), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 112 states and 165 transitions. Complement of second has 7 states. [2021-12-21 22:01:37,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-21 22:01:37,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:01:37,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 112 transitions. [2021-12-21 22:01:37,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 112 transitions. Stem has 3 letters. Loop has 2 letters. [2021-12-21 22:01:37,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:01:37,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 112 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-21 22:01:37,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:01:37,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 112 transitions. Stem has 3 letters. Loop has 4 letters. [2021-12-21 22:01:37,208 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:01:37,208 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 112 states and 165 transitions. [2021-12-21 22:01:37,212 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 17 [2021-12-21 22:01:37,215 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 112 states to 34 states and 44 transitions. [2021-12-21 22:01:37,215 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2021-12-21 22:01:37,215 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2021-12-21 22:01:37,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 44 transitions. [2021-12-21 22:01:37,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:01:37,216 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2021-12-21 22:01:37,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 44 transitions. [2021-12-21 22:01:37,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-12-21 22:01:37,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 33 states have internal predecessors, (44), 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) [2021-12-21 22:01:37,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2021-12-21 22:01:37,232 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2021-12-21 22:01:37,232 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2021-12-21 22:01:37,232 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-21 22:01:37,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 44 transitions. [2021-12-21 22:01:37,233 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 17 [2021-12-21 22:01:37,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:01:37,233 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:01:37,233 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-21 22:01:37,234 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-21 22:01:37,234 INFO L791 eck$LassoCheckResult]: Stem: 235#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 216#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 217#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 205#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 206#L544-4 call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 215#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 209#L552-3 [2021-12-21 22:01:37,234 INFO L793 eck$LassoCheckResult]: Loop: 209#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);call write~int(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 211#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 209#L552-3 [2021-12-21 22:01:37,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:37,234 INFO L85 PathProgramCache]: Analyzing trace with hash 889572430, now seen corresponding path program 1 times [2021-12-21 22:01:37,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:37,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587968236] [2021-12-21 22:01:37,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:37,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:37,245 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:37,259 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:37,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:37,262 INFO L85 PathProgramCache]: Analyzing trace with hash 2051, now seen corresponding path program 1 times [2021-12-21 22:01:37,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:37,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254909918] [2021-12-21 22:01:37,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:37,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:37,268 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:37,271 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:37,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:37,272 INFO L85 PathProgramCache]: Analyzing trace with hash 180614416, now seen corresponding path program 1 times [2021-12-21 22:01:37,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:37,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580974262] [2021-12-21 22:01:37,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:37,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:37,284 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:37,295 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:37,590 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:01:37,590 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:01:37,590 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:01:37,591 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:01:37,591 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:01:37,591 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:37,591 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:01:37,591 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:01:37,591 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration2_Lasso [2021-12-21 22:01:37,591 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:01:37,591 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:01:37,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:37,631 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 [2021-12-21 22:01:37,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:37,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:37,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:37,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:37,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:37,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:37,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:37,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:37,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:37,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:38,033 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:01:38,033 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:01:38,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:38,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:38,035 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) [2021-12-21 22:01:38,052 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 [2021-12-21 22:01:38,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:38,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:38,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:38,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:38,059 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 [2021-12-21 22:01:38,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:38,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:38,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:38,089 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 [2021-12-21 22:01:38,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:38,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:38,090 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) [2021-12-21 22:01:38,091 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 [2021-12-21 22:01:38,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:01:38,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:38,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:38,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:38,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:38,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:38,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:38,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:38,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:38,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:38,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:38,130 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) [2021-12-21 22:01:38,136 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 [2021-12-21 22:01:38,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:38,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:38,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:38,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:38,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:38,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:38,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:38,147 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 [2021-12-21 22:01:38,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:38,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:38,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:38,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:38,179 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) [2021-12-21 22:01:38,180 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 [2021-12-21 22:01:38,181 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 [2021-12-21 22:01:38,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:38,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:38,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:38,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:38,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:38,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:38,214 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:01:38,225 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-21 22:01:38,225 INFO L444 ModelExtractionUtils]: 32 out of 40 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-12-21 22:01:38,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:38,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:38,227 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) [2021-12-21 22:01:38,231 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:01:38,243 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 [2021-12-21 22:01:38,256 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-21 22:01:38,256 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:01:38,256 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~out_len~0#1, ULTIMATE.start_main_~i~3#1) = 1*ULTIMATE.start_main_~out_len~0#1 - 1*ULTIMATE.start_main_~i~3#1 Supporting invariants [] [2021-12-21 22:01:38,275 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 [2021-12-21 22:01:38,292 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2021-12-21 22:01:38,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:38,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 22:01:38,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:01:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:38,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-21 22:01:38,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:01:38,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:01:38,344 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-21 22:01:38,345 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 44 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-12-21 22:01:38,379 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 44 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 60 states and 81 transitions. Complement of second has 6 states. [2021-12-21 22:01:38,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-21 22:01:38,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-12-21 22:01:38,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 42 transitions. [2021-12-21 22:01:38,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 42 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-21 22:01:38,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:01:38,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 42 transitions. Stem has 8 letters. Loop has 2 letters. [2021-12-21 22:01:38,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:01:38,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 42 transitions. Stem has 6 letters. Loop has 4 letters. [2021-12-21 22:01:38,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:01:38,383 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 81 transitions. [2021-12-21 22:01:38,384 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2021-12-21 22:01:38,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 35 states and 46 transitions. [2021-12-21 22:01:38,387 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-12-21 22:01:38,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-12-21 22:01:38,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 46 transitions. [2021-12-21 22:01:38,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:01:38,387 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 46 transitions. [2021-12-21 22:01:38,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 46 transitions. [2021-12-21 22:01:38,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-12-21 22:01:38,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 34 states have internal predecessors, (46), 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) [2021-12-21 22:01:38,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2021-12-21 22:01:38,391 INFO L704 BuchiCegarLoop]: Abstraction has 35 states and 46 transitions. [2021-12-21 22:01:38,391 INFO L587 BuchiCegarLoop]: Abstraction has 35 states and 46 transitions. [2021-12-21 22:01:38,391 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-21 22:01:38,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 46 transitions. [2021-12-21 22:01:38,392 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2021-12-21 22:01:38,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:01:38,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:01:38,393 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:01:38,393 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:01:38,393 INFO L791 eck$LassoCheckResult]: Stem: 413#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 396#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 397#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 382#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 383#L544-4 call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 393#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 386#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 387#L552-4 call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 390#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 398#L510-4 [2021-12-21 22:01:38,394 INFO L793 eck$LassoCheckResult]: Loop: 398#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 399#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 407#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 398#L510-4 [2021-12-21 22:01:38,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:38,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1304077847, now seen corresponding path program 1 times [2021-12-21 22:01:38,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:38,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100746230] [2021-12-21 22:01:38,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:38,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:38,415 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 [2021-12-21 22:01:38,418 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:38,451 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:38,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:38,456 INFO L85 PathProgramCache]: Analyzing trace with hash 78610, now seen corresponding path program 1 times [2021-12-21 22:01:38,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:38,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043588056] [2021-12-21 22:01:38,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:38,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:38,460 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:38,463 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:38,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:38,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1803996476, now seen corresponding path program 1 times [2021-12-21 22:01:38,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:38,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874507443] [2021-12-21 22:01:38,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:38,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:38,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:01:38,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:01:38,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874507443] [2021-12-21 22:01:38,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874507443] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 22:01:38,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 22:01:38,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 22:01:38,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893566221] [2021-12-21 22:01:38,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 22:01:38,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 22:01:38,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 22:01:38,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 22:01:38,602 INFO L87 Difference]: Start difference. First operand 35 states and 46 transitions. cyclomatic complexity: 16 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:01:38,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 22:01:38,733 INFO L93 Difference]: Finished difference Result 59 states and 76 transitions. [2021-12-21 22:01:38,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 22:01:38,734 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 76 transitions. [2021-12-21 22:01:38,736 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 27 [2021-12-21 22:01:38,737 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 59 states and 76 transitions. [2021-12-21 22:01:38,737 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 54 [2021-12-21 22:01:38,738 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2021-12-21 22:01:38,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 76 transitions. [2021-12-21 22:01:38,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:01:38,739 INFO L681 BuchiCegarLoop]: Abstraction has 59 states and 76 transitions. [2021-12-21 22:01:38,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 76 transitions. [2021-12-21 22:01:38,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 39. [2021-12-21 22:01:38,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 38 states have internal predecessors, (51), 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) [2021-12-21 22:01:38,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2021-12-21 22:01:38,745 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 51 transitions. [2021-12-21 22:01:38,745 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 51 transitions. [2021-12-21 22:01:38,745 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-21 22:01:38,745 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 51 transitions. [2021-12-21 22:01:38,749 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2021-12-21 22:01:38,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:01:38,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:01:38,749 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:01:38,749 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:01:38,750 INFO L791 eck$LassoCheckResult]: Stem: 525#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 506#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 507#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 493#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 494#L544-4 call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 505#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 497#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 498#L552-4 call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 531#L509 assume strlen_~s#1.base == 0 && strlen_~s#1.offset == 0;strlen_#res#1 := 0; 503#L511 strstr_#t~ret11#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 504#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 513#L510-10 [2021-12-21 22:01:38,750 INFO L793 eck$LassoCheckResult]: Loop: 513#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 514#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 516#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 513#L510-10 [2021-12-21 22:01:38,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:38,750 INFO L85 PathProgramCache]: Analyzing trace with hash -911639398, now seen corresponding path program 1 times [2021-12-21 22:01:38,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:38,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680777775] [2021-12-21 22:01:38,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:38,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:38,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:01:38,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:01:38,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680777775] [2021-12-21 22:01:38,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680777775] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 22:01:38,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 22:01:38,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 22:01:38,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472984828] [2021-12-21 22:01:38,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 22:01:38,797 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-21 22:01:38,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:38,798 INFO L85 PathProgramCache]: Analyzing trace with hash 100456, now seen corresponding path program 1 times [2021-12-21 22:01:38,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:38,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200739300] [2021-12-21 22:01:38,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:38,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:38,801 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:38,803 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:38,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 22:01:38,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 22:01:38,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 22:01:38,839 INFO L87 Difference]: Start difference. First operand 39 states and 51 transitions. cyclomatic complexity: 17 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2021-12-21 22:01:38,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 22:01:38,856 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2021-12-21 22:01:38,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 22:01:38,857 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2021-12-21 22:01:38,857 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2021-12-21 22:01:38,858 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2021-12-21 22:01:38,858 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-12-21 22:01:38,858 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2021-12-21 22:01:38,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2021-12-21 22:01:38,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:01:38,858 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2021-12-21 22:01:38,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2021-12-21 22:01:38,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-12-21 22:01:38,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 38 states have internal predecessors, (49), 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) [2021-12-21 22:01:38,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2021-12-21 22:01:38,860 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2021-12-21 22:01:38,860 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2021-12-21 22:01:38,860 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-21 22:01:38,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 49 transitions. [2021-12-21 22:01:38,861 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2021-12-21 22:01:38,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:01:38,861 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:01:38,861 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:01:38,861 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:01:38,861 INFO L791 eck$LassoCheckResult]: Stem: 612#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 593#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 594#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 580#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 581#L544-4 call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 592#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 584#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);call write~int(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 586#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 587#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 588#L552-4 call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 589#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 597#L510-4 [2021-12-21 22:01:38,861 INFO L793 eck$LassoCheckResult]: Loop: 597#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 598#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 606#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 597#L510-4 [2021-12-21 22:01:38,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:38,862 INFO L85 PathProgramCache]: Analyzing trace with hash -909922795, now seen corresponding path program 1 times [2021-12-21 22:01:38,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:38,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896148360] [2021-12-21 22:01:38,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:38,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:38,871 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:38,882 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:38,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:38,883 INFO L85 PathProgramCache]: Analyzing trace with hash 78610, now seen corresponding path program 2 times [2021-12-21 22:01:38,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:38,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085282079] [2021-12-21 22:01:38,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:38,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:38,886 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:38,895 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:38,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:38,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1971331970, now seen corresponding path program 1 times [2021-12-21 22:01:38,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:38,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160327762] [2021-12-21 22:01:38,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:38,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:38,909 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:38,925 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:39,556 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:01:39,556 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:01:39,556 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:01:39,556 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:01:39,556 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:01:39,556 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:39,556 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:01:39,556 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:01:39,556 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration5_Lasso [2021-12-21 22:01:39,556 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:01:39,556 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:01:39,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:39,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:40,381 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:01:40,381 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:01:40,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:40,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:40,382 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:40,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-21 22:01:40,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:01:40,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:40,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:40,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:40,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:40,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:40,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:40,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:40,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:40,421 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 [2021-12-21 22:01:40,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:40,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:40,422 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) [2021-12-21 22:01:40,422 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 [2021-12-21 22:01:40,424 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 [2021-12-21 22:01:40,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:40,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:40,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:40,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:40,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:40,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:40,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:40,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:40,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:40,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:40,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:40,470 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) [2021-12-21 22:01:40,471 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 [2021-12-21 22:01:40,472 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 [2021-12-21 22:01:40,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:40,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:40,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:40,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:40,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:40,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:40,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:40,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:40,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:40,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:40,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:40,505 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) [2021-12-21 22:01:40,512 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 [2021-12-21 22:01:40,512 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 [2021-12-21 22:01:40,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:40,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:40,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:40,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:40,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:40,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:40,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:40,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:40,534 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 [2021-12-21 22:01:40,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:40,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:40,535 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) [2021-12-21 22:01:40,536 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 [2021-12-21 22:01:40,537 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 [2021-12-21 22:01:40,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:40,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:40,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:40,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:40,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:40,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:40,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:40,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:40,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:40,559 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:40,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:40,559 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) [2021-12-21 22:01:40,560 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 [2021-12-21 22:01:40,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:01:40,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:40,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:40,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:40,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:40,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:40,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:40,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:40,607 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 [2021-12-21 22:01:40,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:40,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:40,608 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) [2021-12-21 22:01:40,608 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 [2021-12-21 22:01:40,610 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 [2021-12-21 22:01:40,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:40,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:40,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:40,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:40,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:40,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:40,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:40,634 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 [2021-12-21 22:01:40,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:40,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:40,635 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) [2021-12-21 22:01:40,636 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 [2021-12-21 22:01:40,637 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 [2021-12-21 22:01:40,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:40,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:40,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:40,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:40,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:40,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:40,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:40,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-21 22:01:40,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:40,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:40,661 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) [2021-12-21 22:01:40,662 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 [2021-12-21 22:01:40,663 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 [2021-12-21 22:01:40,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:40,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:40,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:40,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:40,670 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:40,670 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:40,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:40,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-21 22:01:40,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:40,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:40,698 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) [2021-12-21 22:01:40,699 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 [2021-12-21 22:01:40,700 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 [2021-12-21 22:01:40,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:40,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:40,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:40,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:40,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:40,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:40,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:40,723 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 [2021-12-21 22:01:40,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:40,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:40,724 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) [2021-12-21 22:01:40,725 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 [2021-12-21 22:01:40,726 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 [2021-12-21 22:01:40,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:40,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:40,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:40,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:40,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:40,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:40,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:40,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-21 22:01:40,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:40,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:40,767 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) [2021-12-21 22:01:40,768 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 [2021-12-21 22:01:40,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:01:40,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:40,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:40,776 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-21 22:01:40,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:40,780 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-12-21 22:01:40,780 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-21 22:01:40,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:40,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-21 22:01:40,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:40,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:40,802 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) [2021-12-21 22:01:40,804 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 [2021-12-21 22:01:40,809 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 [2021-12-21 22:01:40,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:40,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:40,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:40,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:40,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:40,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:40,833 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:01:40,857 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-12-21 22:01:40,857 INFO L444 ModelExtractionUtils]: 32 out of 55 variables were initially zero. Simplification set additionally 20 variables to zero. [2021-12-21 22:01:40,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:40,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:40,858 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) [2021-12-21 22:01:40,859 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 [2021-12-21 22:01:40,860 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:01:40,895 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-21 22:01:40,896 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:01:40,896 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc24#1.base)_2, ULTIMATE.start_strlen_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc24#1.base)_2 - 1*ULTIMATE.start_strlen_~s#1.offset Supporting invariants [] [2021-12-21 22:01:40,915 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 [2021-12-21 22:01:40,937 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2021-12-21 22:01:40,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:40,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-21 22:01:40,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:01:41,015 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 [2021-12-21 22:01:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:41,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:01:41,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:01:41,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:01:41,074 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-21 22:01:41,074 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 49 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:01:41,113 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 49 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 57 transitions. Complement of second has 7 states. [2021-12-21 22:01:41,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-21 22:01:41,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:01:41,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2021-12-21 22:01:41,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 11 letters. Loop has 3 letters. [2021-12-21 22:01:41,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:01:41,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 14 letters. Loop has 3 letters. [2021-12-21 22:01:41,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:01:41,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 11 letters. Loop has 6 letters. [2021-12-21 22:01:41,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:01:41,125 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 57 transitions. [2021-12-21 22:01:41,125 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-12-21 22:01:41,126 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 41 states and 52 transitions. [2021-12-21 22:01:41,126 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-12-21 22:01:41,126 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2021-12-21 22:01:41,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 52 transitions. [2021-12-21 22:01:41,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:01:41,126 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 52 transitions. [2021-12-21 22:01:41,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 52 transitions. [2021-12-21 22:01:41,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2021-12-21 22:01:41,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.275) internal successors, (51), 39 states have internal predecessors, (51), 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) [2021-12-21 22:01:41,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2021-12-21 22:01:41,127 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 51 transitions. [2021-12-21 22:01:41,127 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 51 transitions. [2021-12-21 22:01:41,127 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-21 22:01:41,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 51 transitions. [2021-12-21 22:01:41,128 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-12-21 22:01:41,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:01:41,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:01:41,128 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:01:41,128 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:01:41,128 INFO L791 eck$LassoCheckResult]: Stem: 820#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 801#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 802#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 786#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 787#L544-4 call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 798#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 790#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 791#L552-4 call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 795#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 803#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 804#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 822#L510-5 strlen_#res#1 := strlen_~i~0#1; 796#L511 strstr_#t~ret11#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 797#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 808#L510-10 [2021-12-21 22:01:41,128 INFO L793 eck$LassoCheckResult]: Loop: 808#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 809#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 811#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 808#L510-10 [2021-12-21 22:01:41,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:41,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1526227897, now seen corresponding path program 1 times [2021-12-21 22:01:41,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:41,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988941396] [2021-12-21 22:01:41,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:41,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:41,137 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:41,145 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:41,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:41,145 INFO L85 PathProgramCache]: Analyzing trace with hash 100456, now seen corresponding path program 2 times [2021-12-21 22:01:41,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:41,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278624487] [2021-12-21 22:01:41,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:41,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:41,148 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:41,149 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:41,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:41,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1331413406, now seen corresponding path program 1 times [2021-12-21 22:01:41,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:41,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407666014] [2021-12-21 22:01:41,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:41,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:41,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:01:41,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:01:41,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407666014] [2021-12-21 22:01:41,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407666014] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 22:01:41,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 22:01:41,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-21 22:01:41,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917950021] [2021-12-21 22:01:41,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 22:01:41,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 22:01:41,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 22:01:41,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-21 22:01:41,295 INFO L87 Difference]: Start difference. First operand 40 states and 51 transitions. cyclomatic complexity: 16 Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 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) [2021-12-21 22:01:41,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 22:01:41,433 INFO L93 Difference]: Finished difference Result 82 states and 104 transitions. [2021-12-21 22:01:41,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-21 22:01:41,441 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 104 transitions. [2021-12-21 22:01:41,441 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 24 [2021-12-21 22:01:41,442 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 82 states and 104 transitions. [2021-12-21 22:01:41,442 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2021-12-21 22:01:41,442 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 69 [2021-12-21 22:01:41,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 82 states and 104 transitions. [2021-12-21 22:01:41,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:01:41,442 INFO L681 BuchiCegarLoop]: Abstraction has 82 states and 104 transitions. [2021-12-21 22:01:41,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states and 104 transitions. [2021-12-21 22:01:41,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 60. [2021-12-21 22:01:41,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 59 states have internal predecessors, (76), 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) [2021-12-21 22:01:41,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 76 transitions. [2021-12-21 22:01:41,444 INFO L704 BuchiCegarLoop]: Abstraction has 60 states and 76 transitions. [2021-12-21 22:01:41,444 INFO L587 BuchiCegarLoop]: Abstraction has 60 states and 76 transitions. [2021-12-21 22:01:41,444 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-21 22:01:41,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states and 76 transitions. [2021-12-21 22:01:41,445 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-12-21 22:01:41,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:01:41,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:01:41,445 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:01:41,445 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:01:41,445 INFO L791 eck$LassoCheckResult]: Stem: 969#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 950#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 951#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 934#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 936#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 937#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 938#L544-4 call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 993#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 991#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 992#L552-4 call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 983#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 979#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 972#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 973#L510-5 strlen_#res#1 := strlen_~i~0#1; 945#L511 strstr_#t~ret11#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 946#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 957#L510-10 [2021-12-21 22:01:41,445 INFO L793 eck$LassoCheckResult]: Loop: 957#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 958#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 971#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 957#L510-10 [2021-12-21 22:01:41,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:41,446 INFO L85 PathProgramCache]: Analyzing trace with hash -432721371, now seen corresponding path program 1 times [2021-12-21 22:01:41,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:41,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324538920] [2021-12-21 22:01:41,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:41,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:41,454 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:41,466 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:41,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:41,471 INFO L85 PathProgramCache]: Analyzing trace with hash 100456, now seen corresponding path program 3 times [2021-12-21 22:01:41,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:41,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25816575] [2021-12-21 22:01:41,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:41,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:41,475 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:41,477 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:41,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:41,480 INFO L85 PathProgramCache]: Analyzing trace with hash -2005437500, now seen corresponding path program 1 times [2021-12-21 22:01:41,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:41,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080619645] [2021-12-21 22:01:41,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:41,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:41,492 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:41,506 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:42,232 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:01:42,232 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:01:42,232 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:01:42,232 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:01:42,232 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:01:42,232 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:42,232 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:01:42,232 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:01:42,232 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration7_Lasso [2021-12-21 22:01:42,232 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:01:42,232 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:01:42,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:42,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:43,068 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:01:43,068 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:01:43,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,070 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) [2021-12-21 22:01:43,073 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 [2021-12-21 22:01:43,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,087 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 [2021-12-21 22:01:43,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:43,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,097 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) [2021-12-21 22:01:43,097 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 [2021-12-21 22:01:43,099 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 [2021-12-21 22:01:43,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:43,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,125 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) [2021-12-21 22:01:43,125 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 [2021-12-21 22:01:43,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:01:43,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-21 22:01:43,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,155 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) [2021-12-21 22:01:43,156 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 [2021-12-21 22:01:43,157 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 [2021-12-21 22:01:43,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-21 22:01:43,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,181 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) [2021-12-21 22:01:43,182 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 [2021-12-21 22:01:43,189 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 [2021-12-21 22:01:43,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-21 22:01:43,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,212 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) [2021-12-21 22:01:43,214 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 [2021-12-21 22:01:43,215 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 [2021-12-21 22:01:43,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:43,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:43,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,239 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 [2021-12-21 22:01:43,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,240 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) [2021-12-21 22:01:43,241 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 [2021-12-21 22:01:43,242 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 [2021-12-21 22:01:43,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:43,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,267 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) [2021-12-21 22:01:43,268 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 [2021-12-21 22:01:43,269 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 [2021-12-21 22:01:43,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,291 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 [2021-12-21 22:01:43,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,292 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) [2021-12-21 22:01:43,292 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 [2021-12-21 22:01:43,294 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 [2021-12-21 22:01:43,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:43,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:43,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,318 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 [2021-12-21 22:01:43,318 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,319 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) [2021-12-21 22:01:43,319 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 [2021-12-21 22:01:43,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:01:43,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-21 22:01:43,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,358 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:43,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-21 22:01:43,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:01:43,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:43,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:43,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:43,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,386 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:43,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-21 22:01:43,388 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 [2021-12-21 22:01:43,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-21 22:01:43,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,421 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:43,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-21 22:01:43,428 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 [2021-12-21 22:01:43,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:43,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,451 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:43,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-21 22:01:43,453 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 [2021-12-21 22:01:43,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-21 22:01:43,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,487 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:43,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-21 22:01:43,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:01:43,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,514 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-21 22:01:43,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,519 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:43,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-21 22:01:43,522 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 [2021-12-21 22:01:43,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-21 22:01:43,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,559 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:43,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-21 22:01:43,567 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 [2021-12-21 22:01:43,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:43,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,596 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:43,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-21 22:01:43,598 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 [2021-12-21 22:01:43,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:43,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:43,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:43,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,631 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:43,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-21 22:01:43,680 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 [2021-12-21 22:01:43,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-21 22:01:43,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,709 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:43,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-21 22:01:43,711 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 [2021-12-21 22:01:43,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:43,720 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:43,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:43,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,747 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:43,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-21 22:01:43,749 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 [2021-12-21 22:01:43,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:43,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,787 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:43,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-21 22:01:43,788 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 [2021-12-21 22:01:43,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:43,811 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,813 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:43,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-21 22:01:43,814 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 [2021-12-21 22:01:43,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:43,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,849 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:43,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-21 22:01:43,851 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 [2021-12-21 22:01:43,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-21 22:01:43,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,875 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:43,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-21 22:01:43,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:01:43,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:43,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,915 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:43,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-21 22:01:43,916 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 [2021-12-21 22:01:43,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:43,942 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,944 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:43,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-21 22:01:43,946 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 [2021-12-21 22:01:43,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:43,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-12-21 22:01:43,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:43,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:43,970 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:43,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-21 22:01:43,974 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 [2021-12-21 22:01:43,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:43,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:43,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:43,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:43,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:43,982 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:43,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:43,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:44,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:44,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:44,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:44,007 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:44,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-21 22:01:44,014 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 [2021-12-21 22:01:44,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:44,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:44,021 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-21 22:01:44,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:44,024 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-12-21 22:01:44,024 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-21 22:01:44,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:44,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-12-21 22:01:44,047 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:44,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:44,048 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:44,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-21 22:01:44,050 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 [2021-12-21 22:01:44,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:44,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:44,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:44,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:44,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:44,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:44,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:44,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-12-21 22:01:44,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:44,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:44,076 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:44,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-21 22:01:44,078 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 [2021-12-21 22:01:44,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:44,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:44,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:44,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:44,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:44,087 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:44,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:44,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:44,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:44,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:44,111 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:44,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-21 22:01:44,147 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 [2021-12-21 22:01:44,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:44,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:44,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:44,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:44,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:44,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:44,187 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:01:44,221 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-12-21 22:01:44,221 INFO L444 ModelExtractionUtils]: 24 out of 55 variables were initially zero. Simplification set additionally 28 variables to zero. [2021-12-21 22:01:44,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:44,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:44,226 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:44,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-21 22:01:44,228 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:01:44,235 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-21 22:01:44,235 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:01:44,235 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc20#1.base)_4, ULTIMATE.start_strlen_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc20#1.base)_4 - 1*ULTIMATE.start_strlen_~s#1.offset Supporting invariants [] [2021-12-21 22:01:44,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-12-21 22:01:44,292 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2021-12-21 22:01:44,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:44,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-21 22:01:44,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:01:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:44,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:01:44,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:01:44,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:01:44,432 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-12-21 22:01:44,432 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 60 states and 76 transitions. cyclomatic complexity: 23 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2021-12-21 22:01:44,495 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 60 states and 76 transitions. cyclomatic complexity: 23. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 89 states and 114 transitions. Complement of second has 7 states. [2021-12-21 22:01:44,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-21 22:01:44,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2021-12-21 22:01:44,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 56 transitions. [2021-12-21 22:01:44,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 56 transitions. Stem has 16 letters. Loop has 3 letters. [2021-12-21 22:01:44,496 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:01:44,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 56 transitions. Stem has 19 letters. Loop has 3 letters. [2021-12-21 22:01:44,496 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:01:44,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 56 transitions. Stem has 16 letters. Loop has 6 letters. [2021-12-21 22:01:44,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:01:44,497 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 89 states and 114 transitions. [2021-12-21 22:01:44,497 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 18 [2021-12-21 22:01:44,498 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 89 states to 74 states and 94 transitions. [2021-12-21 22:01:44,498 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2021-12-21 22:01:44,498 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2021-12-21 22:01:44,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 94 transitions. [2021-12-21 22:01:44,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:01:44,498 INFO L681 BuchiCegarLoop]: Abstraction has 74 states and 94 transitions. [2021-12-21 22:01:44,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 94 transitions. [2021-12-21 22:01:44,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 61. [2021-12-21 22:01:44,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.278688524590164) internal successors, (78), 60 states have internal predecessors, (78), 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) [2021-12-21 22:01:44,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 78 transitions. [2021-12-21 22:01:44,501 INFO L704 BuchiCegarLoop]: Abstraction has 61 states and 78 transitions. [2021-12-21 22:01:44,501 INFO L587 BuchiCegarLoop]: Abstraction has 61 states and 78 transitions. [2021-12-21 22:01:44,501 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-21 22:01:44,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 78 transitions. [2021-12-21 22:01:44,501 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2021-12-21 22:01:44,501 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:01:44,501 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:01:44,502 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:01:44,502 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-21 22:01:44,502 INFO L791 eck$LassoCheckResult]: Stem: 1277#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1255#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 1256#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 1239#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 1240#L544-4 call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 1252#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 1244#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 1245#L552-4 call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1299#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1257#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 1258#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1279#L510-5 strlen_#res#1 := strlen_~i~0#1; 1250#L511 strstr_#t~ret11#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1251#L509-2 assume strlen_~s#1.base == 0 && strlen_~s#1.offset == 0;strlen_#res#1 := 0; 1271#L511-1 strstr_#t~ret12#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 1261#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 1253#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 1254#L532-3 [2021-12-21 22:01:44,502 INFO L793 eck$LassoCheckResult]: Loop: 1254#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 1278#L533 assume !strstr_#t~short17#1; 1275#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 1276#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 1254#L532-3 [2021-12-21 22:01:44,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:44,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1331460076, now seen corresponding path program 1 times [2021-12-21 22:01:44,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:44,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905276599] [2021-12-21 22:01:44,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:44,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:44,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:01:44,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:01:44,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905276599] [2021-12-21 22:01:44,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905276599] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 22:01:44,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 22:01:44,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 22:01:44,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23027969] [2021-12-21 22:01:44,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 22:01:44,529 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-21 22:01:44,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:44,529 INFO L85 PathProgramCache]: Analyzing trace with hash 4089565, now seen corresponding path program 1 times [2021-12-21 22:01:44,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:44,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817958079] [2021-12-21 22:01:44,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:44,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:44,540 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:44,546 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:44,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 22:01:44,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 22:01:44,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 22:01:44,633 INFO L87 Difference]: Start difference. First operand 61 states and 78 transitions. cyclomatic complexity: 24 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2021-12-21 22:01:44,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:44,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 22:01:44,683 INFO L93 Difference]: Finished difference Result 61 states and 76 transitions. [2021-12-21 22:01:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 22:01:44,684 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 76 transitions. [2021-12-21 22:01:44,684 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2021-12-21 22:01:44,684 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 61 states and 76 transitions. [2021-12-21 22:01:44,684 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2021-12-21 22:01:44,685 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2021-12-21 22:01:44,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 76 transitions. [2021-12-21 22:01:44,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:01:44,685 INFO L681 BuchiCegarLoop]: Abstraction has 61 states and 76 transitions. [2021-12-21 22:01:44,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 76 transitions. [2021-12-21 22:01:44,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-12-21 22:01:44,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.2459016393442623) internal successors, (76), 60 states have internal predecessors, (76), 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) [2021-12-21 22:01:44,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 76 transitions. [2021-12-21 22:01:44,687 INFO L704 BuchiCegarLoop]: Abstraction has 61 states and 76 transitions. [2021-12-21 22:01:44,687 INFO L587 BuchiCegarLoop]: Abstraction has 61 states and 76 transitions. [2021-12-21 22:01:44,687 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-21 22:01:44,687 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 76 transitions. [2021-12-21 22:01:44,687 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2021-12-21 22:01:44,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:01:44,687 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:01:44,687 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:01:44,687 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-21 22:01:44,688 INFO L791 eck$LassoCheckResult]: Stem: 1410#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1387#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 1388#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 1373#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 1374#L544-4 call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 1431#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 1378#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 1379#L552-4 call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1383#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1391#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 1392#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1412#L510-5 strlen_#res#1 := strlen_~i~0#1; 1384#L511 strstr_#t~ret11#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1385#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1396#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 1397#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1400#L510-11 strlen_#res#1 := strlen_~i~0#1; 1405#L511-1 strstr_#t~ret12#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 1395#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 1389#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 1390#L532-3 [2021-12-21 22:01:44,688 INFO L793 eck$LassoCheckResult]: Loop: 1390#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 1411#L533 assume !strstr_#t~short17#1; 1408#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 1409#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 1390#L532-3 [2021-12-21 22:01:44,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:44,688 INFO L85 PathProgramCache]: Analyzing trace with hash -115443887, now seen corresponding path program 1 times [2021-12-21 22:01:44,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:44,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837109233] [2021-12-21 22:01:44,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:44,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:44,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:01:44,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:01:44,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837109233] [2021-12-21 22:01:44,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837109233] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 22:01:44,720 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 22:01:44,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 22:01:44,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661367113] [2021-12-21 22:01:44,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 22:01:44,720 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-21 22:01:44,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:44,721 INFO L85 PathProgramCache]: Analyzing trace with hash 4089565, now seen corresponding path program 2 times [2021-12-21 22:01:44,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:44,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83767866] [2021-12-21 22:01:44,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:44,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:44,724 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:44,727 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:44,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 22:01:44,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 22:01:44,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 22:01:44,808 INFO L87 Difference]: Start difference. First operand 61 states and 76 transitions. cyclomatic complexity: 22 Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:01:44,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 22:01:44,841 INFO L93 Difference]: Finished difference Result 100 states and 118 transitions. [2021-12-21 22:01:44,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 22:01:44,841 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 118 transitions. [2021-12-21 22:01:44,842 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 18 [2021-12-21 22:01:44,842 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 72 states and 86 transitions. [2021-12-21 22:01:44,842 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 54 [2021-12-21 22:01:44,842 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2021-12-21 22:01:44,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 86 transitions. [2021-12-21 22:01:44,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:01:44,843 INFO L681 BuchiCegarLoop]: Abstraction has 72 states and 86 transitions. [2021-12-21 22:01:44,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 86 transitions. [2021-12-21 22:01:44,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 55. [2021-12-21 22:01:44,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.2) internal successors, (66), 54 states have internal predecessors, (66), 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) [2021-12-21 22:01:44,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2021-12-21 22:01:44,844 INFO L704 BuchiCegarLoop]: Abstraction has 55 states and 66 transitions. [2021-12-21 22:01:44,844 INFO L587 BuchiCegarLoop]: Abstraction has 55 states and 66 transitions. [2021-12-21 22:01:44,844 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-21 22:01:44,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 66 transitions. [2021-12-21 22:01:44,845 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2021-12-21 22:01:44,845 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:01:44,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:01:44,845 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:01:44,845 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-21 22:01:44,845 INFO L791 eck$LassoCheckResult]: Stem: 1588#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1564#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 1565#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 1548#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 1549#L544-4 call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 1561#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 1593#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);call write~int(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 1557#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 1555#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 1556#L552-4 call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1558#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1599#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 1597#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 1598#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 1596#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 1590#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1591#L510-5 strlen_#res#1 := strlen_~i~0#1; 1559#L511 strstr_#t~ret11#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1560#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1571#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 1572#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1577#L510-11 strlen_#res#1 := strlen_~i~0#1; 1583#L511-1 strstr_#t~ret12#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 1570#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 1562#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 1563#L532-3 [2021-12-21 22:01:44,845 INFO L793 eck$LassoCheckResult]: Loop: 1563#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 1589#L533 assume !strstr_#t~short17#1; 1586#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 1587#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 1563#L532-3 [2021-12-21 22:01:44,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:44,845 INFO L85 PathProgramCache]: Analyzing trace with hash 278203018, now seen corresponding path program 1 times [2021-12-21 22:01:44,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:44,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179909803] [2021-12-21 22:01:44,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:44,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:44,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-21 22:01:44,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:01:44,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179909803] [2021-12-21 22:01:44,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179909803] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 22:01:44,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084886553] [2021-12-21 22:01:44,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:44,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 22:01:44,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:44,992 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 22:01:45,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2021-12-21 22:01:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:45,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:01:45,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:01:45,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 22:01:45,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 22:01:45,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084886553] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 22:01:45,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 22:01:45,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2021-12-21 22:01:45,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339460908] [2021-12-21 22:01:45,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 22:01:45,117 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-21 22:01:45,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:45,117 INFO L85 PathProgramCache]: Analyzing trace with hash 4089565, now seen corresponding path program 3 times [2021-12-21 22:01:45,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:45,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957203779] [2021-12-21 22:01:45,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:45,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:45,121 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:45,123 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:45,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 22:01:45,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 22:01:45,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-12-21 22:01:45,216 INFO L87 Difference]: Start difference. First operand 55 states and 66 transitions. cyclomatic complexity: 18 Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 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) [2021-12-21 22:01:45,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 22:01:45,254 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions. [2021-12-21 22:01:45,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 22:01:45,255 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 73 transitions. [2021-12-21 22:01:45,255 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2021-12-21 22:01:45,255 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 41 states and 48 transitions. [2021-12-21 22:01:45,255 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-12-21 22:01:45,255 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-12-21 22:01:45,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 48 transitions. [2021-12-21 22:01:45,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:01:45,255 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 48 transitions. [2021-12-21 22:01:45,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 48 transitions. [2021-12-21 22:01:45,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2021-12-21 22:01:45,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 38 states have internal predecessors, (46), 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) [2021-12-21 22:01:45,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2021-12-21 22:01:45,257 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2021-12-21 22:01:45,257 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2021-12-21 22:01:45,257 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-21 22:01:45,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 46 transitions. [2021-12-21 22:01:45,257 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2021-12-21 22:01:45,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:01:45,257 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:01:45,257 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:01:45,257 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-21 22:01:45,257 INFO L791 eck$LassoCheckResult]: Stem: 1795#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1774#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 1775#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 1760#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 1761#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1762#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 1763#L544-4 call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 1771#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 1764#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);call write~int(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 1765#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 1766#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 1767#L552-4 call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1770#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1776#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 1777#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 1789#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 1778#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 1779#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1797#L510-5 strlen_#res#1 := strlen_~i~0#1; 1768#L511 strstr_#t~ret11#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1769#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1781#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 1782#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 1786#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 1783#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 1784#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1785#L510-11 strlen_#res#1 := strlen_~i~0#1; 1790#L511-1 strstr_#t~ret12#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 1780#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 1772#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 1773#L532-3 [2021-12-21 22:01:45,257 INFO L793 eck$LassoCheckResult]: Loop: 1773#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 1796#L533 assume !strstr_#t~short17#1; 1793#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 1794#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 1773#L532-3 [2021-12-21 22:01:45,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:45,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1690519729, now seen corresponding path program 1 times [2021-12-21 22:01:45,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:45,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310011479] [2021-12-21 22:01:45,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:45,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:45,270 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:45,281 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:45,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:45,281 INFO L85 PathProgramCache]: Analyzing trace with hash 4089565, now seen corresponding path program 4 times [2021-12-21 22:01:45,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:45,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188499231] [2021-12-21 22:01:45,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:45,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:45,284 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:45,286 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:45,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:45,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1271781261, now seen corresponding path program 1 times [2021-12-21 22:01:45,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:45,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145578836] [2021-12-21 22:01:45,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:45,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:45,315 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:45,327 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:46,848 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:01:46,848 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:01:46,848 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:01:46,848 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:01:46,848 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:01:46,848 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:46,848 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:01:46,848 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:01:46,848 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration11_Lasso [2021-12-21 22:01:46,848 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:01:46,848 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:01:46,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:46,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:46,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:47,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:48,163 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:01:48,163 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:01:48,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:48,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:48,164 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:48,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-21 22:01:48,167 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 [2021-12-21 22:01:48,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:48,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:48,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:48,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:48,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:48,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:48,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:48,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:48,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:48,211 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:48,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:48,211 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:48,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-21 22:01:48,214 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 [2021-12-21 22:01:48,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:48,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:48,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:48,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:48,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:48,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:48,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:48,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:48,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:48,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:48,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:48,238 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:48,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-21 22:01:48,240 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 [2021-12-21 22:01:48,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:48,246 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-12-21 22:01:48,246 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-21 22:01:48,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:48,262 INFO L401 nArgumentSynthesizer]: We have 28 Motzkin's Theorem applications. [2021-12-21 22:01:48,262 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-21 22:01:48,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:48,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-12-21 22:01:48,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:48,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:48,300 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:48,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-21 22:01:48,302 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 [2021-12-21 22:01:48,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:48,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:48,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:48,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:48,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:48,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:48,332 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:01:48,361 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2021-12-21 22:01:48,361 INFO L444 ModelExtractionUtils]: 37 out of 55 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-12-21 22:01:48,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:48,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:48,362 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:48,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-21 22:01:48,364 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:01:48,371 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-21 22:01:48,371 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:01:48,371 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc20#1.base)_5, ULTIMATE.start_strstr_~haystack#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc20#1.base)_5 - 1*ULTIMATE.start_strstr_~haystack#1.offset Supporting invariants [] [2021-12-21 22:01:48,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:48,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:48,494 INFO L297 tatePredicateManager]: 35 out of 36 supporting invariants were superfluous and have been removed [2021-12-21 22:01:48,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:48,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:01:48,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:01:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:48,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:01:48,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:01:48,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:01:48,706 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2021-12-21 22:01:48,707 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 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) [2021-12-21 22:01:48,754 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 12. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 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) Result 49 states and 61 transitions. Complement of second has 8 states. [2021-12-21 22:01:48,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-21 22:01:48,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 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) [2021-12-21 22:01:48,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 41 transitions. [2021-12-21 22:01:48,757 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 30 letters. Loop has 4 letters. [2021-12-21 22:01:48,758 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:01:48,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 34 letters. Loop has 4 letters. [2021-12-21 22:01:48,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:01:48,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 30 letters. Loop has 8 letters. [2021-12-21 22:01:48,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:01:48,761 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 61 transitions. [2021-12-21 22:01:48,762 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-21 22:01:48,762 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 46 states and 55 transitions. [2021-12-21 22:01:48,762 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2021-12-21 22:01:48,762 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2021-12-21 22:01:48,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 55 transitions. [2021-12-21 22:01:48,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:01:48,762 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 55 transitions. [2021-12-21 22:01:48,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 55 transitions. [2021-12-21 22:01:48,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2021-12-21 22:01:48,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.2) internal successors, (54), 44 states have internal predecessors, (54), 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) [2021-12-21 22:01:48,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2021-12-21 22:01:48,767 INFO L704 BuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2021-12-21 22:01:48,767 INFO L587 BuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2021-12-21 22:01:48,767 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-12-21 22:01:48,767 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 54 transitions. [2021-12-21 22:01:48,767 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-21 22:01:48,767 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:01:48,767 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:01:48,769 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:01:48,769 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:01:48,770 INFO L791 eck$LassoCheckResult]: Stem: 2166#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2141#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 2142#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 2129#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 2130#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2131#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 2132#L544-4 call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 2140#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 2133#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);call write~int(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 2134#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 2135#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 2136#L552-4 call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 2137#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 2145#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 2146#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 2158#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 2147#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 2148#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 2171#L510-5 strlen_#res#1 := strlen_~i~0#1; 2138#L511 strstr_#t~ret11#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 2139#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 2150#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 2151#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 2157#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 2152#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 2153#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 2156#L510-11 strlen_#res#1 := strlen_~i~0#1; 2159#L511-1 strstr_#t~ret12#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 2149#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 2143#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 2144#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 2169#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 2161#L518-3 [2021-12-21 22:01:48,770 INFO L793 eck$LassoCheckResult]: Loop: 2161#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 2172#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := memcmp_#t~mem7#1 % 256 - memcmp_#t~mem8#1 % 256; 2160#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 2161#L518-3 [2021-12-21 22:01:48,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:48,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1091824948, now seen corresponding path program 1 times [2021-12-21 22:01:48,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:48,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585866719] [2021-12-21 22:01:48,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:48,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:48,791 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:48,809 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:48,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:48,810 INFO L85 PathProgramCache]: Analyzing trace with hash 139186, now seen corresponding path program 1 times [2021-12-21 22:01:48,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:48,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048822772] [2021-12-21 22:01:48,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:48,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:48,817 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:48,823 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:48,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:48,823 INFO L85 PathProgramCache]: Analyzing trace with hash 769802655, now seen corresponding path program 1 times [2021-12-21 22:01:48,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:48,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833753746] [2021-12-21 22:01:48,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:48,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:48,843 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:48,880 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:51,156 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:01:51,157 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:01:51,157 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:01:51,157 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:01:51,157 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:01:51,157 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:51,157 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:01:51,157 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:01:51,157 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration12_Lasso [2021-12-21 22:01:51,157 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:01:51,157 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:01:51,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:51,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:51,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:51,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:51,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:51,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:51,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:51,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:51,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:51,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:51,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:51,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:52,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:01:53,471 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:01:53,471 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:01:53,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:53,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:53,472 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:53,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-21 22:01:53,474 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 [2021-12-21 22:01:53,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:53,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:53,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:53,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:53,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:53,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:53,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:53,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:53,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:53,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:53,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:53,497 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:53,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-21 22:01:53,499 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 [2021-12-21 22:01:53,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:53,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:53,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:53,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:53,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:53,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:53,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:53,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:53,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-12-21 22:01:53,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:53,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:53,522 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:53,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-21 22:01:53,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:01:53,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:53,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:53,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:53,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:53,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:53,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:53,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:53,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:53,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:53,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:53,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:53,547 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:53,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-21 22:01:53,581 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 [2021-12-21 22:01:53,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:53,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:53,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:53,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:53,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:53,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:53,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:53,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:53,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:53,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:53,623 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:53,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-12-21 22:01:53,625 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 [2021-12-21 22:01:53,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:53,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:53,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:53,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:53,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:53,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:53,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:53,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:53,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:53,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:53,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:53,649 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:53,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-12-21 22:01:53,651 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 [2021-12-21 22:01:53,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:53,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:53,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:53,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:53,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:53,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:53,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:53,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:53,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-12-21 22:01:53,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:53,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:53,675 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:53,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-12-21 22:01:53,677 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 [2021-12-21 22:01:53,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:53,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:53,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:53,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:53,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:53,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:53,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:53,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:53,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:53,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:53,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:53,700 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:01:53,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-12-21 22:01:53,703 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 [2021-12-21 22:01:53,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:53,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:53,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:53,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:53,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:53,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:53,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:53,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:53,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:53,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:53,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:53,726 INFO L229 MonitoredProcess]: Starting monitored process 87 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) [2021-12-21 22:01:53,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-12-21 22:01:53,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:01:53,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:53,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:53,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:53,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:53,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:53,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:53,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:53,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:53,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:53,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:53,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:53,752 INFO L229 MonitoredProcess]: Starting monitored process 88 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) [2021-12-21 22:01:53,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-12-21 22:01:53,753 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 [2021-12-21 22:01:53,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:53,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:53,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:53,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:53,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:53,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:53,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:53,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:53,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-12-21 22:01:53,776 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:53,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:53,777 INFO L229 MonitoredProcess]: Starting monitored process 89 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) [2021-12-21 22:01:53,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-12-21 22:01:53,779 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 [2021-12-21 22:01:53,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:53,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:01:53,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:53,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:53,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:53,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:01:53,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:01:53,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:53,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:53,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:53,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:53,802 INFO L229 MonitoredProcess]: Starting monitored process 90 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) [2021-12-21 22:01:53,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-12-21 22:01:53,804 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 [2021-12-21 22:01:53,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:53,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:53,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:53,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:53,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:53,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:53,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:01:53,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:53,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:53,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:53,829 INFO L229 MonitoredProcess]: Starting monitored process 91 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) [2021-12-21 22:01:53,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-12-21 22:01:53,831 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 [2021-12-21 22:01:53,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:01:53,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:01:53,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:01:53,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:01:53,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:01:53,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:01:53,874 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:01:53,918 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2021-12-21 22:01:53,918 INFO L444 ModelExtractionUtils]: 39 out of 85 variables were initially zero. Simplification set additionally 43 variables to zero. [2021-12-21 22:01:53,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:53,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:53,919 INFO L229 MonitoredProcess]: Starting monitored process 92 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) [2021-12-21 22:01:53,923 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:01:53,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-12-21 22:01:53,944 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-21 22:01:53,944 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:01:53,944 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc24#1.base)_5, ULTIMATE.start_memcmp_~d~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc24#1.base)_5 - 1*ULTIMATE.start_memcmp_~d~0#1.offset Supporting invariants [] [2021-12-21 22:01:53,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:54,118 INFO L297 tatePredicateManager]: 50 out of 53 supporting invariants were superfluous and have been removed [2021-12-21 22:01:54,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:54,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-12-21 22:01:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:54,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 44 conjunts are in the unsatisfiable core [2021-12-21 22:01:54,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:01:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:54,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-21 22:01:54,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:01:54,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:01:54,578 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2021-12-21 22:01:54,578 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 15 Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:01:54,786 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 15. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 102 states and 123 transitions. Complement of second has 16 states. [2021-12-21 22:01:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 9 stem states 2 non-accepting loop states 2 accepting loop states [2021-12-21 22:01:54,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:01:54,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 59 transitions. [2021-12-21 22:01:54,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 32 letters. Loop has 3 letters. [2021-12-21 22:01:54,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:01:54,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 35 letters. Loop has 3 letters. [2021-12-21 22:01:54,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:01:54,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 32 letters. Loop has 6 letters. [2021-12-21 22:01:54,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:01:54,788 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 123 transitions. [2021-12-21 22:01:54,789 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-21 22:01:54,790 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 80 states and 97 transitions. [2021-12-21 22:01:54,790 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-12-21 22:01:54,790 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2021-12-21 22:01:54,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 80 states and 97 transitions. [2021-12-21 22:01:54,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:01:54,791 INFO L681 BuchiCegarLoop]: Abstraction has 80 states and 97 transitions. [2021-12-21 22:01:54,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states and 97 transitions. [2021-12-21 22:01:54,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 51. [2021-12-21 22:01:54,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 50 states have internal predecessors, (62), 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) [2021-12-21 22:01:54,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2021-12-21 22:01:54,792 INFO L704 BuchiCegarLoop]: Abstraction has 51 states and 62 transitions. [2021-12-21 22:01:54,792 INFO L587 BuchiCegarLoop]: Abstraction has 51 states and 62 transitions. [2021-12-21 22:01:54,793 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-12-21 22:01:54,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 62 transitions. [2021-12-21 22:01:54,793 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-21 22:01:54,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:01:54,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:01:54,794 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:01:54,794 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:01:54,794 INFO L791 eck$LassoCheckResult]: Stem: 2691#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2669#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 2670#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 2655#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 2656#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2657#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 2658#L544-4 call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 2666#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 2659#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);call write~int(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 2660#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 2661#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 2662#L552-4 call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 2663#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 2671#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 2672#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 2684#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 2673#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 2674#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 2697#L510-5 strlen_#res#1 := strlen_~i~0#1; 2664#L511 strstr_#t~ret11#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 2665#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 2676#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 2677#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 2681#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 2678#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 2679#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 2680#L510-11 strlen_#res#1 := strlen_~i~0#1; 2685#L511-1 strstr_#t~ret12#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 2675#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 2667#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 2668#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 2705#L533 assume !strstr_#t~short17#1; 2689#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 2690#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 2693#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 2694#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 2687#L518-3 [2021-12-21 22:01:54,794 INFO L793 eck$LassoCheckResult]: Loop: 2687#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 2698#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := memcmp_#t~mem7#1 % 256 - memcmp_#t~mem8#1 % 256; 2686#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 2687#L518-3 [2021-12-21 22:01:54,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:54,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1883884272, now seen corresponding path program 1 times [2021-12-21 22:01:54,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:54,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750370217] [2021-12-21 22:01:54,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:54,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:54,904 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-21 22:01:54,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:01:54,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750370217] [2021-12-21 22:01:54,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750370217] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 22:01:54,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772075685] [2021-12-21 22:01:54,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:54,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 22:01:54,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:54,907 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 22:01:54,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (93)] Waiting until timeout for monitored process [2021-12-21 22:01:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:54,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 60 conjunts are in the unsatisfiable core [2021-12-21 22:01:54,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:01:55,069 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-21 22:01:55,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 22:01:55,521 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 22:01:55,522 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 1 case distinctions, treesize of input 45 treesize of output 21 [2021-12-21 22:01:55,538 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-21 22:01:55,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 22:01:55,860 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 49 [2021-12-21 22:01:55,865 INFO L353 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-21 22:01:55,865 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 54 treesize of output 1 [2021-12-21 22:01:55,873 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-21 22:01:55,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772075685] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 22:01:55,874 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 22:01:55,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 11] total 33 [2021-12-21 22:01:55,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821375153] [2021-12-21 22:01:55,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 22:01:55,874 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-21 22:01:55,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:55,875 INFO L85 PathProgramCache]: Analyzing trace with hash 139186, now seen corresponding path program 2 times [2021-12-21 22:01:55,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:55,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439819335] [2021-12-21 22:01:55,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:55,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:55,879 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:55,882 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:55,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 22:01:55,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-12-21 22:01:55,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=939, Unknown=0, NotChecked=0, Total=1056 [2021-12-21 22:01:55,968 INFO L87 Difference]: Start difference. First operand 51 states and 62 transitions. cyclomatic complexity: 18 Second operand has 33 states, 33 states have (on average 2.8484848484848486) internal successors, (94), 33 states have internal predecessors, (94), 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) [2021-12-21 22:01:57,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 22:01:57,808 INFO L93 Difference]: Finished difference Result 210 states and 253 transitions. [2021-12-21 22:01:57,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-12-21 22:01:57,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 210 states and 253 transitions. [2021-12-21 22:01:57,811 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2021-12-21 22:01:57,811 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 210 states to 189 states and 229 transitions. [2021-12-21 22:01:57,811 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2021-12-21 22:01:57,812 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2021-12-21 22:01:57,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 189 states and 229 transitions. [2021-12-21 22:01:57,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:01:57,813 INFO L681 BuchiCegarLoop]: Abstraction has 189 states and 229 transitions. [2021-12-21 22:01:57,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states and 229 transitions. [2021-12-21 22:01:57,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 83. [2021-12-21 22:01:57,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 1.1927710843373494) internal successors, (99), 82 states have internal predecessors, (99), 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) [2021-12-21 22:01:57,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 99 transitions. [2021-12-21 22:01:57,822 INFO L704 BuchiCegarLoop]: Abstraction has 83 states and 99 transitions. [2021-12-21 22:01:57,822 INFO L587 BuchiCegarLoop]: Abstraction has 83 states and 99 transitions. [2021-12-21 22:01:57,822 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-12-21 22:01:57,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 99 transitions. [2021-12-21 22:01:57,822 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-21 22:01:57,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:01:57,822 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:01:57,826 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:01:57,826 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:01:57,826 INFO L791 eck$LassoCheckResult]: Stem: 3298#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3270#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 3271#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 3256#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 3257#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3258#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 3259#L544-4 call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 3267#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 3260#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);call write~int(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 3261#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 3262#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 3263#L552-4 call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 3264#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 3272#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 3273#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 3306#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 3274#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 3276#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 3314#L510-5 strlen_#res#1 := strlen_~i~0#1; 3315#L511 strstr_#t~ret11#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 3289#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 3290#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 3317#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 3316#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 3280#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 3281#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 3286#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 3303#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 3284#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 3285#L510-11 strlen_#res#1 := strlen_~i~0#1; 3291#L511-1 strstr_#t~ret12#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 3277#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 3268#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 3269#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 3310#L533 assume !strstr_#t~short17#1; 3296#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 3297#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 3318#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 3301#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 3293#L518-3 [2021-12-21 22:01:57,826 INFO L793 eck$LassoCheckResult]: Loop: 3293#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 3307#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := memcmp_#t~mem7#1 % 256 - memcmp_#t~mem8#1 % 256; 3292#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 3293#L518-3 [2021-12-21 22:01:57,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:57,827 INFO L85 PathProgramCache]: Analyzing trace with hash 866645995, now seen corresponding path program 2 times [2021-12-21 22:01:57,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:57,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527042091] [2021-12-21 22:01:57,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:57,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:01:58,151 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-21 22:01:58,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:01:58,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527042091] [2021-12-21 22:01:58,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527042091] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 22:01:58,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053967318] [2021-12-21 22:01:58,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-21 22:01:58,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 22:01:58,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:58,167 INFO L229 MonitoredProcess]: Starting monitored process 94 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 22:01:58,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Waiting until timeout for monitored process [2021-12-21 22:01:58,255 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-21 22:01:58,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 22:01:58,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 68 conjunts are in the unsatisfiable core [2021-12-21 22:01:58,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:01:58,307 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-21 22:01:58,344 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-21 22:01:58,344 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2021-12-21 22:01:58,402 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-21 22:01:58,403 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 24 [2021-12-21 22:01:58,641 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-21 22:01:58,672 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-21 22:01:58,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 22:01:58,932 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_297 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc24#1.base_182| Int)) (or (= (select (select (store |c_#memory_int| |v_ULTIMATE.start_main_#t~malloc24#1.base_182| v_ArrVal_297) |c_ULTIMATE.start_main_~hay~0#1.base|) (+ |c_ULTIMATE.start_main_~hay~0#1.offset| 1)) 0) (not (= 0 (select v_ArrVal_297 1))))) is different from false [2021-12-21 22:01:58,941 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 22:01:58,941 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 1 case distinctions, treesize of input 23 treesize of output 24 [2021-12-21 22:01:58,946 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 22:01:58,946 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 37 treesize of output 37 [2021-12-21 22:01:58,952 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 22:01:58,952 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 18 treesize of output 22 [2021-12-21 22:01:59,109 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 22:01:59,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053967318] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 22:01:59,109 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 22:01:59,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 15] total 37 [2021-12-21 22:01:59,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605113582] [2021-12-21 22:01:59,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 22:01:59,110 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-21 22:01:59,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:01:59,110 INFO L85 PathProgramCache]: Analyzing trace with hash 139186, now seen corresponding path program 3 times [2021-12-21 22:01:59,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:01:59,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590480400] [2021-12-21 22:01:59,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:01:59,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:01:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:59,116 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:01:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:01:59,119 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:01:59,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 22:01:59,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-12-21 22:01:59,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1149, Unknown=6, NotChecked=68, Total=1332 [2021-12-21 22:01:59,214 INFO L87 Difference]: Start difference. First operand 83 states and 99 transitions. cyclomatic complexity: 24 Second operand has 37 states, 37 states have (on average 2.2162162162162162) internal successors, (82), 37 states have internal predecessors, (82), 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) [2021-12-21 22:01:59,289 WARN L838 $PredicateComparison]: unable to prove that (and (<= 2 |c_ULTIMATE.start_main_~in_len~0#1|) (<= |c_ULTIMATE.start_main_~i~2#1| 1) (= |c_ULTIMATE.start_main_~hay~0#1.offset| 0) (= (+ (- 1) |c_ULTIMATE.start_main_~hay~0#1.offset| |c_ULTIMATE.start_main_~in_len~0#1|) 1) (forall ((v_ArrVal_297 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc24#1.base_182| Int)) (or (= (select (select (store |c_#memory_int| |v_ULTIMATE.start_main_#t~malloc24#1.base_182| v_ArrVal_297) |c_ULTIMATE.start_main_~hay~0#1.base|) (+ |c_ULTIMATE.start_main_~hay~0#1.offset| 1)) 0) (not (= 0 (select v_ArrVal_297 1))))) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~hay~0#1.base|) 1) 0)) is different from false [2021-12-21 22:02:00,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 22:02:00,289 INFO L93 Difference]: Finished difference Result 209 states and 246 transitions. [2021-12-21 22:02:00,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-12-21 22:02:00,289 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 246 transitions. [2021-12-21 22:02:00,290 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-12-21 22:02:00,291 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 196 states and 231 transitions. [2021-12-21 22:02:00,291 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 78 [2021-12-21 22:02:00,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 84 [2021-12-21 22:02:00,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 196 states and 231 transitions. [2021-12-21 22:02:00,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:02:00,291 INFO L681 BuchiCegarLoop]: Abstraction has 196 states and 231 transitions. [2021-12-21 22:02:00,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states and 231 transitions. [2021-12-21 22:02:00,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 115. [2021-12-21 22:02:00,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 115 states have (on average 1.173913043478261) internal successors, (135), 114 states have internal predecessors, (135), 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) [2021-12-21 22:02:00,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2021-12-21 22:02:00,293 INFO L704 BuchiCegarLoop]: Abstraction has 115 states and 135 transitions. [2021-12-21 22:02:00,293 INFO L587 BuchiCegarLoop]: Abstraction has 115 states and 135 transitions. [2021-12-21 22:02:00,293 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-12-21 22:02:00,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states and 135 transitions. [2021-12-21 22:02:00,293 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-21 22:02:00,294 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:02:00,294 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:02:00,294 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:02:00,294 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:02:00,294 INFO L791 eck$LassoCheckResult]: Stem: 3913#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3884#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 3885#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 3869#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 3870#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3871#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 3873#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3874#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 3882#L544-4 call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 3883#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 3875#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);call write~int(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 3876#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 3877#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 3878#L552-4 call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 3879#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 3888#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 3889#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 3923#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 3950#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 3951#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 3928#L510-5 strlen_#res#1 := strlen_~i~0#1; 3929#L511 strstr_#t~ret11#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 3903#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 3893#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 3894#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 3899#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 3895#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 3896#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 3980#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 3979#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 3978#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 3977#L510-11 strlen_#res#1 := strlen_~i~0#1; 3976#L511-1 strstr_#t~ret12#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 3975#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 3974#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 3973#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 3972#L533 assume !strstr_#t~short17#1; 3960#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 3958#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 3957#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 3915#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 3908#L518-3 [2021-12-21 22:02:00,294 INFO L793 eck$LassoCheckResult]: Loop: 3908#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 3924#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := memcmp_#t~mem7#1 % 256 - memcmp_#t~mem8#1 % 256; 3907#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 3908#L518-3 [2021-12-21 22:02:00,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:00,294 INFO L85 PathProgramCache]: Analyzing trace with hash -957212723, now seen corresponding path program 3 times [2021-12-21 22:02:00,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:00,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447393729] [2021-12-21 22:02:00,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:00,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:00,310 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:00,327 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:00,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:00,329 INFO L85 PathProgramCache]: Analyzing trace with hash 139186, now seen corresponding path program 4 times [2021-12-21 22:02:00,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:00,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365160982] [2021-12-21 22:02:00,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:00,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:00,334 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:00,336 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:00,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:00,337 INFO L85 PathProgramCache]: Analyzing trace with hash -2036243354, now seen corresponding path program 1 times [2021-12-21 22:02:00,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:00,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978992844] [2021-12-21 22:02:00,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:00,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:00,354 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:00,373 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:03,481 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:02:03,481 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:02:03,481 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:02:03,481 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:02:03,481 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:02:03,481 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:03,481 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:02:03,481 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:02:03,481 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration15_Lasso [2021-12-21 22:02:03,481 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:02:03,482 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:02:03,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:03,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:05,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:05,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:05,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:05,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:05,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:05,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:05,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:05,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:05,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:06,901 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:02:06,901 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:02:06,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:06,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:06,902 INFO L229 MonitoredProcess]: Starting monitored process 95 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) [2021-12-21 22:02:06,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-12-21 22:02:06,905 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 [2021-12-21 22:02:06,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:06,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:06,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:06,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:06,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:06,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:06,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:06,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:06,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-12-21 22:02:06,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:06,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:06,927 INFO L229 MonitoredProcess]: Starting monitored process 96 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) [2021-12-21 22:02:06,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-12-21 22:02:06,929 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 [2021-12-21 22:02:06,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:06,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:06,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:06,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:06,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:06,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:06,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:06,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:06,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-12-21 22:02:06,951 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:06,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:06,952 INFO L229 MonitoredProcess]: Starting monitored process 97 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) [2021-12-21 22:02:06,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-12-21 22:02:06,953 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 [2021-12-21 22:02:06,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:06,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:06,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:06,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:06,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:06,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:06,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:06,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:06,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-12-21 22:02:06,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:06,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:06,977 INFO L229 MonitoredProcess]: Starting monitored process 98 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) [2021-12-21 22:02:06,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-12-21 22:02:06,979 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 [2021-12-21 22:02:06,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:06,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:06,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:06,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:06,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:06,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:06,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:06,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:07,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,003 INFO L229 MonitoredProcess]: Starting monitored process 99 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) [2021-12-21 22:02:07,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-12-21 22:02:07,005 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 [2021-12-21 22:02:07,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-12-21 22:02:07,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,028 INFO L229 MonitoredProcess]: Starting monitored process 100 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) [2021-12-21 22:02:07,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-12-21 22:02:07,030 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 [2021-12-21 22:02:07,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-12-21 22:02:07,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,053 INFO L229 MonitoredProcess]: Starting monitored process 101 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) [2021-12-21 22:02:07,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-12-21 22:02:07,054 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 [2021-12-21 22:02:07,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-12-21 22:02:07,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,077 INFO L229 MonitoredProcess]: Starting monitored process 102 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) [2021-12-21 22:02:07,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-12-21 22:02:07,079 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 [2021-12-21 22:02:07,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:07,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:07,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:07,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,121 INFO L229 MonitoredProcess]: Starting monitored process 103 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) [2021-12-21 22:02:07,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-12-21 22:02:07,123 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 [2021-12-21 22:02:07,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-12-21 22:02:07,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,147 INFO L229 MonitoredProcess]: Starting monitored process 104 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) [2021-12-21 22:02:07,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-12-21 22:02:07,149 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 [2021-12-21 22:02:07,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-12-21 22:02:07,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,172 INFO L229 MonitoredProcess]: Starting monitored process 105 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) [2021-12-21 22:02:07,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-12-21 22:02:07,173 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 [2021-12-21 22:02:07,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:07,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,197 INFO L229 MonitoredProcess]: Starting monitored process 106 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) [2021-12-21 22:02:07,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-12-21 22:02:07,198 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 [2021-12-21 22:02:07,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-12-21 22:02:07,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,221 INFO L229 MonitoredProcess]: Starting monitored process 107 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) [2021-12-21 22:02:07,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-12-21 22:02:07,223 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 [2021-12-21 22:02:07,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:07,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,246 INFO L229 MonitoredProcess]: Starting monitored process 108 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) [2021-12-21 22:02:07,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-12-21 22:02:07,247 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 [2021-12-21 22:02:07,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:07,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:07,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:07,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,281 INFO L229 MonitoredProcess]: Starting monitored process 109 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) [2021-12-21 22:02:07,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-12-21 22:02:07,283 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 [2021-12-21 22:02:07,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-12-21 22:02:07,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,306 INFO L229 MonitoredProcess]: Starting monitored process 110 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) [2021-12-21 22:02:07,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-12-21 22:02:07,308 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 [2021-12-21 22:02:07,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:07,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,332 INFO L229 MonitoredProcess]: Starting monitored process 111 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) [2021-12-21 22:02:07,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-12-21 22:02:07,334 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 [2021-12-21 22:02:07,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-12-21 22:02:07,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,357 INFO L229 MonitoredProcess]: Starting monitored process 112 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) [2021-12-21 22:02:07,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-12-21 22:02:07,359 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 [2021-12-21 22:02:07,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:07,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,399 INFO L229 MonitoredProcess]: Starting monitored process 113 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) [2021-12-21 22:02:07,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-12-21 22:02:07,401 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 [2021-12-21 22:02:07,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:07,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:07,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-12-21 22:02:07,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,425 INFO L229 MonitoredProcess]: Starting monitored process 114 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) [2021-12-21 22:02:07,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-12-21 22:02:07,427 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 [2021-12-21 22:02:07,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,449 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-12-21 22:02:07,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,450 INFO L229 MonitoredProcess]: Starting monitored process 115 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) [2021-12-21 22:02:07,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-12-21 22:02:07,451 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 [2021-12-21 22:02:07,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2021-12-21 22:02:07,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,475 INFO L229 MonitoredProcess]: Starting monitored process 116 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) [2021-12-21 22:02:07,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-12-21 22:02:07,477 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 [2021-12-21 22:02:07,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:07,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,500 INFO L229 MonitoredProcess]: Starting monitored process 117 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) [2021-12-21 22:02:07,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-12-21 22:02:07,501 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 [2021-12-21 22:02:07,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:07,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:07,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-12-21 22:02:07,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,526 INFO L229 MonitoredProcess]: Starting monitored process 118 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) [2021-12-21 22:02:07,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-12-21 22:02:07,528 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 [2021-12-21 22:02:07,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,551 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2021-12-21 22:02:07,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,552 INFO L229 MonitoredProcess]: Starting monitored process 119 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) [2021-12-21 22:02:07,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-12-21 22:02:07,553 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 [2021-12-21 22:02:07,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:07,560 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:07,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-12-21 22:02:07,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,578 INFO L229 MonitoredProcess]: Starting monitored process 120 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) [2021-12-21 22:02:07,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-12-21 22:02:07,580 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 [2021-12-21 22:02:07,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-12-21 22:02:07,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,602 INFO L229 MonitoredProcess]: Starting monitored process 121 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) [2021-12-21 22:02:07,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-12-21 22:02:07,604 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 [2021-12-21 22:02:07,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:07,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:07,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2021-12-21 22:02:07,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,630 INFO L229 MonitoredProcess]: Starting monitored process 122 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) [2021-12-21 22:02:07,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-12-21 22:02:07,632 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 [2021-12-21 22:02:07,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:07,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:07,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:07,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,656 INFO L229 MonitoredProcess]: Starting monitored process 123 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) [2021-12-21 22:02:07,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-12-21 22:02:07,657 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 [2021-12-21 22:02:07,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:07,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:07,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:07,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,705 INFO L229 MonitoredProcess]: Starting monitored process 124 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) [2021-12-21 22:02:07,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-12-21 22:02:07,707 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 [2021-12-21 22:02:07,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:07,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:07,755 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:02:07,804 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2021-12-21 22:02:07,804 INFO L444 ModelExtractionUtils]: 36 out of 82 variables were initially zero. Simplification set additionally 39 variables to zero. [2021-12-21 22:02:07,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,805 INFO L229 MonitoredProcess]: Starting monitored process 125 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) [2021-12-21 22:02:07,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-12-21 22:02:07,807 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:02:07,845 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-21 22:02:07,845 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:02:07,846 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~needle~0#1.base)_4, ULTIMATE.start_memcmp_~d~0#1.offset) = 3*v_rep(select #length ULTIMATE.start_main_~needle~0#1.base)_4 - 2*ULTIMATE.start_memcmp_~d~0#1.offset Supporting invariants [3*ULTIMATE.start_memcmp_~s~0#1.offset - 2*ULTIMATE.start_strstr_~needle#1.offset + 2*ULTIMATE.start_strstr_~haystack#1.offset - 2*ULTIMATE.start_memcmp_~d~0#1.offset >= 0] [2021-12-21 22:02:07,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:08,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:08,185 INFO L297 tatePredicateManager]: 76 out of 81 supporting invariants were superfluous and have been removed [2021-12-21 22:02:08,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:08,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 39 conjunts are in the unsatisfiable core [2021-12-21 22:02:08,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:08,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-21 22:02:08,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:08,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:02:08,715 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2021-12-21 22:02:08,715 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 115 states and 135 transitions. cyclomatic complexity: 30 Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 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) [2021-12-21 22:02:08,892 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 115 states and 135 transitions. cyclomatic complexity: 30. Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 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 158 states and 187 transitions. Complement of second has 14 states. [2021-12-21 22:02:08,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 7 stem states 2 non-accepting loop states 2 accepting loop states [2021-12-21 22:02:08,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 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) [2021-12-21 22:02:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 56 transitions. [2021-12-21 22:02:08,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 56 transitions. Stem has 41 letters. Loop has 3 letters. [2021-12-21 22:02:08,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:08,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 56 transitions. Stem has 44 letters. Loop has 3 letters. [2021-12-21 22:02:08,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:08,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 56 transitions. Stem has 41 letters. Loop has 6 letters. [2021-12-21 22:02:08,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:08,894 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 158 states and 187 transitions. [2021-12-21 22:02:08,895 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-21 22:02:08,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 158 states to 145 states and 172 transitions. [2021-12-21 22:02:08,896 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2021-12-21 22:02:08,896 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 58 [2021-12-21 22:02:08,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 172 transitions. [2021-12-21 22:02:08,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:02:08,896 INFO L681 BuchiCegarLoop]: Abstraction has 145 states and 172 transitions. [2021-12-21 22:02:08,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 172 transitions. [2021-12-21 22:02:08,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 119. [2021-12-21 22:02:08,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 119 states have (on average 1.1764705882352942) internal successors, (140), 118 states have internal predecessors, (140), 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) [2021-12-21 22:02:08,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 140 transitions. [2021-12-21 22:02:08,898 INFO L704 BuchiCegarLoop]: Abstraction has 119 states and 140 transitions. [2021-12-21 22:02:08,898 INFO L587 BuchiCegarLoop]: Abstraction has 119 states and 140 transitions. [2021-12-21 22:02:08,898 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-12-21 22:02:08,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states and 140 transitions. [2021-12-21 22:02:08,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-21 22:02:08,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:02:08,899 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:02:08,899 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:02:08,899 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:02:08,899 INFO L791 eck$LassoCheckResult]: Stem: 4696#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4667#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 4668#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 4653#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 4654#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4655#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 4656#L544-4 call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 4730#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 4729#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);call write~int(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 4728#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 4726#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 4725#L552-4 call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 4724#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 4723#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 4722#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 4721#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 4720#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 4718#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 4719#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 4717#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 4716#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 4715#L510-5 strlen_#res#1 := strlen_~i~0#1; 4714#L511 strstr_#t~ret11#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 4713#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 4712#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 4711#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 4701#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 4702#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 4682#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 4683#L510-11 strlen_#res#1 := strlen_~i~0#1; 4689#L511-1 strstr_#t~ret12#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 4675#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 4669#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 4670#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 4709#L533 assume !strstr_#t~short17#1; 4694#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 4695#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 4697#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 4699#L533 assume !strstr_#t~short17#1; 4700#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 4746#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 4745#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 4698#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 4691#L518-3 [2021-12-21 22:02:08,900 INFO L793 eck$LassoCheckResult]: Loop: 4691#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 4706#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := memcmp_#t~mem7#1 % 256 - memcmp_#t~mem8#1 % 256; 4690#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 4691#L518-3 [2021-12-21 22:02:08,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:08,900 INFO L85 PathProgramCache]: Analyzing trace with hash 288135783, now seen corresponding path program 4 times [2021-12-21 22:02:08,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:08,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481951404] [2021-12-21 22:02:08,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:08,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:08,969 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-21 22:02:08,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:02:08,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481951404] [2021-12-21 22:02:08,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481951404] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 22:02:08,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215695746] [2021-12-21 22:02:08,969 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-21 22:02:08,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 22:02:08,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:08,970 INFO L229 MonitoredProcess]: Starting monitored process 126 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 22:02:08,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (126)] Waiting until timeout for monitored process [2021-12-21 22:02:09,040 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-21 22:02:09,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 22:02:09,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-21 22:02:09,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:09,062 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 6 treesize of output 5 [2021-12-21 22:02:09,191 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-21 22:02:09,191 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 22:02:09,290 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-21 22:02:09,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215695746] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 22:02:09,291 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 22:02:09,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 18 [2021-12-21 22:02:09,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048867318] [2021-12-21 22:02:09,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 22:02:09,291 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-21 22:02:09,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:09,291 INFO L85 PathProgramCache]: Analyzing trace with hash 139186, now seen corresponding path program 5 times [2021-12-21 22:02:09,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:09,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775835419] [2021-12-21 22:02:09,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:09,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:09,296 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:09,298 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:09,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 22:02:09,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-21 22:02:09,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-12-21 22:02:09,396 INFO L87 Difference]: Start difference. First operand 119 states and 140 transitions. cyclomatic complexity: 31 Second operand has 18 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 18 states have internal predecessors, (57), 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) [2021-12-21 22:02:09,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 22:02:09,514 INFO L93 Difference]: Finished difference Result 165 states and 194 transitions. [2021-12-21 22:02:09,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 22:02:09,514 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 165 states and 194 transitions. [2021-12-21 22:02:09,515 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-21 22:02:09,516 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 165 states to 153 states and 182 transitions. [2021-12-21 22:02:09,516 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 62 [2021-12-21 22:02:09,516 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2021-12-21 22:02:09,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 153 states and 182 transitions. [2021-12-21 22:02:09,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:02:09,516 INFO L681 BuchiCegarLoop]: Abstraction has 153 states and 182 transitions. [2021-12-21 22:02:09,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states and 182 transitions. [2021-12-21 22:02:09,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 110. [2021-12-21 22:02:09,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 110 states have (on average 1.1818181818181819) internal successors, (130), 109 states have internal predecessors, (130), 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) [2021-12-21 22:02:09,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 130 transitions. [2021-12-21 22:02:09,518 INFO L704 BuchiCegarLoop]: Abstraction has 110 states and 130 transitions. [2021-12-21 22:02:09,518 INFO L587 BuchiCegarLoop]: Abstraction has 110 states and 130 transitions. [2021-12-21 22:02:09,518 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-12-21 22:02:09,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states and 130 transitions. [2021-12-21 22:02:09,518 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-21 22:02:09,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:02:09,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:02:09,518 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:02:09,518 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:02:09,519 INFO L791 eck$LassoCheckResult]: Stem: 5262#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5236#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 5237#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 5218#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 5219#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 5220#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 5221#L544-4 call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 5286#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 5224#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);call write~int(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 5225#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 5226#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);call write~int(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 5227#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 5304#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 5303#L552-4 call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 5302#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 5238#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 5239#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 5254#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 5240#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 5241#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 5297#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 5298#L510-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 5322#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 5321#L510-5 strlen_#res#1 := strlen_~i~0#1; 5320#L511 strstr_#t~ret11#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 5319#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 5318#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 5317#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 5316#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 5315#L510-10 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 5314#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 5313#L510-11 strlen_#res#1 := strlen_~i~0#1; 5312#L511-1 strstr_#t~ret12#1 := strlen_#res#1;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 5311#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 5310#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 5309#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 5308#L533 assume !strstr_#t~short17#1; 5268#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 5263#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 5264#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 5276#L533 assume !strstr_#t~short17#1; 5290#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 5288#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 5287#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 5265#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 5258#L518-3 [2021-12-21 22:02:09,519 INFO L793 eck$LassoCheckResult]: Loop: 5258#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 5273#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := memcmp_#t~mem7#1 % 256 - memcmp_#t~mem8#1 % 256; 5257#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 5258#L518-3 [2021-12-21 22:02:09,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:09,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1581786651, now seen corresponding path program 5 times [2021-12-21 22:02:09,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:09,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013118103] [2021-12-21 22:02:09,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:09,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:09,638 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-21 22:02:09,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:02:09,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013118103] [2021-12-21 22:02:09,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013118103] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 22:02:09,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418696013] [2021-12-21 22:02:09,639 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-21 22:02:09,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 22:02:09,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:09,640 INFO L229 MonitoredProcess]: Starting monitored process 127 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 22:02:09,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (127)] Waiting until timeout for monitored process [2021-12-21 22:02:09,744 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-12-21 22:02:09,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 22:02:09,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 50 conjunts are in the unsatisfiable core [2021-12-21 22:02:09,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:09,758 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 6 treesize of output 5 [2021-12-21 22:02:09,825 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-21 22:02:09,825 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 1 case distinctions, treesize of input 12 treesize of output 18 [2021-12-21 22:02:09,904 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-21 22:02:10,209 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-21 22:02:10,209 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 12 treesize of output 9 [2021-12-21 22:02:10,257 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-21 22:02:10,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 22:02:10,445 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2021-12-21 22:02:10,450 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 22:02:10,450 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 22 treesize of output 24