./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrpbrk_diffterm_alloca.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-15/cstrpbrk_diffterm_alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4b11c9964533b446d4a410c2e05b424a11d24fa8de6ca154a41c04142b1e6007 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 22:05:25,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 22:05:25,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 22:05:25,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 22:05:25,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 22:05:25,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 22:05:25,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 22:05:25,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 22:05:25,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 22:05:25,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 22:05:25,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 22:05:25,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 22:05:25,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 22:05:25,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 22:05:25,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 22:05:25,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 22:05:25,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 22:05:25,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 22:05:25,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 22:05:25,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 22:05:25,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 22:05:25,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 22:05:25,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 22:05:25,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 22:05:25,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 22:05:25,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 22:05:25,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 22:05:25,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 22:05:25,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 22:05:25,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 22:05:25,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 22:05:25,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 22:05:25,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 22:05:25,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 22:05:25,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 22:05:25,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 22:05:25,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 22:05:25,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 22:05:25,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 22:05:25,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 22:05:25,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 22:05:25,885 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-21 22:05:25,907 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 22:05:25,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 22:05:25,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 22:05:25,908 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 22:05:25,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 22:05:25,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 22:05:25,909 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 22:05:25,909 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-21 22:05:25,909 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-21 22:05:25,909 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-21 22:05:25,910 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-21 22:05:25,910 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-21 22:05:25,910 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-21 22:05:25,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 22:05:25,910 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 22:05:25,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 22:05:25,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 22:05:25,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-21 22:05:25,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-21 22:05:25,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-21 22:05:25,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 22:05:25,911 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-21 22:05:25,911 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 22:05:25,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-21 22:05:25,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 22:05:25,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 22:05:25,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 22:05:25,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 22:05:25,912 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 22:05:25,913 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-21 22:05:25,913 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b11c9964533b446d4a410c2e05b424a11d24fa8de6ca154a41c04142b1e6007 [2021-12-21 22:05:26,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 22:05:26,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 22:05:26,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 22:05:26,113 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 22:05:26,113 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 22:05:26,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrpbrk_diffterm_alloca.i [2021-12-21 22:05:26,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db8706a0/bdb4c46c8064429c87e1a7d2c001f9e2/FLAG756b525a2 [2021-12-21 22:05:26,707 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 22:05:26,708 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrpbrk_diffterm_alloca.i [2021-12-21 22:05:26,720 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db8706a0/bdb4c46c8064429c87e1a7d2c001f9e2/FLAG756b525a2 [2021-12-21 22:05:27,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db8706a0/bdb4c46c8064429c87e1a7d2c001f9e2 [2021-12-21 22:05:27,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 22:05:27,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 22:05:27,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 22:05:27,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 22:05:27,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 22:05:27,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:05:27" (1/1) ... [2021-12-21 22:05:27,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4542763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:05:27, skipping insertion in model container [2021-12-21 22:05:27,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:05:27" (1/1) ... [2021-12-21 22:05:27,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 22:05:27,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 22:05:27,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:05:27,320 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 22:05:27,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:05:27,378 INFO L208 MainTranslator]: Completed translation [2021-12-21 22:05:27,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:05:27 WrapperNode [2021-12-21 22:05:27,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 22:05:27,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 22:05:27,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 22:05:27,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 22:05:27,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:05:27" (1/1) ... [2021-12-21 22:05:27,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:05:27" (1/1) ... [2021-12-21 22:05:27,416 INFO L137 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2021-12-21 22:05:27,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 22:05:27,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 22:05:27,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 22:05:27,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 22:05:27,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:05:27" (1/1) ... [2021-12-21 22:05:27,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:05:27" (1/1) ... [2021-12-21 22:05:27,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:05:27" (1/1) ... [2021-12-21 22:05:27,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:05:27" (1/1) ... [2021-12-21 22:05:27,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:05:27" (1/1) ... [2021-12-21 22:05:27,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:05:27" (1/1) ... [2021-12-21 22:05:27,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:05:27" (1/1) ... [2021-12-21 22:05:27,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 22:05:27,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 22:05:27,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 22:05:27,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 22:05:27,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:05:27" (1/1) ... [2021-12-21 22:05:27,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:27,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:27,468 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 22:05:27,481 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 22:05:27,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 22:05:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 22:05:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 22:05:27,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 22:05:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 22:05:27,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 22:05:27,577 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 22:05:27,578 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 22:05:27,672 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 22:05:27,676 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 22:05:27,676 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 22:05:27,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:05:27 BoogieIcfgContainer [2021-12-21 22:05:27,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 22:05:27,678 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-21 22:05:27,678 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-21 22:05:27,680 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-21 22:05:27,681 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:05:27,681 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.12 10:05:27" (1/3) ... [2021-12-21 22:05:27,682 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f713d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:05:27, skipping insertion in model container [2021-12-21 22:05:27,682 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:05:27,682 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:05:27" (2/3) ... [2021-12-21 22:05:27,682 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f713d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:05:27, skipping insertion in model container [2021-12-21 22:05:27,682 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:05:27,682 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:05:27" (3/3) ... [2021-12-21 22:05:27,683 INFO L388 chiAutomizerObserver]: Analyzing ICFG cstrpbrk_diffterm_alloca.i [2021-12-21 22:05:27,708 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-21 22:05:27,708 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-21 22:05:27,708 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-21 22:05:27,708 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-21 22:05:27,708 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-21 22:05:27,708 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-21 22:05:27,708 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-21 22:05:27,708 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-21 22:05:27,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:05:27,727 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-21 22:05:27,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:05:27,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:05:27,730 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-21 22:05:27,730 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-21 22:05:27,730 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-21 22:05:27,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:05:27,732 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-21 22:05:27,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:05:27,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:05:27,732 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-21 22:05:27,732 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-21 22:05:27,736 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1.base, main_#t~ret217#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 17#L382true assume !(main_~length1~0#1 < 1); 15#L382-2true assume !(main_~length2~0#1 < 1); 6#L385-1true call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem207#1, cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset, cstrpbrk_#t~mem208#1, cstrpbrk_#t~mem209#1, cstrpbrk_#t~short210#1, cstrpbrk_#t~mem212#1, cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset, cstrpbrk_#t~mem206#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 10#L369-4true [2021-12-21 22:05:27,736 INFO L793 eck$LassoCheckResult]: Loop: 10#L369-4true call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 16#L369-1true assume !!(49 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 8#L372-5true assume !true; 7#L372-6true call cstrpbrk_#t~mem212#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 18#L374true assume !(cstrpbrk_#t~mem212#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem212#1; 11#L369-3true cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post205#1.base, 1 + cstrpbrk_#t~post205#1.offset;havoc cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset; 10#L369-4true [2021-12-21 22:05:27,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:05:27,739 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-12-21 22:05:27,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:05:27,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870636669] [2021-12-21 22:05:27,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:05:27,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:05:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:27,832 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:05:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:27,862 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:05:27,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:05:27,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2021-12-21 22:05:27,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:05:27,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559910315] [2021-12-21 22:05:27,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:05:27,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:05:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:05:27,895 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 22:05:27,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:05:27,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559910315] [2021-12-21 22:05:27,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559910315] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 22:05:27,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 22:05:27,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 22:05:27,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288667416] [2021-12-21 22:05:27,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 22:05:27,899 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-21 22:05:27,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 22:05:27,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 22:05:27,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 22:05:27,927 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:05:27,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 22:05:27,932 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-12-21 22:05:27,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 22:05:27,936 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2021-12-21 22:05:27,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-21 22:05:27,941 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2021-12-21 22:05:27,941 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-12-21 22:05:27,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-12-21 22:05:27,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2021-12-21 22:05:27,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:05:27,943 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-12-21 22:05:27,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2021-12-21 22:05:27,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-12-21 22:05:27,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 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 22:05:27,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2021-12-21 22:05:27,958 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-12-21 22:05:27,958 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-12-21 22:05:27,958 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-21 22:05:27,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2021-12-21 22:05:27,959 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-21 22:05:27,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:05:27,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:05:27,960 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-21 22:05:27,960 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:05:27,960 INFO L791 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 45#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1.base, main_#t~ret217#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 52#L382 assume !(main_~length1~0#1 < 1); 56#L382-2 assume !(main_~length2~0#1 < 1); 46#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem207#1, cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset, cstrpbrk_#t~mem208#1, cstrpbrk_#t~mem209#1, cstrpbrk_#t~short210#1, cstrpbrk_#t~mem212#1, cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset, cstrpbrk_#t~mem206#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 47#L369-4 [2021-12-21 22:05:27,961 INFO L793 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 53#L369-1 assume !!(49 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 50#L372-5 call cstrpbrk_#t~mem208#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := 49 != cstrpbrk_#t~mem208#1; 51#L372-1 assume cstrpbrk_#t~short210#1;call cstrpbrk_#t~mem209#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := cstrpbrk_#t~mem209#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 55#L372-3 assume !cstrpbrk_#t~short210#1;havoc cstrpbrk_#t~mem208#1;havoc cstrpbrk_#t~mem209#1;havoc cstrpbrk_#t~short210#1; 48#L372-6 call cstrpbrk_#t~mem212#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 49#L374 assume !(cstrpbrk_#t~mem212#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem212#1; 54#L369-3 cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post205#1.base, 1 + cstrpbrk_#t~post205#1.offset;havoc cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset; 47#L369-4 [2021-12-21 22:05:27,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:05:27,965 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2021-12-21 22:05:27,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:05:27,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706936679] [2021-12-21 22:05:27,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:05:27,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:05:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:28,010 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:05:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:28,037 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:05:28,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:05:28,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2021-12-21 22:05:28,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:05:28,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158582533] [2021-12-21 22:05:28,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:05:28,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:05:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:28,059 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:05:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:28,083 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:05:28,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:05:28,084 INFO L85 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2021-12-21 22:05:28,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:05:28,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094526053] [2021-12-21 22:05:28,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:05:28,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:05:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:28,126 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:05:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:28,156 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:05:28,717 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:05:28,718 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:05:28,718 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:05:28,718 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:05:28,718 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:05:28,718 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:28,719 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:05:28,719 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:05:28,719 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_diffterm_alloca.i_Iteration2_Lasso [2021-12-21 22:05:28,719 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:05:28,719 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:05:28,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:05:29,072 INFO 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 22:05:29,074 INFO 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 22:05:29,076 INFO 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 22:05:29,078 INFO 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 22:05:29,079 INFO 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 22:05:29,081 INFO 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 22:05:29,082 INFO 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 22:05:29,084 INFO 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 22:05:29,086 INFO 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 22:05:29,087 INFO 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 22:05:29,089 INFO 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 22:05:29,091 INFO 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 22:05:29,092 INFO 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 22:05:29,094 INFO 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 22:05:29,095 INFO 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 22:05:29,097 INFO 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 22:05:29,098 INFO 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 22:05:29,100 INFO 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 22:05:29,101 INFO 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 22:05:29,502 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:05:29,506 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:05:29,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:29,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:29,509 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 22:05:29,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:29,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:29,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:29,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:29,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:29,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:29,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:29,543 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 22:05:29,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:29,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-21 22:05:29,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:29,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:29,588 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 22:05:29,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:05:29,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:29,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:29,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:29,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:29,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:29,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:29,603 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 22:05:29,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:29,629 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 22:05:29,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:29,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:29,630 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 22:05:29,631 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 22:05:29,632 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 22:05:29,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:29,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:29,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:29,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:29,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:29,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:29,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:29,668 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 22:05:29,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:29,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:29,669 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 22:05:29,670 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 22:05:29,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:05:29,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:29,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:29,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:29,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:29,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:29,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:29,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:29,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-21 22:05:29,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:29,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:29,787 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 22:05:29,788 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 22:05:29,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:29,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:29,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:29,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:29,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:29,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:29,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:29,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:29,849 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 22:05:29,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:29,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:29,864 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 22:05:29,865 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 22:05:29,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:29,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:29,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:29,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:29,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:29,873 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:29,874 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:29,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:29,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-21 22:05:29,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:29,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:29,907 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 22:05:29,908 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 22:05:29,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:29,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:29,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:05:29,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:29,916 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-12-21 22:05:29,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:29,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:29,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:05:29,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:29,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-21 22:05:29,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:29,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:29,945 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 22:05:29,946 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 22:05:29,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:29,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:29,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:29,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:29,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:29,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:29,961 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:29,976 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:05:29,988 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-12-21 22:05:29,988 INFO L444 ModelExtractionUtils]: 20 out of 28 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-12-21 22:05:29,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:29,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:29,991 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 22:05:29,992 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 22:05:29,993 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:05:30,014 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-21 22:05:30,014 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:05:30,014 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1, ULTIMATE.start_cstrpbrk_~sc1~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1 - 1*ULTIMATE.start_cstrpbrk_~sc1~0#1.offset Supporting invariants [] [2021-12-21 22:05:30,031 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 22:05:30,049 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2021-12-21 22:05:30,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:05:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:05:30,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 22:05:30,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:05:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:05:30,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:05:30,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:05:30,209 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 22:05:30,211 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 22:05:30,212 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:05:30,269 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 4 states. [2021-12-21 22:05:30,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-21 22:05:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:05:30,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2021-12-21 22:05:30,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2021-12-21 22:05:30,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:05:30,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2021-12-21 22:05:30,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:05:30,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2021-12-21 22:05:30,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:05:30,273 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2021-12-21 22:05:30,274 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-21 22:05:30,275 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2021-12-21 22:05:30,276 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-21 22:05:30,277 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-12-21 22:05:30,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-12-21 22:05:30,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:05:30,278 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-12-21 22:05:30,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-12-21 22:05:30,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-12-21 22:05:30,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:05:30,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-12-21 22:05:30,280 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-12-21 22:05:30,281 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-12-21 22:05:30,281 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-21 22:05:30,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-12-21 22:05:30,282 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-21 22:05:30,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:05:30,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:05:30,282 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:05:30,283 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:05:30,283 INFO L791 eck$LassoCheckResult]: Stem: 178#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 179#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1.base, main_#t~ret217#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 188#L382 assume !(main_~length1~0#1 < 1); 195#L382-2 assume !(main_~length2~0#1 < 1); 180#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem207#1, cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset, cstrpbrk_#t~mem208#1, cstrpbrk_#t~mem209#1, cstrpbrk_#t~short210#1, cstrpbrk_#t~mem212#1, cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset, cstrpbrk_#t~mem206#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 181#L369-4 call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 190#L369-1 assume !!(49 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 184#L372-5 [2021-12-21 22:05:30,283 INFO L793 eck$LassoCheckResult]: Loop: 184#L372-5 call cstrpbrk_#t~mem208#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := 49 != cstrpbrk_#t~mem208#1; 185#L372-1 assume cstrpbrk_#t~short210#1;call cstrpbrk_#t~mem209#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := cstrpbrk_#t~mem209#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 193#L372-3 assume !!cstrpbrk_#t~short210#1;havoc cstrpbrk_#t~mem208#1;havoc cstrpbrk_#t~mem209#1;havoc cstrpbrk_#t~short210#1;cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset := cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_#t~post211#1.base, 1 + cstrpbrk_#t~post211#1.offset;havoc cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset; 184#L372-5 [2021-12-21 22:05:30,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:05:30,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2021-12-21 22:05:30,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:05:30,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090718753] [2021-12-21 22:05:30,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:05:30,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:05:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:30,319 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:05:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:30,336 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:05:30,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:05:30,363 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2021-12-21 22:05:30,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:05:30,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990318696] [2021-12-21 22:05:30,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:05:30,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:05:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:30,386 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:05:30,410 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 22:05:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:30,414 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:05:30,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:05:30,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2021-12-21 22:05:30,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:05:30,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458939966] [2021-12-21 22:05:30,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:05:30,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:05:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:30,440 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:05:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:30,497 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:05:31,131 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:05:31,131 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:05:31,131 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:05:31,131 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:05:31,131 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:05:31,131 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:31,131 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:05:31,131 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:05:31,131 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_diffterm_alloca.i_Iteration3_Lasso [2021-12-21 22:05:31,131 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:05:31,132 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:05:31,139 INFO 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 22:05:31,140 INFO 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 22:05:31,141 INFO 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 22:05:31,142 INFO 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 22:05:31,143 INFO 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 22:05:31,144 INFO 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 22:05:31,148 INFO 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 22:05:31,149 INFO 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 22:05:31,150 INFO 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 22:05:31,531 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 22:05:31,535 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 22:05:31,537 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 22:05:31,538 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 22:05:31,539 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 22:05:31,541 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 22:05:31,542 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 22:05:31,543 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 22:05:31,545 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 22:05:31,547 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 22:05:31,549 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 22:05:31,984 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:05:31,984 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:05:31,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:31,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:31,985 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 22:05:31,988 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 22:05:31,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:31,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:31,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:05:31,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:31,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:31,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:31,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:05:31,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:05:32,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:32,026 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 22:05:32,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:32,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:32,027 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 22:05:32,028 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 22:05:32,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:32,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:32,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:05:32,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:32,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:32,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:32,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:05:32,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:05:32,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:32,059 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 22:05:32,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:32,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:32,060 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 22:05:32,061 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 22:05:32,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:32,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:32,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:05:32,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:32,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:32,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:32,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:05:32,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:05:32,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:32,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-21 22:05:32,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:32,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:32,111 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 22:05:32,112 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 22:05:32,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:32,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:32,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:05:32,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:32,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:32,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:32,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:05:32,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:05:32,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:32,151 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 22:05:32,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:32,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:32,153 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 22:05:32,154 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 22:05:32,167 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 22:05:32,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:32,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:05:32,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:32,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:32,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:32,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:05:32,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:05:32,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:32,190 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 22:05:32,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:32,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:32,191 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 22:05:32,192 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 22:05:32,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:05:32,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:32,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:32,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:32,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:32,201 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:32,201 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:32,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:32,232 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 22:05:32,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:32,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:32,233 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 22:05:32,234 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 22:05:32,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:32,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:32,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:05:32,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:32,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:32,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:32,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:05:32,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:05:32,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:32,271 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 22:05:32,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:32,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:32,273 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 22:05:32,274 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 22:05:32,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:05:32,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:32,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:05:32,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:32,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:32,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:32,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:05:32,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:05:32,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:32,311 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 22:05:32,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:32,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:32,313 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 22:05:32,313 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 22:05:32,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:32,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:32,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:32,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:32,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:32,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:32,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:32,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:32,354 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 22:05:32,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:32,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:32,356 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 22:05:32,357 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 22:05:32,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:32,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:32,365 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-21 22:05:32,365 INFO L204 nArgumentSynthesizer]: 7 loop disjuncts [2021-12-21 22:05:32,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:32,411 INFO L401 nArgumentSynthesizer]: We have 140 Motzkin's Theorem applications. [2021-12-21 22:05:32,412 INFO L402 nArgumentSynthesizer]: A total of 14 supporting invariants were added. [2021-12-21 22:05:32,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:32,545 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 22:05:32,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:32,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:32,546 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 22:05:32,547 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 22:05:32,567 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 22:05:32,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:32,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:32,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:32,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:32,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:32,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:32,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:32,600 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 22:05:32,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:32,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:32,602 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 22:05:32,603 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 22:05:32,604 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 22:05:32,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:32,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:32,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:32,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:32,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:32,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:32,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:32,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-21 22:05:32,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:32,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:32,643 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 22:05:32,646 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 22:05:32,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:32,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:32,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:32,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:32,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:32,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:32,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:32,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:32,688 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-21 22:05:32,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:32,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:32,689 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 22:05:32,690 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 22:05:32,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:32,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:32,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:32,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:32,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:32,703 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:32,703 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:32,718 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:05:32,746 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-12-21 22:05:32,746 INFO L444 ModelExtractionUtils]: 33 out of 43 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-12-21 22:05:32,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:32,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:32,748 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 22:05:32,749 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 22:05:32,750 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:05:32,759 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-21 22:05:32,759 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:05:32,759 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc216#1.base)_2) = -1*ULTIMATE.start_cstrpbrk_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216#1.base)_2 Supporting invariants [] [2021-12-21 22:05:32,775 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 22:05:32,804 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2021-12-21 22:05:32,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:05:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:05:32,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 22:05:32,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:05:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:05:32,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:05:32,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:05:32,886 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 22:05:32,887 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-21 22:05:32,887 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:05:32,922 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 57 transitions. Complement of second has 6 states. [2021-12-21 22:05:32,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-21 22:05:32,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:05:32,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-12-21 22:05:32,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2021-12-21 22:05:32,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:05:32,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2021-12-21 22:05:32,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:05:32,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2021-12-21 22:05:32,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:05:32,924 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2021-12-21 22:05:32,925 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-21 22:05:32,925 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2021-12-21 22:05:32,925 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-21 22:05:32,925 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-21 22:05:32,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2021-12-21 22:05:32,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:05:32,925 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2021-12-21 22:05:32,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2021-12-21 22:05:32,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-12-21 22:05:32,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 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 22:05:32,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2021-12-21 22:05:32,927 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-12-21 22:05:32,927 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-12-21 22:05:32,927 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-21 22:05:32,927 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2021-12-21 22:05:32,927 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-21 22:05:32,927 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:05:32,927 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:05:32,928 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:05:32,928 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:05:32,929 INFO L791 eck$LassoCheckResult]: Stem: 350#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 351#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1.base, main_#t~ret217#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 360#L382 assume !(main_~length1~0#1 < 1); 369#L382-2 assume !(main_~length2~0#1 < 1); 352#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem207#1, cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset, cstrpbrk_#t~mem208#1, cstrpbrk_#t~mem209#1, cstrpbrk_#t~short210#1, cstrpbrk_#t~mem212#1, cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset, cstrpbrk_#t~mem206#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 353#L369-4 call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 361#L369-1 assume !!(49 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 370#L372-5 call cstrpbrk_#t~mem208#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := 49 != cstrpbrk_#t~mem208#1; 373#L372-1 assume !cstrpbrk_#t~short210#1; 371#L372-3 assume !cstrpbrk_#t~short210#1;havoc cstrpbrk_#t~mem208#1;havoc cstrpbrk_#t~mem209#1;havoc cstrpbrk_#t~short210#1; 354#L372-6 call cstrpbrk_#t~mem212#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 355#L374 assume !(cstrpbrk_#t~mem212#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem212#1; 365#L369-3 cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post205#1.base, 1 + cstrpbrk_#t~post205#1.offset;havoc cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset; 362#L369-4 call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 364#L369-1 assume !!(49 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 356#L372-5 [2021-12-21 22:05:32,929 INFO L793 eck$LassoCheckResult]: Loop: 356#L372-5 call cstrpbrk_#t~mem208#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := 49 != cstrpbrk_#t~mem208#1; 357#L372-1 assume cstrpbrk_#t~short210#1;call cstrpbrk_#t~mem209#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := cstrpbrk_#t~mem209#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 366#L372-3 assume !!cstrpbrk_#t~short210#1;havoc cstrpbrk_#t~mem208#1;havoc cstrpbrk_#t~mem209#1;havoc cstrpbrk_#t~short210#1;cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset := cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_#t~post211#1.base, 1 + cstrpbrk_#t~post211#1.offset;havoc cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset; 356#L372-5 [2021-12-21 22:05:32,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:05:32,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2021-12-21 22:05:32,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:05:32,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887179725] [2021-12-21 22:05:32,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:05:32,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:05:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:05:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:05:32,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:05:32,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887179725] [2021-12-21 22:05:32,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887179725] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 22:05:32,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 22:05:32,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 22:05:32,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290138953] [2021-12-21 22:05:32,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 22:05:32,972 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-21 22:05:32,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:05:32,972 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2021-12-21 22:05:32,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:05:32,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896859878] [2021-12-21 22:05:32,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:05:32,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:05:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:32,976 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:05:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:32,979 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:05:33,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 22:05:33,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 22:05:33,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-21 22:05:33,055 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 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 22:05:33,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 22:05:33,108 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2021-12-21 22:05:33,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 22:05:33,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2021-12-21 22:05:33,109 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-21 22:05:33,109 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2021-12-21 22:05:33,109 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-21 22:05:33,109 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-21 22:05:33,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2021-12-21 22:05:33,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:05:33,110 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-12-21 22:05:33,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2021-12-21 22:05:33,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2021-12-21 22:05:33,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 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 22:05:33,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2021-12-21 22:05:33,111 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-12-21 22:05:33,111 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-12-21 22:05:33,111 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-21 22:05:33,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2021-12-21 22:05:33,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-21 22:05:33,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:05:33,111 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:05:33,112 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:05:33,112 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:05:33,112 INFO L791 eck$LassoCheckResult]: Stem: 422#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 423#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1.base, main_#t~ret217#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 432#L382 assume !(main_~length1~0#1 < 1); 441#L382-2 assume !(main_~length2~0#1 < 1); 424#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem207#1, cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset, cstrpbrk_#t~mem208#1, cstrpbrk_#t~mem209#1, cstrpbrk_#t~short210#1, cstrpbrk_#t~mem212#1, cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset, cstrpbrk_#t~mem206#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 425#L369-4 call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 433#L369-1 assume !!(49 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 446#L372-5 call cstrpbrk_#t~mem208#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := 49 != cstrpbrk_#t~mem208#1; 445#L372-1 assume cstrpbrk_#t~short210#1;call cstrpbrk_#t~mem209#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := cstrpbrk_#t~mem209#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 443#L372-3 assume !cstrpbrk_#t~short210#1;havoc cstrpbrk_#t~mem208#1;havoc cstrpbrk_#t~mem209#1;havoc cstrpbrk_#t~short210#1; 426#L372-6 call cstrpbrk_#t~mem212#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 427#L374 assume !(cstrpbrk_#t~mem212#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem212#1; 437#L369-3 cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post205#1.base, 1 + cstrpbrk_#t~post205#1.offset;havoc cstrpbrk_#t~post205#1.base, cstrpbrk_#t~post205#1.offset; 434#L369-4 call cstrpbrk_#t~mem206#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 436#L369-1 assume !!(49 != cstrpbrk_#t~mem206#1);havoc cstrpbrk_#t~mem206#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem207#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem207#1;havoc cstrpbrk_#t~mem207#1; 428#L372-5 [2021-12-21 22:05:33,112 INFO L793 eck$LassoCheckResult]: Loop: 428#L372-5 call cstrpbrk_#t~mem208#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := 49 != cstrpbrk_#t~mem208#1; 429#L372-1 assume cstrpbrk_#t~short210#1;call cstrpbrk_#t~mem209#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short210#1 := cstrpbrk_#t~mem209#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 438#L372-3 assume !!cstrpbrk_#t~short210#1;havoc cstrpbrk_#t~mem208#1;havoc cstrpbrk_#t~mem209#1;havoc cstrpbrk_#t~short210#1;cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset := cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_#t~post211#1.base, 1 + cstrpbrk_#t~post211#1.offset;havoc cstrpbrk_#t~post211#1.base, cstrpbrk_#t~post211#1.offset; 428#L372-5 [2021-12-21 22:05:33,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:05:33,112 INFO L85 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2021-12-21 22:05:33,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:05:33,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722998797] [2021-12-21 22:05:33,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:05:33,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:05:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:33,127 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:05:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:33,138 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:05:33,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:05:33,139 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2021-12-21 22:05:33,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:05:33,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66794780] [2021-12-21 22:05:33,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:05:33,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:05:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:33,142 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:05:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:33,145 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:05:33,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:05:33,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2021-12-21 22:05:33,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:05:33,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89409490] [2021-12-21 22:05:33,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:05:33,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:05:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:33,160 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:05:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:05:33,174 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:05:33,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-21 22:05:33,894 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:05:33,895 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:05:33,895 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:05:33,895 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:05:33,895 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:05:33,895 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:33,895 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:05:33,895 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:05:33,895 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_diffterm_alloca.i_Iteration5_Lasso [2021-12-21 22:05:33,895 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:05:33,895 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:05:33,897 INFO 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 22:05:33,899 INFO 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 22:05:33,900 INFO 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 22:05:33,901 INFO 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 22:05:33,902 INFO 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 22:05:33,904 INFO 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 22:05:33,908 INFO 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 22:05:33,909 INFO 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 22:05:33,910 INFO 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 22:05:33,911 INFO 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 22:05:33,913 INFO 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 22:05:33,914 INFO 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 22:05:33,915 INFO 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 22:05:34,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:05:34,370 INFO 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 22:05:34,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:05:34,372 INFO 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 22:05:34,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:05:34,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:05:34,375 INFO 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 22:05:34,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:05:34,983 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:05:34,990 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:05:34,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:34,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:34,994 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 22:05:34,995 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 22:05:34,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:35,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:35,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:35,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:35,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:35,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:35,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:35,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:35,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-21 22:05:35,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:35,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:35,023 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 22:05:35,023 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 22:05:35,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:35,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:35,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:05:35,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:35,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:35,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:35,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:05:35,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:05:35,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:35,049 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 22:05:35,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:35,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:35,050 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 22:05:35,052 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 22:05:35,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:35,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:35,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:05:35,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:35,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:35,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:35,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:05:35,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:05:35,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:35,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-21 22:05:35,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:35,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:35,078 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 22:05:35,080 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 22:05:35,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:35,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:35,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:05:35,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:35,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:35,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:35,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:05:35,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:05:35,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:35,107 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 22:05:35,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:35,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:35,109 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 22:05:35,110 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 22:05:35,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:35,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:35,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:05:35,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:35,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:35,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:35,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:05:35,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:05:35,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:35,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-21 22:05:35,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:35,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:35,143 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 22:05:35,145 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 22:05:35,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:35,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:35,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:35,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:35,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:35,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:35,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:35,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:35,190 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 22:05:35,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:35,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:35,191 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 22:05:35,192 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 22:05:35,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:05:35,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:35,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:05:35,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:35,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:35,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:35,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:05:35,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:05:35,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:35,230 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 22:05:35,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:35,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:35,231 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 22:05:35,232 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 22:05:35,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:05:35,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:35,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:05:35,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:35,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:35,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:35,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:05:35,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:05:35,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:35,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-12-21 22:05:35,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:35,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:35,271 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 22:05:35,272 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 22:05:35,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:35,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:35,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:35,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:35,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:35,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:35,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:35,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:35,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-21 22:05:35,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:35,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:35,315 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 22:05:35,316 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 22:05:35,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:35,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:35,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:05:35,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:35,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:35,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:35,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:05:35,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:05:35,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:35,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-21 22:05:35,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:35,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:35,344 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 22:05:35,345 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 22:05:35,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:35,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:35,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:05:35,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:35,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:35,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:35,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:05:35,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:05:35,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:35,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-21 22:05:35,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:35,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:35,376 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 22:05:35,377 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 22:05:35,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:35,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:35,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:05:35,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:35,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:35,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:35,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:05:35,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:05:35,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:35,401 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 22:05:35,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:35,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:35,402 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 22:05:35,403 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 22:05:35,404 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 22:05:35,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:35,412 INFO L203 nArgumentSynthesizer]: 6 stem disjuncts [2021-12-21 22:05:35,412 INFO L204 nArgumentSynthesizer]: 7 loop disjuncts [2021-12-21 22:05:35,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:35,553 INFO L401 nArgumentSynthesizer]: We have 196 Motzkin's Theorem applications. [2021-12-21 22:05:35,553 INFO L402 nArgumentSynthesizer]: A total of 14 supporting invariants were added. [2021-12-21 22:05:35,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:35,870 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 22:05:35,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:35,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:35,883 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 22:05:35,884 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 22:05:35,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:35,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:35,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:35,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:35,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:35,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:35,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:35,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:35,937 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 22:05:35,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:35,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:35,938 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 22:05:35,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:35,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:35,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:35,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:35,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:35,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:35,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:35,971 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 22:05:35,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:35,993 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 22:05:35,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:35,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:35,994 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 22:05:36,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:36,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:36,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:36,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:36,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:36,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:36,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:36,018 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 22:05:36,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:36,044 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 22:05:36,044 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:36,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:36,045 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 22:05:36,047 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 22:05:36,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:36,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:36,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:36,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:36,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:36,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:36,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:36,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:05:36,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-21 22:05:36,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:36,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:36,087 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 22:05:36,088 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 22:05:36,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:05:36,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:05:36,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:05:36,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:05:36,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:05:36,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:05:36,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:05:36,135 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:05:36,159 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-12-21 22:05:36,159 INFO L444 ModelExtractionUtils]: 10 out of 55 variables were initially zero. Simplification set additionally 42 variables to zero. [2021-12-21 22:05:36,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:05:36,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:05:36,176 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 22:05:36,177 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 22:05:36,178 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:05:36,200 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-21 22:05:36,200 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:05:36,200 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1) = -1*ULTIMATE.start_cstrpbrk_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 Supporting invariants [] [2021-12-21 22:05:36,224 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 22:05:36,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-12-21 22:05:36,326 INFO L297 tatePredicateManager]: 29 out of 30 supporting invariants were superfluous and have been removed [2021-12-21 22:05:36,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:05:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:05:36,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:05:36,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:05:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:05:36,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:05:36,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:05:36,416 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 22:05:36,417 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-21 22:05:36,419 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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 22:05:36,448 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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) Result 41 states and 51 transitions. Complement of second has 6 states. [2021-12-21 22:05:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-21 22:05:36,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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 22:05:36,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-12-21 22:05:36,467 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-12-21 22:05:36,468 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:05:36,468 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-21 22:05:36,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:05:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:05:36,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:05:36,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:05:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:05:36,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:05:36,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:05:36,561 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 22:05:36,562 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-21 22:05:36,562 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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 22:05:36,593 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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) Result 41 states and 51 transitions. Complement of second has 6 states. [2021-12-21 22:05:36,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-21 22:05:36,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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 22:05:36,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-12-21 22:05:36,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-12-21 22:05:36,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:05:36,597 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-21 22:05:36,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:05:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:05:36,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:05:36,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:05:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:05:36,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:05:36,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:05:36,691 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 22:05:36,692 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-21 22:05:36,692 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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 22:05:36,715 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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) Result 41 states and 53 transitions. Complement of second has 5 states. [2021-12-21 22:05:36,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-21 22:05:36,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 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 22:05:36,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-12-21 22:05:36,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2021-12-21 22:05:36,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:05:36,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2021-12-21 22:05:36,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:05:36,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2021-12-21 22:05:36,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:05:36,719 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2021-12-21 22:05:36,722 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-21 22:05:36,728 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2021-12-21 22:05:36,728 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-21 22:05:36,728 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-21 22:05:36,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-21 22:05:36,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:05:36,729 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 22:05:36,729 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 22:05:36,729 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 22:05:36,729 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-21 22:05:36,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-21 22:05:36,729 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-21 22:05:36,729 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-21 22:05:36,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.12 10:05:36 BoogieIcfgContainer [2021-12-21 22:05:36,739 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-21 22:05:36,739 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 22:05:36,739 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 22:05:36,739 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 22:05:36,740 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:05:27" (3/4) ... [2021-12-21 22:05:36,742 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 22:05:36,742 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 22:05:36,743 INFO L158 Benchmark]: Toolchain (without parser) took 9694.76ms. Allocated memory was 104.9MB in the beginning and 209.7MB in the end (delta: 104.9MB). Free memory was 75.8MB in the beginning and 126.3MB in the end (delta: -50.5MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2021-12-21 22:05:36,743 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 47.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:05:36,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.22ms. Allocated memory is still 104.9MB. Free memory was 75.7MB in the beginning and 73.7MB in the end (delta: 2.0MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-12-21 22:05:36,744 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.61ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 71.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:05:36,746 INFO L158 Benchmark]: Boogie Preprocessor took 15.42ms. Allocated memory is still 104.9MB. Free memory was 71.9MB in the beginning and 70.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:05:36,746 INFO L158 Benchmark]: RCFGBuilder took 244.67ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 59.4MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-21 22:05:36,746 INFO L158 Benchmark]: BuchiAutomizer took 9060.86ms. Allocated memory was 104.9MB in the beginning and 209.7MB in the end (delta: 104.9MB). Free memory was 59.4MB in the beginning and 127.4MB in the end (delta: -68.0MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2021-12-21 22:05:36,747 INFO L158 Benchmark]: Witness Printer took 3.20ms. Allocated memory is still 209.7MB. Free memory was 127.4MB in the beginning and 126.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:05:36,748 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 47.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.22ms. Allocated memory is still 104.9MB. Free memory was 75.7MB in the beginning and 73.7MB in the end (delta: 2.0MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.61ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 71.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.42ms. Allocated memory is still 104.9MB. Free memory was 71.9MB in the beginning and 70.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 244.67ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 59.4MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 9060.86ms. Allocated memory was 104.9MB in the beginning and 209.7MB in the end (delta: 104.9MB). Free memory was 59.4MB in the beginning and 127.4MB in the end (delta: -68.0MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * Witness Printer took 3.20ms. Allocated memory is still 209.7MB. Free memory was 127.4MB in the beginning and 126.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] + -1 * sc1 and consists of 3 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca(length2 * sizeof(char))] and consists of 4 locations. One nondeterministic module has affine ranking function -1 * s + unknown-#length-unknown[nondetString2] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.0s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 8.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 109 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 185 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 105 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital266 mio100 ax100 hnf100 lsp103 ukn74 mio100 lsp32 div135 bol100 ite100 ukn100 eq162 hnf93 smp83 dnf582 smp37 tf100 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 433ms VariablesStem: 7 VariablesLoop: 4 DisjunctsStem: 6 DisjunctsLoop: 7 SupportingInvariants: 14 MotzkinApplications: 196 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-21 22:05:36,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE