./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrcspn_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ae007674 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/cstrcspn_reverse_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 cbd0b45e3a19519452fbcf6fd1c6a1f47a14b8d70acc30b1e21888135763cd85 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 09:12:08,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 09:12:08,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 09:12:08,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 09:12:08,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 09:12:08,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 09:12:08,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 09:12:08,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 09:12:08,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 09:12:08,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 09:12:08,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 09:12:08,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 09:12:08,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 09:12:08,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 09:12:08,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 09:12:08,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 09:12:08,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 09:12:08,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 09:12:08,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 09:12:08,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 09:12:08,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 09:12:08,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 09:12:08,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 09:12:08,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 09:12:08,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 09:12:08,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 09:12:08,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 09:12:08,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 09:12:08,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 09:12:08,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 09:12:08,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 09:12:08,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 09:12:08,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 09:12:08,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 09:12:08,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 09:12:08,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 09:12:08,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 09:12:08,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 09:12:08,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 09:12:08,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 09:12:08,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 09:12:08,554 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-28 09:12:08,572 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 09:12:08,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 09:12:08,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 09:12:08,573 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 09:12:08,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 09:12:08,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 09:12:08,574 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 09:12:08,574 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-28 09:12:08,574 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-28 09:12:08,574 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-28 09:12:08,575 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-28 09:12:08,575 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-28 09:12:08,575 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-28 09:12:08,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 09:12:08,575 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 09:12:08,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 09:12:08,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 09:12:08,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-28 09:12:08,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-28 09:12:08,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-28 09:12:08,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 09:12:08,576 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-28 09:12:08,576 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 09:12:08,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-28 09:12:08,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 09:12:08,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 09:12:08,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 09:12:08,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 09:12:08,578 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-28 09:12:08,578 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbd0b45e3a19519452fbcf6fd1c6a1f47a14b8d70acc30b1e21888135763cd85 [2021-12-28 09:12:08,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 09:12:08,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 09:12:08,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 09:12:08,833 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 09:12:08,833 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 09:12:08,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrcspn_reverse_alloca.i [2021-12-28 09:12:08,881 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/381541088/3726406360eb47dfb2f647a5f4a810ef/FLAGb9b8f0ccf [2021-12-28 09:12:09,222 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 09:12:09,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrcspn_reverse_alloca.i [2021-12-28 09:12:09,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/381541088/3726406360eb47dfb2f647a5f4a810ef/FLAGb9b8f0ccf [2021-12-28 09:12:09,603 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/381541088/3726406360eb47dfb2f647a5f4a810ef [2021-12-28 09:12:09,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 09:12:09,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 09:12:09,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 09:12:09,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 09:12:09,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 09:12:09,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:12:09" (1/1) ... [2021-12-28 09:12:09,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ebeb3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:12:09, skipping insertion in model container [2021-12-28 09:12:09,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:12:09" (1/1) ... [2021-12-28 09:12:09,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 09:12:09,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 09:12:09,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:12:09,849 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 09:12:09,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:12:09,923 INFO L208 MainTranslator]: Completed translation [2021-12-28 09:12:09,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:12:09 WrapperNode [2021-12-28 09:12:09,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 09:12:09,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 09:12:09,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 09:12:09,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 09:12:09,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:12:09" (1/1) ... [2021-12-28 09:12:09,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:12:09" (1/1) ... [2021-12-28 09:12:09,975 INFO L137 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2021-12-28 09:12:09,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 09:12:09,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 09:12:09,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 09:12:09,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 09:12:09,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:12:09" (1/1) ... [2021-12-28 09:12:09,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:12:09" (1/1) ... [2021-12-28 09:12:09,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:12:09" (1/1) ... [2021-12-28 09:12:09,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:12:09" (1/1) ... [2021-12-28 09:12:10,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:12:09" (1/1) ... [2021-12-28 09:12:10,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:12:09" (1/1) ... [2021-12-28 09:12:10,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:12:09" (1/1) ... [2021-12-28 09:12:10,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 09:12:10,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 09:12:10,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 09:12:10,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 09:12:10,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:12:09" (1/1) ... [2021-12-28 09:12:10,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:10,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:10,036 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) [2021-12-28 09:12:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 09:12:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 09:12:10,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 09:12:10,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 09:12:10,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 09:12:10,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 09:12:10,083 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 [2021-12-28 09:12:10,159 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 09:12:10,161 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 09:12:10,344 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 09:12:10,347 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 09:12:10,348 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-28 09:12:10,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:12:10 BoogieIcfgContainer [2021-12-28 09:12:10,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 09:12:10,349 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-28 09:12:10,350 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-28 09:12:10,353 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-28 09:12:10,357 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:12:10,357 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.12 09:12:09" (1/3) ... [2021-12-28 09:12:10,358 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24728a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:12:10, skipping insertion in model container [2021-12-28 09:12:10,358 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:12:10,358 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:12:09" (2/3) ... [2021-12-28 09:12:10,358 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24728a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:12:10, skipping insertion in model container [2021-12-28 09:12:10,358 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:12:10,358 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:12:10" (3/3) ... [2021-12-28 09:12:10,359 INFO L388 chiAutomizerObserver]: Analyzing ICFG cstrcspn_reverse_alloca.i [2021-12-28 09:12:10,393 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-28 09:12:10,393 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-28 09:12:10,393 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-28 09:12:10,393 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-28 09:12:10,393 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-28 09:12:10,393 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-28 09:12:10,394 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-28 09:12:10,394 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-28 09:12:10,402 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) [2021-12-28 09:12:10,413 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-28 09:12:10,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:12:10,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:12:10,417 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-28 09:12:10,417 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-28 09:12:10,417 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-28 09:12:10,418 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) [2021-12-28 09:12:10,420 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-28 09:12:10,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:12:10,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:12:10,420 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-28 09:12:10,421 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-28 09:12:10,425 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~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, 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); 5#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(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#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 cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 9#L369-4true [2021-12-28 09:12:10,426 INFO L793 eck$LassoCheckResult]: Loop: 9#L369-4true call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 16#L369-1true assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 7#L372-5true assume !true; 6#L372-6true call cstrcspn_#t~mem212#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 18#L374true assume !(cstrcspn_#t~mem212#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem212#1; 10#L369-3true cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset - 1;havoc cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset; 9#L369-4true [2021-12-28 09:12:10,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:12:10,429 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-12-28 09:12:10,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:12:10,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540688717] [2021-12-28 09:12:10,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:12:10,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:12:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:10,524 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:12:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:10,563 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:12:10,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:12:10,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2021-12-28 09:12:10,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:12:10,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290943571] [2021-12-28 09:12:10,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:12:10,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:12:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:12:10,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:12:10,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:12:10,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290943571] [2021-12-28 09:12:10,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290943571] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:12:10,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:12:10,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 09:12:10,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872908653] [2021-12-28 09:12:10,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:12:10,624 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-28 09:12:10,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:12:10,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-28 09:12:10,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-28 09:12:10,656 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) [2021-12-28 09:12:10,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:12:10,662 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-12-28 09:12:10,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-28 09:12:10,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2021-12-28 09:12:10,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-28 09:12:10,671 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2021-12-28 09:12:10,672 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-12-28 09:12:10,672 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-12-28 09:12:10,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2021-12-28 09:12:10,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:12:10,673 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-12-28 09:12:10,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2021-12-28 09:12:10,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-12-28 09:12:10,687 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) [2021-12-28 09:12:10,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2021-12-28 09:12:10,688 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-12-28 09:12:10,688 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-12-28 09:12:10,689 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-28 09:12:10,689 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2021-12-28 09:12:10,690 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-28 09:12:10,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:12:10,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:12:10,691 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-28 09:12:10,691 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:12:10,692 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, 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(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#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 cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 47#L369-4 [2021-12-28 09:12:10,692 INFO L793 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 53#L369-1 assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 50#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 0 != cstrcspn_#t~mem208#1; 51#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 55#L372-3 assume !cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1; 48#L372-6 call cstrcspn_#t~mem212#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 49#L374 assume !(cstrcspn_#t~mem212#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem212#1; 54#L369-3 cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset - 1;havoc cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset; 47#L369-4 [2021-12-28 09:12:10,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:12:10,695 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2021-12-28 09:12:10,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:12:10,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720706086] [2021-12-28 09:12:10,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:12:10,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:12:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:10,729 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:12:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:10,742 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:12:10,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:12:10,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2021-12-28 09:12:10,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:12:10,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692980062] [2021-12-28 09:12:10,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:12:10,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:12:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:10,773 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:12:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:10,780 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:12:10,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:12:10,781 INFO L85 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2021-12-28 09:12:10,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:12:10,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739730739] [2021-12-28 09:12:10,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:12:10,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:12:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:10,806 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:12:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:10,827 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:12:11,565 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:12:11,571 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:12:11,571 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:12:11,571 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:12:11,571 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-28 09:12:11,571 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:11,572 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:12:11,572 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:12:11,572 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn_reverse_alloca.i_Iteration2_Lasso [2021-12-28 09:12:11,572 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:12:11,572 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:12:11,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:11,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:11,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:11,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:11,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:11,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:11,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:11,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:11,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:11,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:12,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:12,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:12,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:12,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:12,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:12,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:12,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:12,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:12,483 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:12:12,485 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-28 09:12:12,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:12,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:12,487 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) [2021-12-28 09:12:12,494 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 [2021-12-28 09:12:12,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:12,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:12,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:12,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:12,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:12,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:12,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:12,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:12,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:12,532 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 [2021-12-28 09:12:12,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:12,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:12,533 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) [2021-12-28 09:12:12,534 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 [2021-12-28 09:12:12,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:12,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:12,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:12,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:12,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:12,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:12,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:12,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:12,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:12,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-28 09:12:12,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:12,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:12,581 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) [2021-12-28 09:12:12,586 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 [2021-12-28 09:12:12,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:12,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:12,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:12,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:12,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:12,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:12,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:12,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:12,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:12,612 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 [2021-12-28 09:12:12,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:12,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:12,613 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) [2021-12-28 09:12:12,616 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 [2021-12-28 09:12:12,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:12,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:12,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:12,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:12,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:12,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:12:12,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:12:12,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:12,655 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 [2021-12-28 09:12:12,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:12,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:12,656 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) [2021-12-28 09:12:12,657 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 [2021-12-28 09:12:12,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:12,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:12,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:12,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:12,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:12,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:12,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:12,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:12,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:12,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-28 09:12:12,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:12,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:12,680 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) [2021-12-28 09:12:12,681 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 [2021-12-28 09:12:12,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:12,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:12,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:12,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:12,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:12,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:12,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:12,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:12,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:12,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-28 09:12:12,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:12,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:12,713 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) [2021-12-28 09:12:12,717 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 [2021-12-28 09:12:12,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:12,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:12,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:12,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:12,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:12,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:12:12,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:12:12,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:12,755 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 [2021-12-28 09:12:12,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:12,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:12,756 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) [2021-12-28 09:12:12,757 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 [2021-12-28 09:12:12,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:12,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:12,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:12,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:12,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:12,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:12,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:12,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:12,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:12,802 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 [2021-12-28 09:12:12,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:12,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:12,803 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) [2021-12-28 09:12:12,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:12,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:12,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:12,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:12,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:12,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:12,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:12,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:12,831 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 [2021-12-28 09:12:12,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:12,862 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 [2021-12-28 09:12:12,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:12,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:12,863 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) [2021-12-28 09:12:12,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:12,868 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 [2021-12-28 09:12:12,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:12,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:12,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:12,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:12,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:12:12,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:12:12,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:12,895 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 [2021-12-28 09:12:12,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:12,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:12,896 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) [2021-12-28 09:12:12,897 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 [2021-12-28 09:12:12,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:12,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:12,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:12,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:12,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:12,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:12:12,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:12:12,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:12,924 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 [2021-12-28 09:12:12,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:12,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:12,925 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) [2021-12-28 09:12:12,926 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 [2021-12-28 09:12:12,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:12,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:12,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:12,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:12,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:12,934 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:12:12,934 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:12:12,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:12,961 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 [2021-12-28 09:12:12,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:12,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:12,963 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) [2021-12-28 09:12:12,963 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 [2021-12-28 09:12:12,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:12,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:12,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:12,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:12,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:12,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:12:12,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:12:12,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:13,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-28 09:12:13,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:13,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:13,003 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) [2021-12-28 09:12:13,004 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 [2021-12-28 09:12:13,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:13,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:13,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:13,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:13,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:13,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:13,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:13,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:13,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:13,038 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-28 09:12:13,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:13,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:13,039 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) [2021-12-28 09:12:13,040 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 [2021-12-28 09:12:13,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:13,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:13,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:13,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:13,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:13,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:12:13,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:12:13,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:13,075 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 [2021-12-28 09:12:13,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:13,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:13,077 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) [2021-12-28 09:12:13,078 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 [2021-12-28 09:12:13,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:13,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:13,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:13,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:13,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:13,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:12:13,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:12:13,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:13,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-28 09:12:13,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:13,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:13,127 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) [2021-12-28 09:12:13,127 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 [2021-12-28 09:12:13,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:13,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:13,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:13,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:13,137 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-28 09:12:13,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:13,144 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-12-28 09:12:13,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:13,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:13,172 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 [2021-12-28 09:12:13,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:13,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:13,173 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) [2021-12-28 09:12:13,174 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 [2021-12-28 09:12:13,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:13,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:13,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:13,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:13,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:13,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:12:13,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:12:13,205 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-28 09:12:13,226 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-28 09:12:13,226 INFO L444 ModelExtractionUtils]: 20 out of 49 variables were initially zero. Simplification set additionally 26 variables to zero. [2021-12-28 09:12:13,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:13,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:13,228 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) [2021-12-28 09:12:13,229 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 [2021-12-28 09:12:13,230 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-28 09:12:13,251 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-28 09:12:13,251 INFO L513 LassoAnalysis]: Proved termination. [2021-12-28 09:12:13,252 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~sc1~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1) = 2*ULTIMATE.start_cstrcspn_~sc1~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1 Supporting invariants [] [2021-12-28 09:12:13,273 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 [2021-12-28 09:12:13,305 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2021-12-28 09:12:13,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:12:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:12:13,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-28 09:12:13,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:12:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:12:13,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-28 09:12:13,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:12:13,409 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 [2021-12-28 09:12:13,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:12:13,498 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 [2021-12-28 09:12:13,499 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) [2021-12-28 09:12:13,544 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. [2021-12-28 09:12:13,545 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 [2021-12-28 09:12:13,546 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) [2021-12-28 09:12:13,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2021-12-28 09:12:13,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2021-12-28 09:12:13,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:12:13,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2021-12-28 09:12:13,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:12:13,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2021-12-28 09:12:13,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:12:13,549 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2021-12-28 09:12:13,552 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-28 09:12:13,553 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2021-12-28 09:12:13,553 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-28 09:12:13,554 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-12-28 09:12:13,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-12-28 09:12:13,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-28 09:12:13,555 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-12-28 09:12:13,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-12-28 09:12:13,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-12-28 09:12:13,556 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) [2021-12-28 09:12:13,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-12-28 09:12:13,557 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-12-28 09:12:13,557 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-12-28 09:12:13,557 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-28 09:12:13,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-12-28 09:12:13,560 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-28 09:12:13,561 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:12:13,561 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:12:13,561 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:12:13,561 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-28 09:12:13,561 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, 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(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#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 cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 181#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 190#L369-1 assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 184#L372-5 [2021-12-28 09:12:13,562 INFO L793 eck$LassoCheckResult]: Loop: 184#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 0 != cstrcspn_#t~mem208#1; 185#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 193#L372-3 assume !!cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1;cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset - 1;havoc cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset; 184#L372-5 [2021-12-28 09:12:13,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:12:13,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2021-12-28 09:12:13,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:12:13,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507746202] [2021-12-28 09:12:13,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:12:13,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:12:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:13,598 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:12:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:13,611 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:12:13,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:12:13,613 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2021-12-28 09:12:13,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:12:13,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731911111] [2021-12-28 09:12:13,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:12:13,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:12:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:13,628 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:12:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:13,635 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:12:13,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:12:13,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2021-12-28 09:12:13,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:12:13,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782250634] [2021-12-28 09:12:13,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:12:13,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:12:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:13,655 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:12:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:13,668 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:12:14,141 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:12:14,141 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:12:14,141 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:12:14,141 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:12:14,141 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-28 09:12:14,141 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:14,141 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:12:14,141 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:12:14,141 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn_reverse_alloca.i_Iteration3_Lasso [2021-12-28 09:12:14,141 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:12:14,141 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:12:14,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:14,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:14,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:14,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:14,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:14,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:14,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:14,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:14,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:14,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:14,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:14,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:14,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:14,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:14,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:14,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:14,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:14,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:15,004 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:12:15,004 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-28 09:12:15,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:15,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,006 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) [2021-12-28 09:12:15,008 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 [2021-12-28 09:12:15,008 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 [2021-12-28 09:12:15,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:15,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:15,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:15,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:15,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:15,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:15,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:15,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:15,031 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 [2021-12-28 09:12:15,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:15,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,033 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) [2021-12-28 09:12:15,033 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 [2021-12-28 09:12:15,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:15,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:15,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:15,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:15,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:15,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:15,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:15,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:15,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:15,066 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 [2021-12-28 09:12:15,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:15,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,067 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) [2021-12-28 09:12:15,068 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 [2021-12-28 09:12:15,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:15,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:15,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:15,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:15,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:15,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:12:15,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:12:15,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:15,093 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 [2021-12-28 09:12:15,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:15,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,096 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) [2021-12-28 09:12:15,097 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 [2021-12-28 09:12:15,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:15,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:15,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:15,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:15,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:15,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:15,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:15,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:15,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:15,121 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 [2021-12-28 09:12:15,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:15,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,122 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) [2021-12-28 09:12:15,123 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 [2021-12-28 09:12:15,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:15,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:15,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:15,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:15,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:15,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:15,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:15,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:15,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:15,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-28 09:12:15,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:15,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,166 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) [2021-12-28 09:12:15,167 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 [2021-12-28 09:12:15,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:15,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:15,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:15,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:15,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:15,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:15,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:15,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:15,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:15,206 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 [2021-12-28 09:12:15,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:15,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,208 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) [2021-12-28 09:12:15,208 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 [2021-12-28 09:12:15,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:15,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:15,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:15,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:15,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:15,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:15,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:15,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:15,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:15,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-28 09:12:15,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:15,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,239 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) [2021-12-28 09:12:15,244 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 [2021-12-28 09:12:15,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:15,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:15,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:15,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:15,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:15,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:12:15,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:12:15,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:15,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-28 09:12:15,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:15,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,283 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) [2021-12-28 09:12:15,284 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 [2021-12-28 09:12:15,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:15,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:15,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:15,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:15,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:15,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:15,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:15,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:15,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:15,322 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 [2021-12-28 09:12:15,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:15,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,323 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) [2021-12-28 09:12:15,324 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 [2021-12-28 09:12:15,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:15,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:15,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:15,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:15,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:15,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:15,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:15,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:15,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:15,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-28 09:12:15,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:15,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,349 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) [2021-12-28 09:12:15,350 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 [2021-12-28 09:12:15,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:15,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:15,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:15,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:15,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:15,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:15,357 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:15,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:15,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:15,373 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 [2021-12-28 09:12:15,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:15,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,374 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) [2021-12-28 09:12:15,374 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 [2021-12-28 09:12:15,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:15,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:15,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:15,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:15,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:15,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:15,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:15,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:15,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:15,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-12-28 09:12:15,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:15,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,398 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) [2021-12-28 09:12:15,398 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 [2021-12-28 09:12:15,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:15,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:15,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:15,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:15,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:15,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:15,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:15,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:15,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:15,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-28 09:12:15,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:15,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,422 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) [2021-12-28 09:12:15,422 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 [2021-12-28 09:12:15,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:15,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:15,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:15,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:15,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:15,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:15,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:15,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:15,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:15,447 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 [2021-12-28 09:12:15,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:15,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,448 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:12:15,449 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 [2021-12-28 09:12:15,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:15,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:15,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:15,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:15,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:15,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:15,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:15,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:15,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:15,471 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 [2021-12-28 09:12:15,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:15,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,472 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) [2021-12-28 09:12:15,473 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 [2021-12-28 09:12:15,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:15,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:15,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:15,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:15,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:15,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:15,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:15,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:15,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:15,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-28 09:12:15,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:15,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,497 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) [2021-12-28 09:12:15,498 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 [2021-12-28 09:12:15,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:15,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:15,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:15,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:15,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:15,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:12:15,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:12:15,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:15,550 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 [2021-12-28 09:12:15,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:15,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,551 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) [2021-12-28 09:12:15,553 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 [2021-12-28 09:12:15,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:15,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:15,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:15,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:15,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:15,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:12:15,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:12:15,582 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-28 09:12:15,601 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-28 09:12:15,602 INFO L444 ModelExtractionUtils]: 30 out of 52 variables were initially zero. Simplification set additionally 19 variables to zero. [2021-12-28 09:12:15,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:15,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,603 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) [2021-12-28 09:12:15,604 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 [2021-12-28 09:12:15,605 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-28 09:12:15,612 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-28 09:12:15,612 INFO L513 LassoAnalysis]: Proved termination. [2021-12-28 09:12:15,612 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1, ULTIMATE.start_cstrcspn_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 + 2*ULTIMATE.start_cstrcspn_~s~0#1.offset Supporting invariants [] [2021-12-28 09:12:15,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-28 09:12:15,660 INFO L297 tatePredicateManager]: 13 out of 15 supporting invariants were superfluous and have been removed [2021-12-28 09:12:15,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:12:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:12:15,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-28 09:12:15,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:12:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:12:15,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-28 09:12:15,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:12:15,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:12:15,762 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 [2021-12-28 09:12:15,763 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) [2021-12-28 09:12:15,792 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. [2021-12-28 09:12:15,793 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 [2021-12-28 09:12:15,793 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) [2021-12-28 09:12:15,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-12-28 09:12:15,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2021-12-28 09:12:15,794 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:12:15,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2021-12-28 09:12:15,794 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:12:15,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2021-12-28 09:12:15,794 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:12:15,795 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2021-12-28 09:12:15,795 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-28 09:12:15,796 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2021-12-28 09:12:15,796 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-28 09:12:15,796 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-28 09:12:15,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2021-12-28 09:12:15,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-28 09:12:15,796 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2021-12-28 09:12:15,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2021-12-28 09:12:15,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-12-28 09:12:15,798 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) [2021-12-28 09:12:15,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2021-12-28 09:12:15,798 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-12-28 09:12:15,798 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-12-28 09:12:15,798 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-28 09:12:15,798 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2021-12-28 09:12:15,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-28 09:12:15,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:12:15,799 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:12:15,799 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:12:15,799 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-28 09:12:15,799 INFO L791 eck$LassoCheckResult]: Stem: 358#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 359#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, 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; 368#L382 assume !(main_~length1~0#1 < 1); 377#L382-2 assume !(main_~length2~0#1 < 1); 360#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(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#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 cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 361#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 369#L369-1 assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 378#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 0 != cstrcspn_#t~mem208#1; 381#L372-1 assume !cstrcspn_#t~short210#1; 379#L372-3 assume !cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1; 362#L372-6 call cstrcspn_#t~mem212#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 363#L374 assume !(cstrcspn_#t~mem212#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem212#1; 373#L369-3 cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset - 1;havoc cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset; 370#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 372#L369-1 assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 364#L372-5 [2021-12-28 09:12:15,800 INFO L793 eck$LassoCheckResult]: Loop: 364#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 0 != cstrcspn_#t~mem208#1; 365#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 374#L372-3 assume !!cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1;cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset - 1;havoc cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset; 364#L372-5 [2021-12-28 09:12:15,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:12:15,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2021-12-28 09:12:15,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:12:15,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359926444] [2021-12-28 09:12:15,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:12:15,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:12:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:15,826 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:12:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:15,835 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:12:15,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:12:15,835 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2021-12-28 09:12:15,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:12:15,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676844112] [2021-12-28 09:12:15,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:12:15,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:12:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:15,838 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:12:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:15,841 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:12:15,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:12:15,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1999924968, now seen corresponding path program 1 times [2021-12-28 09:12:15,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:12:15,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655576827] [2021-12-28 09:12:15,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:12:15,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:12:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:12:15,912 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:12:15,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:12:15,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655576827] [2021-12-28 09:12:15,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655576827] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 09:12:15,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476917535] [2021-12-28 09:12:15,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:12:15,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 09:12:15,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:15,914 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 09:12:15,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2021-12-28 09:12:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:12:15,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 27 conjunts are in the unsatisfiable core [2021-12-28 09:12:15,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:12:15,992 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-28 09:12:15,993 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-12-28 09:12:16,041 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 [2021-12-28 09:12:16,090 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:12:16,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 09:12:16,137 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:12:16,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476917535] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 09:12:16,138 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 09:12:16,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 11 [2021-12-28 09:12:16,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730548789] [2021-12-28 09:12:16,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 09:12:16,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:12:16,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-28 09:12:16,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-12-28 09:12:16,210 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 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) [2021-12-28 09:12:16,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:12:16,295 INFO L93 Difference]: Finished difference Result 59 states and 72 transitions. [2021-12-28 09:12:16,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 09:12:16,296 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 72 transitions. [2021-12-28 09:12:16,296 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-28 09:12:16,298 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 43 states and 53 transitions. [2021-12-28 09:12:16,298 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-28 09:12:16,298 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-12-28 09:12:16,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 53 transitions. [2021-12-28 09:12:16,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-28 09:12:16,298 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2021-12-28 09:12:16,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 53 transitions. [2021-12-28 09:12:16,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 28. [2021-12-28 09:12:16,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:12:16,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2021-12-28 09:12:16,300 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2021-12-28 09:12:16,300 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2021-12-28 09:12:16,300 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-28 09:12:16,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2021-12-28 09:12:16,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-28 09:12:16,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:12:16,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:12:16,301 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:12:16,301 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-28 09:12:16,302 INFO L791 eck$LassoCheckResult]: Stem: 563#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 564#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, 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; 573#L382 assume !(main_~length1~0#1 < 1); 582#L382-2 assume !(main_~length2~0#1 < 1); 565#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(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#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 cstrcspn_#res#1;havoc cstrcspn_#t~mem207#1, cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset, cstrcspn_#t~mem208#1, cstrcspn_#t~mem209#1, cstrcspn_#t~short210#1, cstrcspn_#t~mem212#1, cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset, cstrcspn_#t~mem206#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 566#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 574#L369-1 assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 587#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 0 != cstrcspn_#t~mem208#1; 580#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 581#L372-3 assume !cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1; 567#L372-6 call cstrcspn_#t~mem212#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 568#L374 assume !(cstrcspn_#t~mem212#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem212#1; 578#L369-3 cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset - 1;havoc cstrcspn_#t~post205#1.base, cstrcspn_#t~post205#1.offset; 575#L369-4 call cstrcspn_#t~mem206#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 577#L369-1 assume !!(0 != cstrcspn_#t~mem206#1);havoc cstrcspn_#t~mem206#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem207#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem207#1; 569#L372-5 [2021-12-28 09:12:16,302 INFO L793 eck$LassoCheckResult]: Loop: 569#L372-5 call cstrcspn_#t~mem208#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := 0 != cstrcspn_#t~mem208#1; 570#L372-1 assume cstrcspn_#t~short210#1;call cstrcspn_#t~mem209#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short210#1 := cstrcspn_#t~mem209#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 579#L372-3 assume !!cstrcspn_#t~short210#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~mem209#1;havoc cstrcspn_#t~short210#1;cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset - 1;havoc cstrcspn_#t~post211#1.base, cstrcspn_#t~post211#1.offset; 569#L372-5 [2021-12-28 09:12:16,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:12:16,302 INFO L85 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2021-12-28 09:12:16,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:12:16,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626999179] [2021-12-28 09:12:16,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:12:16,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:12:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:16,323 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:12:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:16,333 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:12:16,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:12:16,334 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2021-12-28 09:12:16,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:12:16,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442638530] [2021-12-28 09:12:16,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:12:16,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:12:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:16,337 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:12:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:16,339 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:12:16,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:12:16,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2021-12-28 09:12:16,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:12:16,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32653266] [2021-12-28 09:12:16,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:12:16,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:12:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:16,351 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:12:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:12:16,363 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:12:17,120 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:12:17,120 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:12:17,120 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:12:17,120 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:12:17,121 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-28 09:12:17,121 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:17,121 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:12:17,121 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:12:17,121 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn_reverse_alloca.i_Iteration5_Lasso [2021-12-28 09:12:17,121 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:12:17,121 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:12:17,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:17,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:17,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:17,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:17,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:17,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:17,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:17,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:17,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:17,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:17,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:17,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:17,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:17,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:17,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:17,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:17,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:17,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:12:18,463 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:12:18,463 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-28 09:12:18,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:18,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:18,464 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) [2021-12-28 09:12:18,465 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 [2021-12-28 09:12:18,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:18,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:18,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:18,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:18,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:18,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:18,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:18,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:18,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:18,505 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 [2021-12-28 09:12:18,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:18,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:18,506 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) [2021-12-28 09:12:18,507 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 [2021-12-28 09:12:18,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:18,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:18,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:18,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:18,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:18,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:18,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:18,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:18,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:18,532 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 [2021-12-28 09:12:18,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:18,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:18,533 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) [2021-12-28 09:12:18,534 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 [2021-12-28 09:12:18,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:18,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:18,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:18,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:18,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:18,543 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:12:18,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:12:18,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:18,569 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 [2021-12-28 09:12:18,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:18,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:18,570 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) [2021-12-28 09:12:18,570 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 [2021-12-28 09:12:18,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:18,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:18,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:18,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:18,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:18,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:18,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:18,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:18,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:18,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-28 09:12:18,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:18,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:18,596 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:12:18,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-28 09:12:18,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:18,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:18,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:18,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:18,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:18,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:18,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:18,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:18,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:18,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-28 09:12:18,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:18,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:18,627 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:12:18,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-28 09:12:18,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:18,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:18,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:18,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:18,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:18,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:18,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:18,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:18,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:18,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-12-28 09:12:18,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:18,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:18,659 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:12:18,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-28 09:12:18,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:18,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:18,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:18,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:18,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:18,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:18,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:18,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:18,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:18,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-12-28 09:12:18,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:18,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:18,684 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:12:18,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-28 09:12:18,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:18,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:18,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:18,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:18,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:18,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:18,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:18,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:18,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:18,710 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-28 09:12:18,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:18,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:18,711 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:12:18,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-28 09:12:18,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:18,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:18,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:18,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:18,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:18,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:12:18,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:12:18,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:18,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-28 09:12:18,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:18,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:18,767 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:12:18,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-28 09:12:18,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:18,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:18,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:18,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:18,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:18,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:18,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:18,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:18,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:18,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-28 09:12:18,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:18,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:18,802 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:12:18,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-28 09:12:18,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:18,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:18,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:18,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:18,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:18,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:18,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:18,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:18,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:18,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-28 09:12:18,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:18,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:18,839 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:12:18,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-28 09:12:18,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:18,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:18,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:12:18,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:18,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:18,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:18,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:12:18,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:12:18,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:18,864 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-28 09:12:18,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:18,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:18,865 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:12:18,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-28 09:12:18,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:18,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:18,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:18,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:18,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:18,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:12:18,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:12:18,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:18,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-12-28 09:12:18,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:18,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:18,911 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:12:18,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-28 09:12:18,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:18,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:18,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:18,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:18,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:18,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:12:18,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:12:18,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:12:18,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-28 09:12:18,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:18,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:18,948 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:12:18,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-28 09:12:18,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:12:18,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:12:18,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:12:18,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:12:18,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:12:18,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:12:18,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:12:18,975 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-28 09:12:18,994 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-12-28 09:12:18,994 INFO L444 ModelExtractionUtils]: 26 out of 49 variables were initially zero. Simplification set additionally 20 variables to zero. [2021-12-28 09:12:18,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:12:18,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:12:18,995 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:12:18,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-28 09:12:18,996 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-28 09:12:19,003 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-28 09:12:19,003 INFO L513 LassoAnalysis]: Proved termination. [2021-12-28 09:12:19,003 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~s~0#1.offset) = 2*ULTIMATE.start_cstrcspn_~s~0#1.offset + 1 Supporting invariants [] [2021-12-28 09:12:19,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-12-28 09:12:19,076 INFO L297 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2021-12-28 09:12:19,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:12:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:12:19,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 09:12:19,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:12:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:12:19,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-28 09:12:19,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:12:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:12:19,160 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 [2021-12-28 09:12:19,160 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) [2021-12-28 09:12:19,171 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 46 states and 58 transitions. Complement of second has 5 states. [2021-12-28 09:12:19,172 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 [2021-12-28 09:12:19,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) [2021-12-28 09:12:19,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2021-12-28 09:12:19,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-12-28 09:12:19,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:12:19,172 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-28 09:12:19,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:12:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:12:19,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 09:12:19,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:12:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:12:19,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-28 09:12:19,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:12:19,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:12:19,240 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-28 09:12:19,240 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) [2021-12-28 09:12:19,250 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 46 states and 58 transitions. Complement of second has 5 states. [2021-12-28 09:12:19,255 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 [2021-12-28 09:12:19,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) [2021-12-28 09:12:19,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2021-12-28 09:12:19,257 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-12-28 09:12:19,257 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:12:19,257 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-28 09:12:19,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:12:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:12:19,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 09:12:19,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:12:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:12:19,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-28 09:12:19,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:12:19,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:12:19,309 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-28 09:12:19,309 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) [2021-12-28 09:12:19,324 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 45 states and 60 transitions. Complement of second has 4 states. [2021-12-28 09:12:19,324 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 [2021-12-28 09:12:19,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) [2021-12-28 09:12:19,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2021-12-28 09:12:19,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2021-12-28 09:12:19,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:12:19,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2021-12-28 09:12:19,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:12:19,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2021-12-28 09:12:19,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:12:19,328 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 60 transitions. [2021-12-28 09:12:19,332 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-28 09:12:19,332 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 0 states and 0 transitions. [2021-12-28 09:12:19,332 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-28 09:12:19,332 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-28 09:12:19,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-28 09:12:19,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:12:19,332 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:12:19,332 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:12:19,332 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:12:19,332 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-28 09:12:19,332 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-28 09:12:19,332 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-28 09:12:19,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-28 09:12:19,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.12 09:12:19 BoogieIcfgContainer [2021-12-28 09:12:19,336 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-28 09:12:19,337 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-28 09:12:19,337 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-28 09:12:19,337 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-28 09:12:19,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:12:10" (3/4) ... [2021-12-28 09:12:19,341 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-28 09:12:19,341 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-28 09:12:19,341 INFO L158 Benchmark]: Toolchain (without parser) took 9734.47ms. Allocated memory was 62.9MB in the beginning and 119.5MB in the end (delta: 56.6MB). Free memory was 43.2MB in the beginning and 45.0MB in the end (delta: -1.8MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2021-12-28 09:12:19,341 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory was 45.5MB in the beginning and 45.5MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:12:19,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.72ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 39.6MB in the end (delta: 3.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-28 09:12:19,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.76ms. Allocated memory is still 62.9MB. Free memory was 39.6MB in the beginning and 37.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 09:12:19,342 INFO L158 Benchmark]: Boogie Preprocessor took 34.90ms. Allocated memory is still 62.9MB. Free memory was 37.5MB in the beginning and 36.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 09:12:19,343 INFO L158 Benchmark]: RCFGBuilder took 336.22ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 35.9MB in the beginning and 60.3MB in the end (delta: -24.5MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2021-12-28 09:12:19,344 INFO L158 Benchmark]: BuchiAutomizer took 8986.84ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 60.0MB in the beginning and 45.0MB in the end (delta: 15.0MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2021-12-28 09:12:19,344 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 119.5MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:12:19,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory was 45.5MB in the beginning and 45.5MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.72ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 39.6MB in the end (delta: 3.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.76ms. Allocated memory is still 62.9MB. Free memory was 39.6MB in the beginning and 37.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.90ms. Allocated memory is still 62.9MB. Free memory was 37.5MB in the beginning and 36.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 336.22ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 35.9MB in the beginning and 60.3MB in the end (delta: -24.5MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 8986.84ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 60.0MB in the beginning and 45.0MB in the end (delta: 15.0MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 119.5MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] + 2 * sc1 and consists of 3 locations. One deterministic module has affine ranking function 2 * s + unknown-#length-unknown[nondetString2] and consists of 4 locations. One nondeterministic module has affine ranking function 2 * s + 1 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.9s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 8.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 28 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 116 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 191 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 77 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 114 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital277 mio100 ax100 hnf100 lsp103 ukn75 mio100 lsp42 div119 bol100 ite100 ukn100 eq180 hnf92 smp91 dnf648 smp29 tf100 neg93 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 4 SupportingInvariants: 0 MotzkinApplications: 8 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! [2021-12-28 09:12:19,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-12-28 09:12:19,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2021-12-28 09:12:19,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE