./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 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/cstrcpy_diffterm_alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ca73807de0c8f7d87fbb77e097710eeb5024a6fe ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:24:51,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:24:51,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:24:51,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:24:51,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:24:51,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:24:51,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:24:51,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:24:51,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:24:51,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:24:51,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:24:51,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:24:51,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:24:51,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:24:51,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:24:51,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:24:51,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:24:51,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:24:51,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:24:51,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:24:51,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:24:51,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:24:51,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:24:51,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:24:51,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:24:51,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:24:51,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:24:51,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:24:51,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:24:51,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:24:51,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:24:51,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:24:51,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:24:51,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:24:51,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:24:51,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:24:51,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:24:51,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:24:51,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:24:51,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:24:51,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:24:51,627 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-26 04:24:51,668 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:24:51,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:24:51,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:24:51,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:24:51,670 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:24:51,670 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:24:51,670 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:24:51,670 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:24:51,671 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:24:51,671 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:24:51,671 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:24:51,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:24:51,671 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:24:51,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:24:51,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:24:51,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:24:51,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:24:51,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:24:51,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:24:51,673 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:24:51,673 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:24:51,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:24:51,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:24:51,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:24:51,674 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:24:51,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:24:51,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:24:51,674 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:24:51,675 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:24:51,676 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:24:51,676 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca73807de0c8f7d87fbb77e097710eeb5024a6fe [2020-10-26 04:24:52,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:24:52,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:24:52,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:24:52,086 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:24:52,087 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:24:52,088 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca.i [2020-10-26 04:24:52,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ec78957d/a6c9073ad0ad45f1865d210aaf4a9d89/FLAGe914d0a83 [2020-10-26 04:24:52,814 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:24:52,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca.i [2020-10-26 04:24:52,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ec78957d/a6c9073ad0ad45f1865d210aaf4a9d89/FLAGe914d0a83 [2020-10-26 04:24:53,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ec78957d/a6c9073ad0ad45f1865d210aaf4a9d89 [2020-10-26 04:24:53,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:24:53,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:24:53,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:24:53,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:24:53,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:24:53,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:24:53" (1/1) ... [2020-10-26 04:24:53,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@744d146a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:24:53, skipping insertion in model container [2020-10-26 04:24:53,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:24:53" (1/1) ... [2020-10-26 04:24:53,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:24:53,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:24:53,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:24:53,560 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:24:53,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:24:53,738 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:24:53,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:24:53 WrapperNode [2020-10-26 04:24:53,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:24:53,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:24:53,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:24:53,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:24:53,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:24:53" (1/1) ... [2020-10-26 04:24:53,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:24:53" (1/1) ... [2020-10-26 04:24:53,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:24:53,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:24:53,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:24:53,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:24:53,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:24:53" (1/1) ... [2020-10-26 04:24:53,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:24:53" (1/1) ... [2020-10-26 04:24:53,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:24:53" (1/1) ... [2020-10-26 04:24:53,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:24:53" (1/1) ... [2020-10-26 04:24:53,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:24:53" (1/1) ... [2020-10-26 04:24:53,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:24:53" (1/1) ... [2020-10-26 04:24:53,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:24:53" (1/1) ... [2020-10-26 04:24:53,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:24:53,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:24:53,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:24:53,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:24:53,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:24:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 04:24:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 04:24:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:24:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 04:24:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:24:53,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:24:54,214 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:24:54,215 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-26 04:24:54,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:24:54 BoogieIcfgContainer [2020-10-26 04:24:54,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:24:54,218 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:24:54,218 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:24:54,222 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:24:54,223 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:24:54,224 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:24:53" (1/3) ... [2020-10-26 04:24:54,225 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9b5ea29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:24:54, skipping insertion in model container [2020-10-26 04:24:54,225 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:24:54,225 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:24:53" (2/3) ... [2020-10-26 04:24:54,226 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9b5ea29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:24:54, skipping insertion in model container [2020-10-26 04:24:54,226 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:24:54,226 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:24:54" (3/3) ... [2020-10-26 04:24:54,228 INFO L373 chiAutomizerObserver]: Analyzing ICFG cstrcpy_diffterm_alloca.i [2020-10-26 04:24:54,282 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:24:54,282 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:24:54,283 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:24:54,283 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:24:54,283 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:24:54,283 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:24:54,283 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:24:54,284 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:24:54,297 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-26 04:24:54,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:24:54,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:24:54,320 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:24:54,329 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-26 04:24:54,330 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:24:54,330 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:24:54,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-26 04:24:54,332 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:24:54,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:24:54,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:24:54,333 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-26 04:24:54,333 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:24:54,342 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet208, main_#t~nondet209, main_#t~malloc210.base, main_#t~malloc210.offset, main_#t~malloc211.base, main_#t~malloc211.offset, main_#t~ret212.base, main_#t~ret212.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet208;havoc main_#t~nondet208;main_~length2~0 := main_#t~nondet209;havoc main_#t~nondet209; 9#L375true assume !(main_~length1~0 < 1); 13#L375-2true assume !(main_~length2~0 < 1); 4#L378-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc210.base, main_#t~malloc210.offset;call main_#t~malloc211.base, main_#t~malloc211.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset;call write~int(49, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, cstrcpy_#t~mem207, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 6#L368-3true [2020-10-26 04:24:54,343 INFO L796 eck$LassoCheckResult]: Loop: 6#L368-3true cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post205.base, 1 + cstrcpy_#t~post205.offset;cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post206.base, 1 + cstrcpy_#t~post206.offset;call cstrcpy_#t~mem207 := read~int(cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, 1);call write~int(cstrcpy_#t~mem207, cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, 1); 14#L368-1true assume !!(49 != cstrcpy_#t~mem207);havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset;havoc cstrcpy_#t~mem207;havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset; 6#L368-3true [2020-10-26 04:24:54,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:24:54,350 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2020-10-26 04:24:54,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:24:54,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876322579] [2020-10-26 04:24:54,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:24:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:24:54,516 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:24:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:24:54,568 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:24:54,605 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:24:54,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:24:54,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2020-10-26 04:24:54,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:24:54,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148048827] [2020-10-26 04:24:54,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:24:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:24:54,644 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:24:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:24:54,653 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:24:54,656 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:24:54,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:24:54,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2020-10-26 04:24:54,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:24:54,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98533203] [2020-10-26 04:24:54,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:24:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:24:54,730 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:24:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:24:54,754 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:24:54,762 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:24:55,230 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2020-10-26 04:24:55,372 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-26 04:24:55,387 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:24:55,388 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:24:55,388 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:24:55,389 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:24:55,389 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:24:55,389 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:55,389 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:24:55,389 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:24:55,389 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy_diffterm_alloca.i_Iteration1_Lasso [2020-10-26 04:24:55,390 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:24:55,390 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:24:55,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:24:55,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:24:55,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:24:55,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:24:55,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:24:55,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:24:55,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:24:55,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:24:55,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:24:55,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:24:55,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:24:55,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:24:55,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:24:55,841 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2020-10-26 04:24:56,108 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-10-26 04:24:56,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:24:56,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:24:56,353 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-10-26 04:24:56,732 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-10-26 04:24:56,903 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:24:56,908 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:56,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:24:56,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:24:56,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:24:56,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:24:56,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:24:56,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:24:56,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:24:56,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:24:56,933 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:56,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:24:56,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:24:56,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:24:56,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:24:56,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:24:56,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:24:56,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:24:56,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:24:56,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:56,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:24:56,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:24:56,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:24:56,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:24:56,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:24:57,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:24:57,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:24:57,024 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:57,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:24:57,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:24:57,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:24:57,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:24:57,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:24:57,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:24:57,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:24:57,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:24:57,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:57,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:24:57,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:24:57,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:24:57,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:24:57,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:24:57,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:24:57,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:24:57,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:24:57,088 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:57,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:24:57,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:24:57,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:24:57,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:24:57,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:24:57,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:24:57,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:24:57,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:57,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:24:57,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:24:57,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:24:57,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:24:57,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:24:57,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:24:57,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:24:57,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:24:57,154 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:57,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:24:57,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:24:57,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:24:57,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:24:57,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:24:57,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:24:57,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:24:57,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:24:57,182 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:57,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:24:57,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:24:57,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:24:57,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:24:57,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:24:57,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:24:57,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:24:57,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:24:57,217 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:57,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:24:57,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:24:57,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:24:57,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:24:57,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:24:57,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:24:57,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:24:57,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:24:57,253 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:57,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:24:57,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:24:57,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:24:57,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:24:57,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:24:57,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:24:57,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:24:57,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:24:57,292 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:57,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:24:57,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:24:57,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:24:57,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:24:57,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:24:57,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:24:57,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:24:57,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:24:57,321 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:57,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:24:57,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:24:57,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:24:57,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:24:57,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:24:57,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:24:57,353 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:24:57,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:57,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:24:57,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:24:57,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:24:57,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:24:57,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:24:57,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:24:57,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:24:57,406 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:57,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:24:57,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:24:57,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:24:57,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:24:57,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:24:57,454 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:24:57,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:24:57,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:57,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:24:57,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:24:57,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:24:57,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:24:57,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:24:57,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:24:57,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:24:57,505 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:57,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:24:57,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:24:57,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:24:57,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:24:57,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:24:57,553 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:24:57,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:24:57,580 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:24:57,776 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2020-10-26 04:24:57,776 INFO L444 ModelExtractionUtils]: 14 out of 52 variables were initially zero. Simplification set additionally 35 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:24:57,788 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:24:57,793 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-26 04:24:57,794 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:24:57,794 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~dst~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1) = -1*ULTIMATE.start_cstrcpy_~dst~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1 Supporting invariants [] [2020-10-26 04:24:57,929 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2020-10-26 04:24:57,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-26 04:24:57,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:24:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:24:58,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-26 04:24:58,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:24:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:24:58,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-26 04:24:58,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:24:58,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:24:58,092 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 [2020-10-26 04:24:58,094 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2020-10-26 04:24:58,165 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 24 states and 27 transitions. Complement of second has 6 states. [2020-10-26 04:24:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:24:58,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:24:58,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2020-10-26 04:24:58,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 2 letters. [2020-10-26 04:24:58,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:24:58,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2020-10-26 04:24:58,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:24:58,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 4 letters. [2020-10-26 04:24:58,173 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:24:58,173 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2020-10-26 04:24:58,176 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:24:58,179 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2020-10-26 04:24:58,180 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:24:58,180 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:24:58,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:24:58,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:24:58,181 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:24:58,181 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:24:58,181 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:24:58,181 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:24:58,181 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:24:58,181 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:24:58,182 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:24:58,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:24:58 BoogieIcfgContainer [2020-10-26 04:24:58,187 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:24:58,188 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:24:58,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:24:58,188 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:24:58,189 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:24:54" (3/4) ... [2020-10-26 04:24:58,192 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:24:58,192 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:24:58,194 INFO L168 Benchmark]: Toolchain (without parser) took 5011.64 ms. Allocated memory was 46.1 MB in the beginning and 100.7 MB in the end (delta: 54.5 MB). Free memory was 31.6 MB in the beginning and 57.7 MB in the end (delta: -26.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2020-10-26 04:24:58,194 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 46.1 MB. Free memory was 29.3 MB in the beginning and 29.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:24:58,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.34 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 30.8 MB in the beginning and 27.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:24:58,196 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.09 ms. Allocated memory is still 56.6 MB. Free memory was 27.0 MB in the beginning and 40.0 MB in the end (delta: -13.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:24:58,197 INFO L168 Benchmark]: Boogie Preprocessor took 55.63 ms. Allocated memory is still 56.6 MB. Free memory was 40.0 MB in the beginning and 38.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:24:58,198 INFO L168 Benchmark]: RCFGBuilder took 347.13 ms. Allocated memory is still 56.6 MB. Free memory was 38.7 MB in the beginning and 39.2 MB in the end (delta: -470.6 kB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:24:58,198 INFO L168 Benchmark]: BuchiAutomizer took 3969.55 ms. Allocated memory was 56.6 MB in the beginning and 100.7 MB in the end (delta: 44.0 MB). Free memory was 39.2 MB in the beginning and 58.3 MB in the end (delta: -19.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:24:58,199 INFO L168 Benchmark]: Witness Printer took 4.28 ms. Allocated memory is still 100.7 MB. Free memory was 58.3 MB in the beginning and 57.7 MB in the end (delta: 549.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:24:58,204 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 46.1 MB. Free memory was 29.3 MB in the beginning and 29.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 548.34 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 30.8 MB in the beginning and 27.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.09 ms. Allocated memory is still 56.6 MB. Free memory was 27.0 MB in the beginning and 40.0 MB in the end (delta: -13.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.63 ms. Allocated memory is still 56.6 MB. Free memory was 40.0 MB in the beginning and 38.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 347.13 ms. Allocated memory is still 56.6 MB. Free memory was 38.7 MB in the beginning and 39.2 MB in the end (delta: -470.6 kB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3969.55 ms. Allocated memory was 56.6 MB in the beginning and 100.7 MB in the end (delta: 44.0 MB). Free memory was 39.2 MB in the beginning and 58.3 MB in the end (delta: -19.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.28 ms. Allocated memory is still 100.7 MB. Free memory was 58.3 MB in the beginning and 57.7 MB in the end (delta: 549.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * dst + unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 12 SDslu, 3 SDs, 0 SdLazy, 4 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital203 mio100 ax100 hnf99 lsp97 ukn92 mio100 lsp48 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...