./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrcpy_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_malloc.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 09ae4d51b580facdb6980454a5f3a8886f91c21b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:50:02,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:50:02,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:50:02,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:50:02,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:50:02,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:50:02,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:50:02,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:50:02,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:50:02,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:50:02,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:50:02,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:50:02,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:50:02,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:50:02,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:50:02,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:50:02,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:50:02,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:50:02,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:50:02,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:50:02,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:50:02,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:50:02,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:50:02,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:50:02,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:50:02,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:50:02,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:50:02,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:50:02,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:50:02,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:50:02,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:50:02,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:50:02,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:50:02,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:50:02,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:50:02,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:50:02,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:50:02,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:50:02,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:50:02,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:50:02,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:50:02,855 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-19 18:50:02,884 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:50:02,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:50:02,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:50:02,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:50:02,887 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:50:02,887 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 18:50:02,887 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 18:50:02,887 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 18:50:02,888 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 18:50:02,888 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 18:50:02,888 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 18:50:02,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:50:02,889 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:50:02,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:50:02,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:50:02,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 18:50:02,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 18:50:02,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 18:50:02,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:50:02,890 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 18:50:02,890 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:50:02,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 18:50:02,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:50:02,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:50:02,891 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 18:50:02,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:50:02,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:50:02,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:50:02,892 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 18:50:02,893 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 18:50:02,893 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> 09ae4d51b580facdb6980454a5f3a8886f91c21b [2020-10-19 18:50:03,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:50:03,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:50:03,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:50:03,245 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:50:03,245 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:50:03,246 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2020-10-19 18:50:03,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6b7767ae/4b527ccff05e4e33a5c386b682125792/FLAG16a1722f6 [2020-10-19 18:50:03,810 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:50:03,811 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2020-10-19 18:50:03,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6b7767ae/4b527ccff05e4e33a5c386b682125792/FLAG16a1722f6 [2020-10-19 18:50:04,120 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6b7767ae/4b527ccff05e4e33a5c386b682125792 [2020-10-19 18:50:04,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:50:04,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:50:04,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:50:04,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:50:04,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:50:04,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:50:04" (1/1) ... [2020-10-19 18:50:04,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@741c8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:04, skipping insertion in model container [2020-10-19 18:50:04,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:50:04" (1/1) ... [2020-10-19 18:50:04,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:50:04,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:50:04,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:50:04,547 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:50:04,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:50:04,717 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:50:04,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:04 WrapperNode [2020-10-19 18:50:04,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:50:04,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:50:04,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:50:04,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:50:04,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:04" (1/1) ... [2020-10-19 18:50:04,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:04" (1/1) ... [2020-10-19 18:50:04,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:50:04,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:50:04,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:50:04,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:50:04,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:04" (1/1) ... [2020-10-19 18:50:04,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:04" (1/1) ... [2020-10-19 18:50:04,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:04" (1/1) ... [2020-10-19 18:50:04,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:04" (1/1) ... [2020-10-19 18:50:04,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:04" (1/1) ... [2020-10-19 18:50:04,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:04" (1/1) ... [2020-10-19 18:50:04,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:04" (1/1) ... [2020-10-19 18:50:04,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:50:04,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:50:04,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:50:04,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:50:04,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:04" (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 [2020-10-19 18:50:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-19 18:50:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 18:50:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:50:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:50:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:50:04,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:50:05,069 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:50:05,070 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-19 18:50:05,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:50:05 BoogieIcfgContainer [2020-10-19 18:50:05,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:50:05,073 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 18:50:05,073 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 18:50:05,077 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 18:50:05,078 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:50:05,078 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 06:50:04" (1/3) ... [2020-10-19 18:50:05,079 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72686dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:50:05, skipping insertion in model container [2020-10-19 18:50:05,080 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:50:05,080 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:04" (2/3) ... [2020-10-19 18:50:05,080 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72686dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:50:05, skipping insertion in model container [2020-10-19 18:50:05,081 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:50:05,081 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:50:05" (3/3) ... [2020-10-19 18:50:05,084 INFO L373 chiAutomizerObserver]: Analyzing ICFG cstrcpy_malloc.i [2020-10-19 18:50:05,149 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 18:50:05,150 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 18:50:05,150 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 18:50:05,150 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:50:05,151 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:50:05,151 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 18:50:05,151 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:50:05,154 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 18:50:05,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-19 18:50:05,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 18:50:05,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:50:05,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:50:05,227 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-19 18:50:05,227 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 18:50:05,227 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 18:50:05,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-19 18:50:05,229 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 18:50:05,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:50:05,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:50:05,229 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-19 18:50:05,230 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 18:50:05,236 INFO L794 eck$LassoCheckResult]: Stem: 6#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); 5#L378-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.allocOnHeap(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.allocOnHeap(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset;call write~int(0, 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; 7#L368-3true [2020-10-19 18:50:05,237 INFO L796 eck$LassoCheckResult]: Loop: 7#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 !!(0 != cstrcpy_#t~mem207);havoc cstrcpy_#t~mem207;havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset; 7#L368-3true [2020-10-19 18:50:05,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:50:05,242 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2020-10-19 18:50:05,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:50:05,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393577537] [2020-10-19 18:50:05,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:50:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:05,370 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:05,393 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:05,416 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:50:05,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:50:05,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2020-10-19 18:50:05,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:50:05,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478445929] [2020-10-19 18:50:05,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:50:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:05,430 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:05,439 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:05,448 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:50:05,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:50:05,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2020-10-19 18:50:05,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:50:05,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215395857] [2020-10-19 18:50:05,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:50:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:05,485 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:05,541 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:05,554 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:50:05,682 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-10-19 18:50:06,110 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2020-10-19 18:50:06,271 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-19 18:50:06,286 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:50:06,290 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:50:06,290 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:50:06,290 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:50:06,290 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:50:06,291 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:06,291 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:50:06,291 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:50:06,291 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy_malloc.i_Iteration1_Lasso [2020-10-19 18:50:06,292 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:50:06,292 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:50:06,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:06,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:06,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:06,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:06,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:06,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:06,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:06,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:06,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:06,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:06,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:06,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:06,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:06,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:06,764 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2020-10-19 18:50:06,920 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2020-10-19 18:50:06,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:07,935 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-19 18:50:07,991 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:50:07,996 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 [2020-10-19 18:50:08,011 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 [2020-10-19 18:50:08,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:08,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:08,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:08,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:08,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:08,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:08,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:08,035 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 [2020-10-19 18:50:08,065 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 [2020-10-19 18:50:08,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:08,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:08,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:08,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:08,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:08,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:08,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:08,070 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 [2020-10-19 18:50:08,098 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 [2020-10-19 18:50:08,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:08,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:08,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:08,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:08,105 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:08,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:08,110 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 [2020-10-19 18:50:08,143 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 [2020-10-19 18:50:08,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:08,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:08,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:08,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:08,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:08,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:08,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:08,154 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 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 [2020-10-19 18:50:08,179 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 [2020-10-19 18:50:08,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:08,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:08,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:08,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:08,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:08,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:08,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:08,185 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) [2020-10-19 18:50:08,226 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 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:08,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:08,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:08,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:08,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:08,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:08,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:08,236 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 [2020-10-19 18:50:08,263 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 [2020-10-19 18:50:08,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:08,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:08,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:08,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:08,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:08,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:08,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:08,267 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 [2020-10-19 18:50:08,299 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 [2020-10-19 18:50:08,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:08,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:08,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:08,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:08,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:08,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:08,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:08,312 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 [2020-10-19 18:50:08,337 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 [2020-10-19 18:50:08,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:08,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:08,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:08,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:08,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:08,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:08,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:08,342 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 [2020-10-19 18:50:08,365 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 [2020-10-19 18:50:08,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:08,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:08,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:08,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:08,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:08,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:08,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:08,368 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 [2020-10-19 18:50:08,397 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 [2020-10-19 18:50:08,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:08,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:08,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:08,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:08,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:08,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:08,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:08,402 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 [2020-10-19 18:50:08,424 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 [2020-10-19 18:50:08,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:08,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:08,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:08,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:08,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:08,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:08,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:08,428 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 [2020-10-19 18:50:08,456 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 [2020-10-19 18:50:08,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:08,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:08,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:08,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:08,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:08,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:08,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:08,463 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 [2020-10-19 18:50:08,487 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 [2020-10-19 18:50:08,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:08,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:08,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:08,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:08,494 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:08,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:08,501 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 [2020-10-19 18:50:08,524 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 [2020-10-19 18:50:08,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:08,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:08,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:08,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:08,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:08,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:08,537 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 [2020-10-19 18:50:08,563 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 [2020-10-19 18:50:08,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:08,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:08,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:08,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:08,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:08,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:08,575 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 [2020-10-19 18:50:08,596 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 [2020-10-19 18:50:08,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:08,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:08,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:08,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:08,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:08,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:08,610 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:50:08,657 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 [2020-10-19 18:50:08,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:08,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:08,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:08,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:08,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:08,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:08,701 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:50:08,831 INFO L443 ModelExtractionUtils]: Simplification made 30 calls to the SMT solver. [2020-10-19 18:50:08,832 INFO L444 ModelExtractionUtils]: 18 out of 52 variables were initially zero. Simplification set additionally 31 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:50:08,847 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:08,853 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-19 18:50:08,853 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:50:08,854 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1, ULTIMATE.start_cstrcpy_~dst~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1 - 1*ULTIMATE.start_cstrcpy_~dst~0.offset Supporting invariants [] [2020-10-19 18:50:08,994 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2020-10-19 18:50:09,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-19 18:50:09,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:50:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:50:09,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-19 18:50:09,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:50:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:50:09,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-19 18:50:09,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:50:09,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:50:09,161 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 [2020-10-19 18:50:09,163 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2020-10-19 18:50:09,226 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 27 states and 30 transitions. Complement of second has 5 states. [2020-10-19 18:50:09,227 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 [2020-10-19 18:50:09,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 18:50:09,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2020-10-19 18:50:09,232 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2020-10-19 18:50:09,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:50:09,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2020-10-19 18:50:09,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:50:09,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2020-10-19 18:50:09,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:50:09,235 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2020-10-19 18:50:09,239 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:50:09,242 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2020-10-19 18:50:09,244 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 18:50:09,244 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 18:50:09,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 18:50:09,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:50:09,246 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:50:09,246 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:50:09,246 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:50:09,246 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 18:50:09,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:50:09,247 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:50:09,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 18:50:09,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 06:50:09 BoogieIcfgContainer [2020-10-19 18:50:09,254 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 18:50:09,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:50:09,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:50:09,255 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:50:09,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:50:05" (3/4) ... [2020-10-19 18:50:09,259 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:50:09,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:50:09,262 INFO L168 Benchmark]: Toolchain (without parser) took 5135.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.2 MB). Free memory was 954.6 MB in the beginning and 950.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 213.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:50:09,263 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:50:09,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:50:09,265 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:50:09,265 INFO L168 Benchmark]: Boogie Preprocessor took 24.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:50:09,266 INFO L168 Benchmark]: RCFGBuilder took 285.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2020-10-19 18:50:09,267 INFO L168 Benchmark]: BuchiAutomizer took 4181.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 950.9 MB in the end (delta: 139.2 MB). Peak memory consumption was 209.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:50:09,267 INFO L168 Benchmark]: Witness Printer took 5.00 ms. Allocated memory is still 1.2 GB. Free memory is still 950.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:50:09,272 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 585.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 285.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4181.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 950.9 MB in the end (delta: 139.2 MB). Peak memory consumption was 209.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.00 ms. Allocated memory is still 1.2 GB. Free memory is still 950.9 MB. There was no memory consumed. Max. memory is 11.5 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 unknown-#length-unknown[malloc(length1 * sizeof(char))] + -1 * dst and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. 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: 16 SDtfs, 15 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital210 mio100 ax100 hnf99 lsp97 ukn93 mio100 lsp45 div100 bol100 ite100 ukn100 eq197 hnf88 smp100 dnf197 smp92 tf100 neg97 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms 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...