./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-libowfat/strtol.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c 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-libowfat/strtol.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 7d3a15f933181b44751784c7ab9846d6b1216531 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:32:23,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:32:23,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:32:23,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:32:23,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:32:23,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:32:23,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:32:23,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:32:23,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:32:23,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:32:23,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:32:23,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:32:23,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:32:23,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:32:23,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:32:23,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:32:23,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:32:23,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:32:23,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:32:23,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:32:23,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:32:23,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:32:23,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:32:23,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:32:23,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:32:23,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:32:23,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:32:23,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:32:23,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:32:23,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:32:23,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:32:23,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:32:23,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:32:23,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:32:23,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:32:23,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:32:23,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:32:23,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:32:23,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:32:23,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:32:23,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:32:23,852 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 20:32:23,877 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:32:23,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:32:23,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:32:23,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:32:23,880 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:32:23,881 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:32:23,881 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:32:23,881 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:32:23,881 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:32:23,882 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:32:23,883 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:32:23,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:32:23,883 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:32:23,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:32:23,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:32:23,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:32:23,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:32:23,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:32:23,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:32:23,885 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:32:23,886 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:32:23,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:32:23,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:32:23,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:32:23,887 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:32:23,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:32:23,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:32:23,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:32:23,888 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:32:23,890 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:32:23,890 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 -> 7d3a15f933181b44751784c7ab9846d6b1216531 [2019-11-28 20:32:24,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:32:24,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:32:24,218 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:32:24,220 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:32:24,221 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:32:24,222 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-libowfat/strtol.i [2019-11-28 20:32:24,298 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd6f7f137/556c3b61107346a1b0cb7e73fcf86773/FLAGd8b50d09c [2019-11-28 20:32:24,882 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:32:24,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-libowfat/strtol.i [2019-11-28 20:32:24,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd6f7f137/556c3b61107346a1b0cb7e73fcf86773/FLAGd8b50d09c [2019-11-28 20:32:25,171 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd6f7f137/556c3b61107346a1b0cb7e73fcf86773 [2019-11-28 20:32:25,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:32:25,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:32:25,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:32:25,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:32:25,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:32:25,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:32:25" (1/1) ... [2019-11-28 20:32:25,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c09576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:25, skipping insertion in model container [2019-11-28 20:32:25,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:32:25" (1/1) ... [2019-11-28 20:32:25,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:32:25,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:32:25,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:32:25,703 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:32:25,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:32:25,848 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:32:25,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:25 WrapperNode [2019-11-28 20:32:25,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:32:25,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:32:25,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:32:25,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:32:25,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:25" (1/1) ... [2019-11-28 20:32:25,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:25" (1/1) ... [2019-11-28 20:32:25,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:32:25,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:32:25,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:32:25,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:32:25,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:25" (1/1) ... [2019-11-28 20:32:25,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:25" (1/1) ... [2019-11-28 20:32:25,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:25" (1/1) ... [2019-11-28 20:32:25,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:25" (1/1) ... [2019-11-28 20:32:25,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:25" (1/1) ... [2019-11-28 20:32:25,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:25" (1/1) ... [2019-11-28 20:32:25,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:25" (1/1) ... [2019-11-28 20:32:25,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:32:25,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:32:25,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:32:25,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:32:25,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:25" (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 [2019-11-28 20:32:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:32:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:32:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:32:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 20:32:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 20:32:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:32:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 20:32:26,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:32:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:32:26,545 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:32:26,545 INFO L287 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-28 20:32:26,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:32:26 BoogieIcfgContainer [2019-11-28 20:32:26,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:32:26,548 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:32:26,548 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:32:26,552 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:32:26,553 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:32:26,553 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:32:25" (1/3) ... [2019-11-28 20:32:26,554 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@323fb1fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:32:26, skipping insertion in model container [2019-11-28 20:32:26,555 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:32:26,555 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:25" (2/3) ... [2019-11-28 20:32:26,555 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@323fb1fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:32:26, skipping insertion in model container [2019-11-28 20:32:26,556 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:32:26,556 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:32:26" (3/3) ... [2019-11-28 20:32:26,558 INFO L371 chiAutomizerObserver]: Analyzing ICFG strtol.i [2019-11-28 20:32:26,602 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:32:26,602 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:32:26,602 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:32:26,602 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:32:26,603 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:32:26,603 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:32:26,603 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:32:26,603 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:32:26,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states. [2019-11-28 20:32:26,640 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2019-11-28 20:32:26,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:32:26,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:32:26,646 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 20:32:26,646 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:32:26,647 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:32:26,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states. [2019-11-28 20:32:26,651 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2019-11-28 20:32:26,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:32:26,652 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:32:26,652 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 20:32:26,652 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:32:26,658 INFO L794 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet29, main_#t~malloc30.base, main_#t~malloc30.offset, main_#t~nondet31, main_#t~ret32, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~base~0, main_~#end~0.base, main_~#end~0.offset;main_~in_len~0 := main_#t~nondet29;havoc main_#t~nondet29; 42#L562true assume !(main_~in_len~0 < 1);call main_#t~malloc30.base, main_#t~malloc30.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc30.base, main_#t~malloc30.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~base~0 := main_#t~nondet31;havoc main_#t~nondet31;call main_~#end~0.base, main_~#end~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#end~0.base, main_~#end~0.offset, 8);strtol_#in~nptr.base, strtol_#in~nptr.offset, strtol_#in~endptr.base, strtol_#in~endptr.offset, strtol_#in~base := main_~in~0.base, main_~in~0.offset, main_~#end~0.base, main_~#end~0.offset, main_~base~0;havoc strtol_#res;havoc strtol_#t~post22.base, strtol_#t~post22.offset, strtol_#t~mem21, strtol_#t~mem23, strtol_#t~pre24.base, strtol_#t~pre24.offset, strtol_#t~ret25, strtol_#t~mem26.base, strtol_#t~mem26.offset, strtol_#t~short27, strtol_#t~ite28, strtol_~nptr.base, strtol_~nptr.offset, strtol_~endptr.base, strtol_~endptr.offset, strtol_~base, strtol_~neg~1, strtol_~v~1, strtol_~orig~1.base, strtol_~orig~1.offset;strtol_~nptr.base, strtol_~nptr.offset := strtol_#in~nptr.base, strtol_#in~nptr.offset;strtol_~endptr.base, strtol_~endptr.offset := strtol_#in~endptr.base, strtol_#in~endptr.offset;strtol_~base := strtol_#in~base;strtol_~neg~1 := 0;havoc strtol_~v~1;strtol_~orig~1.base, strtol_~orig~1.offset := strtol_~nptr.base, strtol_~nptr.offset; 15#L554-3true [2019-11-28 20:32:26,659 INFO L796 eck$LassoCheckResult]: Loop: 15#L554-3true call strtol_#t~mem21 := read~int(strtol_~nptr.base, strtol_~nptr.offset, 1); 12#L554-1true assume !!(32 == strtol_#t~mem21);havoc strtol_#t~mem21;strtol_#t~post22.base, strtol_#t~post22.offset := strtol_~nptr.base, strtol_~nptr.offset;strtol_~nptr.base, strtol_~nptr.offset := strtol_#t~post22.base, 1 + strtol_#t~post22.offset;havoc strtol_#t~post22.base, strtol_#t~post22.offset; 15#L554-3true [2019-11-28 20:32:26,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:26,664 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-28 20:32:26,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:32:26,671 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502260693] [2019-11-28 20:32:26,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:32:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:26,830 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:32:26,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:26,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1350, now seen corresponding path program 1 times [2019-11-28 20:32:26,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:32:26,833 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868583435] [2019-11-28 20:32:26,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:32:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:26,848 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:32:26,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:26,850 INFO L82 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2019-11-28 20:32:26,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:32:26,850 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528007872] [2019-11-28 20:32:26,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:32:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:26,913 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:32:27,435 WARN L192 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 103 [2019-11-28 20:32:27,607 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-11-28 20:32:27,620 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:32:27,621 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:32:27,622 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:32:27,622 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:32:27,622 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:32:27,623 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:27,623 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:32:27,623 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:32:27,623 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtol.i_Iteration1_Lasso [2019-11-28 20:32:27,624 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:32:27,624 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:32:27,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:27,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:27,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:27,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:27,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:27,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:27,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:27,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:27,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:27,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:28,002 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-11-28 20:32:28,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:28,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:28,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:28,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:28,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:28,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:28,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:28,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:28,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:28,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:28,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:28,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:28,623 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:32:28,631 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) [2019-11-28 20:32:28,644 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 [2019-11-28 20:32:28,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:28,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:28,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:28,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:28,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:28,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:28,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:28,664 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) [2019-11-28 20:32:28,685 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 [2019-11-28 20:32:28,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:28,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:28,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:28,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:28,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:28,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:28,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:28,692 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 [2019-11-28 20:32:28,700 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 [2019-11-28 20:32:28,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:28,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:28,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:28,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:28,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:28,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:28,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:32:28,709 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 [2019-11-28 20:32:28,723 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 [2019-11-28 20:32:28,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:28,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:28,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:28,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:28,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:28,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:28,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:32:28,730 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 [2019-11-28 20:32:28,750 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 [2019-11-28 20:32:28,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:28,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:28,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:28,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:28,757 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:28,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:32:28,762 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) [2019-11-28 20:32:28,794 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 [2019-11-28 20:32:28,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:28,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:28,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:28,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:28,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:28,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:28,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:32:28,802 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 [2019-11-28 20:32:28,820 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 [2019-11-28 20:32:28,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:28,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:28,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:28,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:28,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:28,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:28,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:32:28,826 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 [2019-11-28 20:32:28,838 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 [2019-11-28 20:32:28,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:28,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:28,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:28,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:28,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:28,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:28,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:32:28,844 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 [2019-11-28 20:32:28,871 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 [2019-11-28 20:32:28,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:28,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:28,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:28,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:28,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:28,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:32:28,882 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 [2019-11-28 20:32:28,894 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 [2019-11-28 20:32:28,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:28,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:28,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:28,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:28,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:28,902 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:32:28,910 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Exception during sending of exit command (exit): Broken pipe 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 [2019-11-28 20:32:28,928 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 [2019-11-28 20:32:28,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:28,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:28,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:28,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:28,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:28,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:28,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:32:28,937 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) [2019-11-28 20:32:28,955 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 [2019-11-28 20:32:28,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:28,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:28,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:28,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:28,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:28,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:28,967 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 [2019-11-28 20:32:28,979 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 [2019-11-28 20:32:28,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:28,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:28,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:28,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:28,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:28,985 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:32:28,989 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 [2019-11-28 20:32:28,999 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 [2019-11-28 20:32:29,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:29,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:29,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:29,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:29,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:29,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:32:29,009 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) [2019-11-28 20:32:29,028 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:29,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:29,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:29,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:29,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:29,033 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:29,033 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:32:29,037 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) [2019-11-28 20:32:29,047 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:29,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:29,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:29,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:29,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:29,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:29,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:32:29,074 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:32:29,199 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-28 20:32:29,199 INFO L444 ModelExtractionUtils]: 16 out of 28 variables were initially zero. Simplification set additionally 9 variables to zero. 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) [2019-11-28 20:32:29,216 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:29,220 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:32:29,220 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:32:29,221 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strtol_~nptr.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc30.base)_1) = -1*ULTIMATE.start_strtol_~nptr.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc30.base)_1 Supporting invariants [] [2019-11-28 20:32:29,265 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2019-11-28 20:32:29,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 20:32:29,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:32:29,368 INFO L264 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 20:32:29,370 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:32:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:32:29,389 WARN L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 20:32:29,389 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:32:29,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:32:29,428 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 [2019-11-28 20:32:29,430 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states. Second operand 3 states. [2019-11-28 20:32:29,760 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states.. Second operand 3 states. Result 192 states and 307 transitions. Complement of second has 8 states. [2019-11-28 20:32:29,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:32:29,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:32:29,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 187 transitions. [2019-11-28 20:32:29,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 187 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-28 20:32:29,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:32:29,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 187 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 20:32:29,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:32:29,769 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 187 transitions. Stem has 3 letters. Loop has 4 letters. [2019-11-28 20:32:29,769 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:32:29,770 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 192 states and 307 transitions. [2019-11-28 20:32:29,779 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 22 [2019-11-28 20:32:29,786 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 192 states to 60 states and 87 transitions. [2019-11-28 20:32:29,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 53 [2019-11-28 20:32:29,788 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 58 [2019-11-28 20:32:29,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 87 transitions. [2019-11-28 20:32:29,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:32:29,789 INFO L688 BuchiCegarLoop]: Abstraction has 60 states and 87 transitions. [2019-11-28 20:32:29,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states and 87 transitions. [2019-11-28 20:32:29,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 35. [2019-11-28 20:32:29,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-28 20:32:29,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2019-11-28 20:32:29,822 INFO L711 BuchiCegarLoop]: Abstraction has 35 states and 50 transitions. [2019-11-28 20:32:29,822 INFO L591 BuchiCegarLoop]: Abstraction has 35 states and 50 transitions. [2019-11-28 20:32:29,823 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:32:29,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 50 transitions. [2019-11-28 20:32:29,824 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2019-11-28 20:32:29,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:32:29,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:32:29,825 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:32:29,825 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:32:29,826 INFO L794 eck$LassoCheckResult]: Stem: 348#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 327#L-1 havoc main_#res;havoc main_#t~nondet29, main_#t~malloc30.base, main_#t~malloc30.offset, main_#t~nondet31, main_#t~ret32, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~base~0, main_~#end~0.base, main_~#end~0.offset;main_~in_len~0 := main_#t~nondet29;havoc main_#t~nondet29; 328#L562 assume !(main_~in_len~0 < 1);call main_#t~malloc30.base, main_#t~malloc30.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc30.base, main_#t~malloc30.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~base~0 := main_#t~nondet31;havoc main_#t~nondet31;call main_~#end~0.base, main_~#end~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#end~0.base, main_~#end~0.offset, 8);strtol_#in~nptr.base, strtol_#in~nptr.offset, strtol_#in~endptr.base, strtol_#in~endptr.offset, strtol_#in~base := main_~in~0.base, main_~in~0.offset, main_~#end~0.base, main_~#end~0.offset, main_~base~0;havoc strtol_#res;havoc strtol_#t~post22.base, strtol_#t~post22.offset, strtol_#t~mem21, strtol_#t~mem23, strtol_#t~pre24.base, strtol_#t~pre24.offset, strtol_#t~ret25, strtol_#t~mem26.base, strtol_#t~mem26.offset, strtol_#t~short27, strtol_#t~ite28, strtol_~nptr.base, strtol_~nptr.offset, strtol_~endptr.base, strtol_~endptr.offset, strtol_~base, strtol_~neg~1, strtol_~v~1, strtol_~orig~1.base, strtol_~orig~1.offset;strtol_~nptr.base, strtol_~nptr.offset := strtol_#in~nptr.base, strtol_#in~nptr.offset;strtol_~endptr.base, strtol_~endptr.offset := strtol_#in~endptr.base, strtol_#in~endptr.offset;strtol_~base := strtol_#in~base;strtol_~neg~1 := 0;havoc strtol_~v~1;strtol_~orig~1.base, strtol_~orig~1.offset := strtol_~nptr.base, strtol_~nptr.offset; 338#L554-3 call strtol_#t~mem21 := read~int(strtol_~nptr.base, strtol_~nptr.offset, 1); 329#L554-1 assume !(32 == strtol_#t~mem21);havoc strtol_#t~mem21; 330#L554-4 call strtol_#t~mem23 := read~int(strtol_~nptr.base, strtol_~nptr.offset, 1); 321#L555 assume !(45 == strtol_#t~mem23);havoc strtol_#t~mem23; 322#L555-2 strtoul_#in~ptr.base, strtoul_#in~ptr.offset, strtoul_#in~endptr.base, strtoul_#in~endptr.offset, strtoul_#in~base := strtol_~nptr.base, strtol_~nptr.offset, strtol_~endptr.base, strtol_~endptr.offset, strtol_~base;havoc strtoul_#res;havoc strtoul_#t~pre3.base, strtoul_#t~pre3.offset, strtoul_#t~mem2, strtoul_#t~mem4, strtoul_#t~post5.base, strtoul_#t~post5.offset, strtoul_#t~mem6, strtoul_#t~pre7.base, strtoul_#t~pre7.offset, strtoul_#t~mem8, strtoul_#t~short9, strtoul_~b~0, strtoul_#t~mem10, strtoul_#t~mem11, strtoul_#t~mem12, strtoul_#t~short13, strtoul_#t~mem14, strtoul_#t~ite17, strtoul_#t~ite16, strtoul_#t~ite15, strtoul_~x~0, strtoul_~w~0, strtoul_#t~pre18.base, strtoul_#t~pre18.offset, strtoul_~c~0, strtoul_#t~mem19, strtoul_#t~ite20, strtoul_~ptr.base, strtoul_~ptr.offset, strtoul_~endptr.base, strtoul_~endptr.offset, strtoul_~base, strtoul_~neg~0, strtoul_~v~0, strtoul_~orig~0.base, strtoul_~orig~0.offset, strtoul_~nptr~0.base, strtoul_~nptr~0.offset;strtoul_~ptr.base, strtoul_~ptr.offset := strtoul_#in~ptr.base, strtoul_#in~ptr.offset;strtoul_~endptr.base, strtoul_~endptr.offset := strtoul_#in~endptr.base, strtoul_#in~endptr.offset;strtoul_~base := strtoul_#in~base;strtoul_~neg~0 := 0;strtoul_~v~0 := 0;havoc strtoul_~orig~0.base, strtoul_~orig~0.offset;strtoul_~nptr~0.base, strtoul_~nptr~0.offset := strtoul_~ptr.base, strtoul_~ptr.offset; 336#L512-3 [2019-11-28 20:32:29,826 INFO L796 eck$LassoCheckResult]: Loop: 336#L512-3 call strtoul_#t~mem2 := read~int(strtoul_~nptr~0.base, strtoul_~nptr~0.offset, 1); 337#L512-1 assume !!(32 == strtoul_#t~mem2);havoc strtoul_#t~mem2;strtoul_#t~pre3.base, strtoul_#t~pre3.offset := strtoul_~nptr~0.base, 1 + strtoul_~nptr~0.offset;strtoul_~nptr~0.base, strtoul_~nptr~0.offset := strtoul_~nptr~0.base, 1 + strtoul_~nptr~0.offset;havoc strtoul_#t~pre3.base, strtoul_#t~pre3.offset; 336#L512-3 [2019-11-28 20:32:29,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:29,827 INFO L82 PathProgramCache]: Analyzing trace with hash 179507088, now seen corresponding path program 1 times [2019-11-28 20:32:29,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:32:29,827 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255860297] [2019-11-28 20:32:29,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:32:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:29,876 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:32:29,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:29,877 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 1 times [2019-11-28 20:32:29,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:32:29,878 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162613848] [2019-11-28 20:32:29,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:32:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:29,891 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:32:29,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:29,892 INFO L82 PathProgramCache]: Analyzing trace with hash 707620789, now seen corresponding path program 1 times [2019-11-28 20:32:29,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:32:29,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157540918] [2019-11-28 20:32:29,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:32:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:32:30,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:32:30,005 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157540918] [2019-11-28 20:32:30,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:32:30,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:32:30,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806708128] [2019-11-28 20:32:30,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:32:30,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:32:30,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:32:30,041 INFO L87 Difference]: Start difference. First operand 35 states and 50 transitions. cyclomatic complexity: 18 Second operand 6 states. [2019-11-28 20:32:30,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:32:30,225 INFO L93 Difference]: Finished difference Result 77 states and 112 transitions. [2019-11-28 20:32:30,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 20:32:30,226 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 112 transitions. [2019-11-28 20:32:30,230 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 20 [2019-11-28 20:32:30,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 77 states and 112 transitions. [2019-11-28 20:32:30,235 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 75 [2019-11-28 20:32:30,236 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 75 [2019-11-28 20:32:30,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 112 transitions. [2019-11-28 20:32:30,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:32:30,237 INFO L688 BuchiCegarLoop]: Abstraction has 77 states and 112 transitions. [2019-11-28 20:32:30,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 112 transitions. [2019-11-28 20:32:30,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 38. [2019-11-28 20:32:30,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-28 20:32:30,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2019-11-28 20:32:30,244 INFO L711 BuchiCegarLoop]: Abstraction has 38 states and 53 transitions. [2019-11-28 20:32:30,244 INFO L591 BuchiCegarLoop]: Abstraction has 38 states and 53 transitions. [2019-11-28 20:32:30,244 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 20:32:30,244 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 53 transitions. [2019-11-28 20:32:30,246 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2019-11-28 20:32:30,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:32:30,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:32:30,248 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:32:30,249 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:32:30,249 INFO L794 eck$LassoCheckResult]: Stem: 477#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 454#L-1 havoc main_#res;havoc main_#t~nondet29, main_#t~malloc30.base, main_#t~malloc30.offset, main_#t~nondet31, main_#t~ret32, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~base~0, main_~#end~0.base, main_~#end~0.offset;main_~in_len~0 := main_#t~nondet29;havoc main_#t~nondet29; 455#L562 assume !(main_~in_len~0 < 1);call main_#t~malloc30.base, main_#t~malloc30.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc30.base, main_#t~malloc30.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~base~0 := main_#t~nondet31;havoc main_#t~nondet31;call main_~#end~0.base, main_~#end~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#end~0.base, main_~#end~0.offset, 8);strtol_#in~nptr.base, strtol_#in~nptr.offset, strtol_#in~endptr.base, strtol_#in~endptr.offset, strtol_#in~base := main_~in~0.base, main_~in~0.offset, main_~#end~0.base, main_~#end~0.offset, main_~base~0;havoc strtol_#res;havoc strtol_#t~post22.base, strtol_#t~post22.offset, strtol_#t~mem21, strtol_#t~mem23, strtol_#t~pre24.base, strtol_#t~pre24.offset, strtol_#t~ret25, strtol_#t~mem26.base, strtol_#t~mem26.offset, strtol_#t~short27, strtol_#t~ite28, strtol_~nptr.base, strtol_~nptr.offset, strtol_~endptr.base, strtol_~endptr.offset, strtol_~base, strtol_~neg~1, strtol_~v~1, strtol_~orig~1.base, strtol_~orig~1.offset;strtol_~nptr.base, strtol_~nptr.offset := strtol_#in~nptr.base, strtol_#in~nptr.offset;strtol_~endptr.base, strtol_~endptr.offset := strtol_#in~endptr.base, strtol_#in~endptr.offset;strtol_~base := strtol_#in~base;strtol_~neg~1 := 0;havoc strtol_~v~1;strtol_~orig~1.base, strtol_~orig~1.offset := strtol_~nptr.base, strtol_~nptr.offset; 466#L554-3 call strtol_#t~mem21 := read~int(strtol_~nptr.base, strtol_~nptr.offset, 1); 460#L554-1 assume !(32 == strtol_#t~mem21);havoc strtol_#t~mem21; 462#L554-4 call strtol_#t~mem23 := read~int(strtol_~nptr.base, strtol_~nptr.offset, 1); 479#L555 assume 45 == strtol_#t~mem23;havoc strtol_#t~mem23;strtol_~neg~1 := -1;strtol_#t~pre24.base, strtol_#t~pre24.offset := strtol_~nptr.base, 1 + strtol_~nptr.offset;strtol_~nptr.base, strtol_~nptr.offset := strtol_~nptr.base, 1 + strtol_~nptr.offset;havoc strtol_#t~pre24.base, strtol_#t~pre24.offset; 480#L555-2 strtoul_#in~ptr.base, strtoul_#in~ptr.offset, strtoul_#in~endptr.base, strtoul_#in~endptr.offset, strtoul_#in~base := strtol_~nptr.base, strtol_~nptr.offset, strtol_~endptr.base, strtol_~endptr.offset, strtol_~base;havoc strtoul_#res;havoc strtoul_#t~pre3.base, strtoul_#t~pre3.offset, strtoul_#t~mem2, strtoul_#t~mem4, strtoul_#t~post5.base, strtoul_#t~post5.offset, strtoul_#t~mem6, strtoul_#t~pre7.base, strtoul_#t~pre7.offset, strtoul_#t~mem8, strtoul_#t~short9, strtoul_~b~0, strtoul_#t~mem10, strtoul_#t~mem11, strtoul_#t~mem12, strtoul_#t~short13, strtoul_#t~mem14, strtoul_#t~ite17, strtoul_#t~ite16, strtoul_#t~ite15, strtoul_~x~0, strtoul_~w~0, strtoul_#t~pre18.base, strtoul_#t~pre18.offset, strtoul_~c~0, strtoul_#t~mem19, strtoul_#t~ite20, strtoul_~ptr.base, strtoul_~ptr.offset, strtoul_~endptr.base, strtoul_~endptr.offset, strtoul_~base, strtoul_~neg~0, strtoul_~v~0, strtoul_~orig~0.base, strtoul_~orig~0.offset, strtoul_~nptr~0.base, strtoul_~nptr~0.offset;strtoul_~ptr.base, strtoul_~ptr.offset := strtoul_#in~ptr.base, strtoul_#in~ptr.offset;strtoul_~endptr.base, strtoul_~endptr.offset := strtoul_#in~endptr.base, strtoul_#in~endptr.offset;strtoul_~base := strtoul_#in~base;strtoul_~neg~0 := 0;strtoul_~v~0 := 0;havoc strtoul_~orig~0.base, strtoul_~orig~0.offset;strtoul_~nptr~0.base, strtoul_~nptr~0.offset := strtoul_~ptr.base, strtoul_~ptr.offset; 463#L512-3 [2019-11-28 20:32:30,249 INFO L796 eck$LassoCheckResult]: Loop: 463#L512-3 call strtoul_#t~mem2 := read~int(strtoul_~nptr~0.base, strtoul_~nptr~0.offset, 1); 464#L512-1 assume !!(32 == strtoul_#t~mem2);havoc strtoul_#t~mem2;strtoul_#t~pre3.base, strtoul_#t~pre3.offset := strtoul_~nptr~0.base, 1 + strtoul_~nptr~0.offset;strtoul_~nptr~0.base, strtoul_~nptr~0.offset := strtoul_~nptr~0.base, 1 + strtoul_~nptr~0.offset;havoc strtoul_#t~pre3.base, strtoul_#t~pre3.offset; 463#L512-3 [2019-11-28 20:32:30,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:30,250 INFO L82 PathProgramCache]: Analyzing trace with hash 179507026, now seen corresponding path program 1 times [2019-11-28 20:32:30,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:32:30,250 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819553723] [2019-11-28 20:32:30,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:32:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:30,316 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:32:30,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:30,320 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 2 times [2019-11-28 20:32:30,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:32:30,321 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827679321] [2019-11-28 20:32:30,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:32:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:30,340 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:32:30,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:30,341 INFO L82 PathProgramCache]: Analyzing trace with hash 707561207, now seen corresponding path program 1 times [2019-11-28 20:32:30,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:32:30,342 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759733966] [2019-11-28 20:32:30,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:32:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:30,419 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:32:31,159 WARN L192 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 149 [2019-11-28 20:32:31,483 WARN L192 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-11-28 20:32:31,490 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:32:31,490 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:32:31,490 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:32:31,490 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:32:31,491 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:32:31,491 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:31,491 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:32:31,491 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:32:31,491 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtol.i_Iteration3_Lasso [2019-11-28 20:32:31,491 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:32:31,491 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:32:31,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:31,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:31,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:31,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:31,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:31,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:31,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:31,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:31,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,015 WARN L192 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-11-28 20:32:32,133 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2019-11-28 20:32:32,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:32,944 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:32:32,944 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:32,955 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 [2019-11-28 20:32:32,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:32,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:32,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:32,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:32,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:32,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:32,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:32:32,960 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 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:32,971 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 [2019-11-28 20:32:32,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:32,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:32,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:32,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:32,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:32,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:32,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:32:32,976 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:32,985 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:32,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:32,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:32,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:32,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:32,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:32,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:32,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:32:32,991 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:33,005 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 [2019-11-28 20:32:33,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:33,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:33,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:33,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:33,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:33,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:32:33,029 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:33,039 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 [2019-11-28 20:32:33,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:33,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:33,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:33,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:33,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:33,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:33,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:33,044 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:33,053 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 [2019-11-28 20:32:33,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:33,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:33,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:33,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:33,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:33,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:33,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:33,063 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:33,070 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 [2019-11-28 20:32:33,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:33,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:33,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:33,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:33,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:33,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:33,078 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:33,088 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 [2019-11-28 20:32:33,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:33,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:33,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:33,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:33,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:33,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:33,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:33,094 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:33,103 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 [2019-11-28 20:32:33,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:33,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:33,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:33,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:33,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:33,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:33,114 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:33,122 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 [2019-11-28 20:32:33,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:33,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:33,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:33,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:33,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:33,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:33,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:33,128 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:33,135 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 [2019-11-28 20:32:33,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:33,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:33,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:33,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:33,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:33,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:33,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:33,141 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 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:33,147 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 [2019-11-28 20:32:33,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:33,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:33,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:33,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:33,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:33,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:32:33,160 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:33,172 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 [2019-11-28 20:32:33,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:33,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:33,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:33,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:33,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:33,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:33,180 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:33,187 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 [2019-11-28 20:32:33,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:33,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:33,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:33,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:33,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:33,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:33,195 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:33,201 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 [2019-11-28 20:32:33,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:33,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:33,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:33,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:33,205 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:33,205 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:33,214 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:33,223 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 [2019-11-28 20:32:33,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:33,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:33,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:33,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:33,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:33,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:32:33,253 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:32:33,290 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-28 20:32:33,290 INFO L444 ModelExtractionUtils]: 26 out of 40 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:33,296 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:33,299 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:32:33,299 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:32:33,299 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strtoul_~nptr~0.offset, v_rep(select #length ULTIMATE.start_main_~in~0.base)_1) = -1*ULTIMATE.start_strtoul_~nptr~0.offset + 1*v_rep(select #length ULTIMATE.start_main_~in~0.base)_1 Supporting invariants [] [2019-11-28 20:32:33,351 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2019-11-28 20:32:33,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 20:32:33,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:32:33,409 INFO L264 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-28 20:32:33,412 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:32:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:32:33,433 WARN L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 20:32:33,433 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:32:33,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:32:33,451 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-28 20:32:33,451 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 53 transitions. cyclomatic complexity: 18 Second operand 4 states. [2019-11-28 20:32:33,573 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 53 transitions. cyclomatic complexity: 18. Second operand 4 states. Result 77 states and 110 transitions. Complement of second has 7 states. [2019-11-28 20:32:33,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:32:33,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:32:33,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 56 transitions. [2019-11-28 20:32:33,575 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-28 20:32:33,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:32:33,576 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 10 letters. Loop has 2 letters. [2019-11-28 20:32:33,578 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:32:33,578 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 8 letters. Loop has 4 letters. [2019-11-28 20:32:33,578 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:32:33,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 110 transitions. [2019-11-28 20:32:33,580 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:32:33,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 0 states and 0 transitions. [2019-11-28 20:32:33,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:32:33,583 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:32:33,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:32:33,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:32:33,583 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:32:33,583 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:32:33,584 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:32:33,584 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 20:32:33,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:32:33,584 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:32:33,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:32:33,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:32:33 BoogieIcfgContainer [2019-11-28 20:32:33,593 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:32:33,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:32:33,595 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:32:33,596 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:32:33,596 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:32:26" (3/4) ... [2019-11-28 20:32:33,601 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:32:33,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:32:33,604 INFO L168 Benchmark]: Toolchain (without parser) took 8427.47 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 321.9 MB). Free memory was 960.4 MB in the beginning and 986.4 MB in the end (delta: -26.0 MB). Peak memory consumption was 295.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:32:33,604 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:32:33,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:32:33,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.32 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. [2019-11-28 20:32:33,612 INFO L168 Benchmark]: Boogie Preprocessor took 36.45 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. [2019-11-28 20:32:33,613 INFO L168 Benchmark]: RCFGBuilder took 599.42 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: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:32:33,620 INFO L168 Benchmark]: BuchiAutomizer took 7045.81 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.1 MB). Free memory was 1.1 GB in the beginning and 986.4 MB in the end (delta: 86.6 MB). Peak memory consumption was 272.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:32:33,621 INFO L168 Benchmark]: Witness Printer took 6.54 ms. Allocated memory is still 1.4 GB. Free memory is still 986.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:32:33,630 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 672.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.32 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. * Boogie Preprocessor took 36.45 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 599.42 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: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7045.81 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.1 MB). Free memory was 1.1 GB in the beginning and 986.4 MB in the end (delta: 86.6 MB). Peak memory consumption was 272.7 MB. Max. memory is 11.5 GB. * Witness Printer took 6.54 ms. Allocated memory is still 1.4 GB. Free memory is still 986.4 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 - 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * nptr + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. One deterministic module has affine ranking function -1 * nptr + unknown-#length-unknown[in] and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.9s. Construction of modules took 0.3s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 64 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 38 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 162 SDtfs, 217 SDslu, 292 SDs, 0 SdLazy, 233 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital243 mio100 ax100 hnf100 lsp91 ukn67 mio100 lsp37 div100 bol100 ite100 ukn100 eq190 hnf88 smp97 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms 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...