./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrcmp_diffterm_alloca.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-15/cstrcmp_diffterm_alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 88fe3ea55db85ac6b3c7cedd013ffb32927ae976 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:39:15,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:39:15,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:39:15,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:39:15,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:39:15,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:39:15,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:39:15,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:39:15,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:39:15,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:39:15,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:39:15,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:39:15,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:39:15,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:39:15,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:39:15,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:39:15,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:39:15,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:39:15,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:39:15,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:39:15,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:39:15,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:39:15,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:39:15,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:39:15,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:39:15,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:39:15,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:39:15,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:39:15,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:39:15,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:39:15,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:39:15,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:39:15,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:39:15,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:39:15,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:39:15,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:39:15,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:39:15,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:39:15,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:39:15,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:39:15,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:39:15,622 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:39:15,640 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:39:15,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:39:15,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:39:15,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:39:15,642 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:39:15,642 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:39:15,643 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:39:15,643 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:39:15,643 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:39:15,643 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:39:15,644 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:39:15,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:39:15,644 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:39:15,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:39:15,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:39:15,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:39:15,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:39:15,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:39:15,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:39:15,646 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:39:15,646 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:39:15,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:39:15,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:39:15,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:39:15,648 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:39:15,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:39:15,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:39:15,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:39:15,649 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:39:15,650 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:39:15,650 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 -> 88fe3ea55db85ac6b3c7cedd013ffb32927ae976 [2020-07-29 01:39:15,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:39:15,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:39:15,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:39:15,972 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:39:15,973 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:39:15,974 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrcmp_diffterm_alloca.i [2020-07-29 01:39:16,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0c69d1a3/81a68aa2c3964e57af3369e147d84d3a/FLAGd2c478eb5 [2020-07-29 01:39:16,567 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:39:16,568 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrcmp_diffterm_alloca.i [2020-07-29 01:39:16,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0c69d1a3/81a68aa2c3964e57af3369e147d84d3a/FLAGd2c478eb5 [2020-07-29 01:39:16,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0c69d1a3/81a68aa2c3964e57af3369e147d84d3a [2020-07-29 01:39:16,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:39:16,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:39:16,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:39:16,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:39:16,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:39:16,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:39:16" (1/1) ... [2020-07-29 01:39:16,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68189fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:16, skipping insertion in model container [2020-07-29 01:39:16,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:39:16" (1/1) ... [2020-07-29 01:39:16,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:39:16,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:39:17,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:39:17,325 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:39:17,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:39:17,502 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:39:17,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:17 WrapperNode [2020-07-29 01:39:17,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:39:17,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:39:17,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:39:17,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:39:17,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:17" (1/1) ... [2020-07-29 01:39:17,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:17" (1/1) ... [2020-07-29 01:39:17,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:39:17,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:39:17,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:39:17,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:39:17,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:17" (1/1) ... [2020-07-29 01:39:17,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:17" (1/1) ... [2020-07-29 01:39:17,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:17" (1/1) ... [2020-07-29 01:39:17,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:17" (1/1) ... [2020-07-29 01:39:17,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:17" (1/1) ... [2020-07-29 01:39:17,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:17" (1/1) ... [2020-07-29 01:39:17,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:17" (1/1) ... [2020-07-29 01:39:17,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:39:17,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:39:17,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:39:17,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:39:17,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-29 01:39:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 01:39:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 01:39:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 01:39:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:39:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:39:18,087 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:39:18,087 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 01:39:18,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:18 BoogieIcfgContainer [2020-07-29 01:39:18,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:39:18,092 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:39:18,092 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:39:18,095 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:39:18,096 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:18,096 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:39:16" (1/3) ... [2020-07-29 01:39:18,097 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36cdfd0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:39:18, skipping insertion in model container [2020-07-29 01:39:18,098 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:18,098 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:17" (2/3) ... [2020-07-29 01:39:18,098 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36cdfd0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:39:18, skipping insertion in model container [2020-07-29 01:39:18,099 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:18,099 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:18" (3/3) ... [2020-07-29 01:39:18,101 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcmp_diffterm_alloca.i [2020-07-29 01:39:18,142 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:39:18,143 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:39:18,143 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:39:18,143 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:39:18,144 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:39:18,144 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:39:18,144 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:39:18,144 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:39:18,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 01:39:18,178 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:39:18,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:18,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:18,183 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-07-29 01:39:18,183 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:39:18,183 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:39:18,184 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 01:39:18,187 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:39:18,187 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:18,187 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:18,188 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-07-29 01:39:18,188 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:39:18,194 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet214, main_#t~nondet215, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~malloc217.base, main_#t~malloc217.offset, main_#t~ret218, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet214;havoc main_#t~nondet214;main_~length2~0 := main_#t~nondet215;havoc main_#t~nondet215; 17#L378true assume !(main_~length1~0 < 1); 5#L378-2true assume !(main_~length2~0 < 1); 14#L381-1true call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call main_#t~malloc217.base, main_#t~malloc217.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc217.base, main_#t~malloc217.offset;call write~int(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset, cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset, cstrcmp_#t~mem205, cstrcmp_#t~mem206, cstrcmp_#t~mem207, cstrcmp_#t~short208, cstrcmp_#t~mem211, cstrcmp_#t~mem212, cstrcmp_#t~ite213, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 8#L367-5true [2020-07-29 01:39:18,195 INFO L796 eck$LassoCheckResult]: Loop: 8#L367-5true call cstrcmp_#t~mem205 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short208 := 49 != cstrcmp_#t~mem205; 4#L367-1true assume cstrcmp_#t~short208;call cstrcmp_#t~mem206 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);call cstrcmp_#t~mem207 := read~int(cstrcmp_~s2.base, cstrcmp_~s2.offset, 1);cstrcmp_#t~short208 := cstrcmp_#t~mem206 == cstrcmp_#t~mem207; 6#L367-3true assume !!cstrcmp_#t~short208;havoc cstrcmp_#t~mem205;havoc cstrcmp_#t~short208;havoc cstrcmp_#t~mem207;havoc cstrcmp_#t~mem206;cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post209.base, 1 + cstrcmp_#t~post209.offset;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset;cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post210.base, 1 + cstrcmp_#t~post210.offset;havoc cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset; 8#L367-5true [2020-07-29 01:39:18,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:18,201 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2020-07-29 01:39:18,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:18,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152367472] [2020-07-29 01:39:18,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:18,324 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:18,349 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:18,372 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:18,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:18,374 INFO L82 PathProgramCache]: Analyzing trace with hash 49755, now seen corresponding path program 1 times [2020-07-29 01:39:18,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:18,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381798890] [2020-07-29 01:39:18,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:18,387 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:18,396 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:18,400 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:18,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:18,404 INFO L82 PathProgramCache]: Analyzing trace with hash 180429558, now seen corresponding path program 1 times [2020-07-29 01:39:18,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:18,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600490010] [2020-07-29 01:39:18,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:18,450 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:18,492 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:18,501 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:18,675 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2020-07-29 01:39:19,093 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 81 [2020-07-29 01:39:19,248 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-29 01:39:19,264 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:39:19,265 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:39:19,265 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:39:19,265 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:39:19,266 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:39:19,266 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:19,266 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:39:19,266 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:39:19,267 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcmp_diffterm_alloca.i_Iteration1_Lasso [2020-07-29 01:39:19,267 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:39:19,267 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:39:19,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:19,858 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2020-07-29 01:39:20,049 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-07-29 01:39:20,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:21,044 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:39:21,049 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:21,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:21,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:21,064 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:21,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:21,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:21,104 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:21,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:21,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:21,133 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:21,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:21,165 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:21,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:21,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:21,196 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:21,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:21,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:21,223 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:21,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:21,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:21,253 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:21,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:21,297 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:21,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:21,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:21,330 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:21,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:21,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:21,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:39:21,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:21,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:21,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:21,390 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:21,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:21,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:21,435 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) [2020-07-29 01:39:21,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:21,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:21,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:21,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:21,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:21,515 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) [2020-07-29 01:39:21,549 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 [2020-07-29 01:39:21,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:21,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:21,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:21,553 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:21,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:21,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:21,580 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:21,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:21,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:21,608 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:21,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:21,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:21,637 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 [2020-07-29 01:39:21,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:21,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:21,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:21,662 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) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:21,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:21,700 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) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,723 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 [2020-07-29 01:39:21,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:21,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:21,731 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) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:21,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,755 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-07-29 01:39:21,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,756 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:39:21,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:21,761 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) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:21,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:21,811 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) [2020-07-29 01:39:21,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:21,864 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 [2020-07-29 01:39:21,873 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) [2020-07-29 01:39:21,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:21,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:21,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:21,937 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:39:21,985 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 [2020-07-29 01:39:21,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:21,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:21,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:21,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:21,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:21,990 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 [2020-07-29 01:39:21,995 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) [2020-07-29 01:39:22,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:22,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:22,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:22,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:22,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:22,066 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:22,066 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:22,095 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:39:22,251 INFO L443 ModelExtractionUtils]: Simplification made 34 calls to the SMT solver. [2020-07-29 01:39:22,252 INFO L444 ModelExtractionUtils]: 11 out of 46 variables were initially zero. Simplification set additionally 30 variables to zero. 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) [2020-07-29 01:39:22,307 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:22,342 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-07-29 01:39:22,343 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:39:22,344 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcmp_~s1.offset, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_cstrcmp_~s1.offset + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [1*ULTIMATE.start_main_~length2~0 - 1*v_rep(select #length ULTIMATE.start_cstrcmp_~s2.base)_1 >= 0] [2020-07-29 01:39:22,471 INFO L297 tatePredicateManager]: 15 out of 17 supporting invariants were superfluous and have been removed [2020-07-29 01:39:22,483 INFO L393 LassoCheck]: Loop: "call cstrcmp_#t~mem205 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short208 := 49 != cstrcmp_#t~mem205;" "assume cstrcmp_#t~short208;call cstrcmp_#t~mem206 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);call cstrcmp_#t~mem207 := read~int(cstrcmp_~s2.base, cstrcmp_~s2.offset, 1);cstrcmp_#t~short208 := cstrcmp_#t~mem206 == cstrcmp_#t~mem207;" "assume !!cstrcmp_#t~short208;havoc cstrcmp_#t~mem205;havoc cstrcmp_#t~short208;havoc cstrcmp_#t~mem207;havoc cstrcmp_#t~mem206;cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post209.base, 1 + cstrcmp_#t~post209.offset;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset;cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post210.base, 1 + cstrcmp_#t~post210.offset;havoc cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset;" [2020-07-29 01:39:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:22,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:22,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-29 01:39:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:22,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:39:22,619 INFO L280 TraceCheckUtils]: 0: Hoare triple {25#unseeded} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {25#unseeded} is VALID [2020-07-29 01:39:22,620 INFO L280 TraceCheckUtils]: 1: Hoare triple {25#unseeded} havoc main_#res;havoc main_#t~nondet214, main_#t~nondet215, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~malloc217.base, main_#t~malloc217.offset, main_#t~ret218, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet214;havoc main_#t~nondet214;main_~length2~0 := main_#t~nondet215;havoc main_#t~nondet215; {25#unseeded} is VALID [2020-07-29 01:39:22,621 INFO L280 TraceCheckUtils]: 2: Hoare triple {25#unseeded} assume !(main_~length1~0 < 1); {25#unseeded} is VALID [2020-07-29 01:39:22,622 INFO L280 TraceCheckUtils]: 3: Hoare triple {25#unseeded} assume !(main_~length2~0 < 1); {25#unseeded} is VALID [2020-07-29 01:39:22,624 INFO L280 TraceCheckUtils]: 4: Hoare triple {25#unseeded} call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call main_#t~malloc217.base, main_#t~malloc217.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc217.base, main_#t~malloc217.offset;call write~int(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset, cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset, cstrcmp_#t~mem205, cstrcmp_#t~mem206, cstrcmp_#t~mem207, cstrcmp_#t~short208, cstrcmp_#t~mem211, cstrcmp_#t~mem212, cstrcmp_#t~ite213, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; {125#(and (= ULTIMATE.start_cstrcmp_~s1.offset ULTIMATE.start_cstrcmp_~s2.offset) (>= (+ ULTIMATE.start_main_~length2~0 (* (- 1) (select |#length| ULTIMATE.start_cstrcmp_~s2.base))) 0) unseeded)} is VALID [2020-07-29 01:39:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:22,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-29 01:39:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:22,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:39:22,675 INFO L280 TraceCheckUtils]: 0: Hoare triple {126#(and (>= oldRank0 (+ (* (- 1) ULTIMATE.start_cstrcmp_~s1.offset) ULTIMATE.start_main_~length2~0)) (= ULTIMATE.start_cstrcmp_~s1.offset ULTIMATE.start_cstrcmp_~s2.offset) (>= (+ ULTIMATE.start_main_~length2~0 (* (- 1) (select |#length| ULTIMATE.start_cstrcmp_~s2.base))) 0))} call cstrcmp_#t~mem205 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short208 := 49 != cstrcmp_#t~mem205; {126#(and (>= oldRank0 (+ (* (- 1) ULTIMATE.start_cstrcmp_~s1.offset) ULTIMATE.start_main_~length2~0)) (= ULTIMATE.start_cstrcmp_~s1.offset ULTIMATE.start_cstrcmp_~s2.offset) (>= (+ ULTIMATE.start_main_~length2~0 (* (- 1) (select |#length| ULTIMATE.start_cstrcmp_~s2.base))) 0))} is VALID [2020-07-29 01:39:22,679 INFO L280 TraceCheckUtils]: 1: Hoare triple {126#(and (>= oldRank0 (+ (* (- 1) ULTIMATE.start_cstrcmp_~s1.offset) ULTIMATE.start_main_~length2~0)) (= ULTIMATE.start_cstrcmp_~s1.offset ULTIMATE.start_cstrcmp_~s2.offset) (>= (+ ULTIMATE.start_main_~length2~0 (* (- 1) (select |#length| ULTIMATE.start_cstrcmp_~s2.base))) 0))} assume cstrcmp_#t~short208;call cstrcmp_#t~mem206 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);call cstrcmp_#t~mem207 := read~int(cstrcmp_~s2.base, cstrcmp_~s2.offset, 1);cstrcmp_#t~short208 := cstrcmp_#t~mem206 == cstrcmp_#t~mem207; {149#(and (<= (select |#length| ULTIMATE.start_cstrcmp_~s2.base) ULTIMATE.start_main_~length2~0) (<= ULTIMATE.start_main_~length2~0 (+ ULTIMATE.start_cstrcmp_~s1.offset oldRank0)) (<= (+ ULTIMATE.start_cstrcmp_~s2.offset 1) (select |#length| ULTIMATE.start_cstrcmp_~s2.base)) (= ULTIMATE.start_cstrcmp_~s1.offset ULTIMATE.start_cstrcmp_~s2.offset))} is VALID [2020-07-29 01:39:22,681 INFO L280 TraceCheckUtils]: 2: Hoare triple {149#(and (<= (select |#length| ULTIMATE.start_cstrcmp_~s2.base) ULTIMATE.start_main_~length2~0) (<= ULTIMATE.start_main_~length2~0 (+ ULTIMATE.start_cstrcmp_~s1.offset oldRank0)) (<= (+ ULTIMATE.start_cstrcmp_~s2.offset 1) (select |#length| ULTIMATE.start_cstrcmp_~s2.base)) (= ULTIMATE.start_cstrcmp_~s1.offset ULTIMATE.start_cstrcmp_~s2.offset))} assume !!cstrcmp_#t~short208;havoc cstrcmp_#t~mem205;havoc cstrcmp_#t~short208;havoc cstrcmp_#t~mem207;havoc cstrcmp_#t~mem206;cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post209.base, 1 + cstrcmp_#t~post209.offset;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset;cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post210.base, 1 + cstrcmp_#t~post210.offset;havoc cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset; {128#(and (or (and (> oldRank0 (+ (* (- 1) ULTIMATE.start_cstrcmp_~s1.offset) ULTIMATE.start_main_~length2~0)) (>= oldRank0 0)) unseeded) (= ULTIMATE.start_cstrcmp_~s1.offset ULTIMATE.start_cstrcmp_~s2.offset) (>= (+ ULTIMATE.start_main_~length2~0 (* (- 1) (select |#length| ULTIMATE.start_cstrcmp_~s2.base))) 0))} is VALID [2020-07-29 01:39:22,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:39:22,692 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:39:22,722 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:39:22,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:39:22,727 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,732 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-29 01:39:22,733 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 4 states. [2020-07-29 01:39:22,878 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 4 states. Result 39 states and 52 transitions. Complement of second has 7 states. [2020-07-29 01:39:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 01:39:22,878 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:39:22,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 01:39:22,881 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:39:22,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:22,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:22,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-29 01:39:22,888 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:39:22,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:22,889 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:22,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 52 transitions. [2020-07-29 01:39:22,891 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:39:22,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:22,891 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:22,893 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 15 states. [2020-07-29 01:39:22,896 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:39:22,897 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2020-07-29 01:39:22,897 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 4 states. [2020-07-29 01:39:22,901 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:39:22,901 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:39:22,902 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 39 states and 52 transitions. cyclomatic complexity: 15 [2020-07-29 01:39:22,903 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2020-07-29 01:39:22,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:39:22,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:39:22,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 39 states and 52 transitions. cyclomatic complexity: 15 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:39:22,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:39:22,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:39:22,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 39 states and 52 transitions. cyclomatic complexity: 15 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:39:22,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:39:22,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:39:22,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 39 states and 52 transitions. cyclomatic complexity: 15 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:39:22,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 39 letters. Loop has 39 letters. [2020-07-29 01:39:22,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 39 letters. Loop has 39 letters. [2020-07-29 01:39:22,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 39 states and 52 transitions. cyclomatic complexity: 15 Stem has 39 letters. Loop has 39 letters. [2020-07-29 01:39:22,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:39:22,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:39:22,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 39 states and 52 transitions. cyclomatic complexity: 15 Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:39:22,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:39:22,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:39:22,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 39 states and 52 transitions. cyclomatic complexity: 15 Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:39:22,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:39:22,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:39:22,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,910 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 39 states and 52 transitions. cyclomatic complexity: 15 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:39:22,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,910 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:39:22,911 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:39:22,911 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 39 states and 52 transitions. cyclomatic complexity: 15 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:39:22,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:39:22,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:39:22,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 39 states and 52 transitions. cyclomatic complexity: 15 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:39:22,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:39:22,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:39:22,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 39 states and 52 transitions. cyclomatic complexity: 15 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:39:22,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:39:22,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:39:22,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 39 states and 52 transitions. cyclomatic complexity: 15 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:39:22,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:39:22,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:39:22,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 39 states and 52 transitions. cyclomatic complexity: 15 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:39:22,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:39:22,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:39:22,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 39 states and 52 transitions. cyclomatic complexity: 15 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:39:22,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:39:22,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:39:22,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 39 states and 52 transitions. cyclomatic complexity: 15 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:39:22,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,918 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:39:22,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:39:22,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2020-07-29 01:39:22,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:39:22,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:39:22,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:39:22,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:22,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 52 transitions. cyclomatic complexity: 15 [2020-07-29 01:39:22,930 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:39:22,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 15 states and 20 transitions. [2020-07-29 01:39:22,936 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-07-29 01:39:22,937 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-07-29 01:39:22,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2020-07-29 01:39:22,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-29 01:39:22,938 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2020-07-29 01:39:22,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2020-07-29 01:39:22,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2020-07-29 01:39:22,971 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:39:22,972 INFO L82 GeneralOperation]: Start isEquivalent. First operand 15 states and 20 transitions. Second operand 14 states. [2020-07-29 01:39:22,973 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states and 20 transitions. Second operand 14 states. [2020-07-29 01:39:22,975 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. Second operand 14 states. [2020-07-29 01:39:22,979 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:39:22,982 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2020-07-29 01:39:22,983 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2020-07-29 01:39:22,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:39:22,984 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:39:22,984 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand 15 states and 20 transitions. [2020-07-29 01:39:22,984 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 15 states and 20 transitions. [2020-07-29 01:39:22,985 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:39:22,987 INFO L93 Difference]: Finished difference Result 16 states and 22 transitions. [2020-07-29 01:39:22,987 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2020-07-29 01:39:22,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:39:22,987 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:39:22,988 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:39:22,988 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:39:22,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-29 01:39:22,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2020-07-29 01:39:22,990 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2020-07-29 01:39:22,990 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2020-07-29 01:39:22,991 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:39:22,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2020-07-29 01:39:22,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:39:22,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:22,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:22,992 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 01:39:22,992 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:39:22,992 INFO L794 eck$LassoCheckResult]: Stem: 210#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 203#L-1 havoc main_#res;havoc main_#t~nondet214, main_#t~nondet215, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~malloc217.base, main_#t~malloc217.offset, main_#t~ret218, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet214;havoc main_#t~nondet214;main_~length2~0 := main_#t~nondet215;havoc main_#t~nondet215; 204#L378 assume !(main_~length1~0 < 1); 211#L378-2 assume !(main_~length2~0 < 1); 212#L381-1 call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call main_#t~malloc217.base, main_#t~malloc217.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc217.base, main_#t~malloc217.offset;call write~int(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset, cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset, cstrcmp_#t~mem205, cstrcmp_#t~mem206, cstrcmp_#t~mem207, cstrcmp_#t~short208, cstrcmp_#t~mem211, cstrcmp_#t~mem212, cstrcmp_#t~ite213, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 215#L367-5 call cstrcmp_#t~mem205 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short208 := 49 != cstrcmp_#t~mem205; 205#L367-1 [2020-07-29 01:39:22,992 INFO L796 eck$LassoCheckResult]: Loop: 205#L367-1 assume !cstrcmp_#t~short208; 206#L367-3 assume !!cstrcmp_#t~short208;havoc cstrcmp_#t~mem205;havoc cstrcmp_#t~short208;havoc cstrcmp_#t~mem207;havoc cstrcmp_#t~mem206;cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post209.base, 1 + cstrcmp_#t~post209.offset;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset;cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post210.base, 1 + cstrcmp_#t~post210.offset;havoc cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset; 213#L367-5 call cstrcmp_#t~mem205 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short208 := 49 != cstrcmp_#t~mem205; 205#L367-1 [2020-07-29 01:39:22,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:22,993 INFO L82 PathProgramCache]: Analyzing trace with hash 889572238, now seen corresponding path program 1 times [2020-07-29 01:39:22,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:22,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660676797] [2020-07-29 01:39:22,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:23,015 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:23,035 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:23,040 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:23,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:23,041 INFO L82 PathProgramCache]: Analyzing trace with hash 54797, now seen corresponding path program 1 times [2020-07-29 01:39:23,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:23,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894450781] [2020-07-29 01:39:23,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:23,096 INFO L280 TraceCheckUtils]: 0: Hoare triple {292#true} assume !cstrcmp_#t~short208; {294#(not |ULTIMATE.start_cstrcmp_#t~short208|)} is VALID [2020-07-29 01:39:23,098 INFO L280 TraceCheckUtils]: 1: Hoare triple {294#(not |ULTIMATE.start_cstrcmp_#t~short208|)} assume !!cstrcmp_#t~short208;havoc cstrcmp_#t~mem205;havoc cstrcmp_#t~short208;havoc cstrcmp_#t~mem207;havoc cstrcmp_#t~mem206;cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post209.base, 1 + cstrcmp_#t~post209.offset;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset;cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post210.base, 1 + cstrcmp_#t~post210.offset;havoc cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset; {293#false} is VALID [2020-07-29 01:39:23,098 INFO L280 TraceCheckUtils]: 2: Hoare triple {293#false} call cstrcmp_#t~mem205 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short208 := 49 != cstrcmp_#t~mem205; {293#false} is VALID [2020-07-29 01:39:23,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:39:23,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894450781] [2020-07-29 01:39:23,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:39:23,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-29 01:39:23,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187966065] [2020-07-29 01:39:23,104 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-29 01:39:23,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 01:39:23,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-29 01:39:23,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-29 01:39:23,108 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand 3 states. [2020-07-29 01:39:23,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:39:23,142 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2020-07-29 01:39:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-29 01:39:23,142 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:39:23,147 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:39:23,148 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2020-07-29 01:39:23,149 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:23,151 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2020-07-29 01:39:23,151 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:39:23,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:39:23,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:39:23,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:39:23,151 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:23,151 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:23,151 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:23,152 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2020-07-29 01:39:23,152 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:39:23,152 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:23,152 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:39:23,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:39:23 BoogieIcfgContainer [2020-07-29 01:39:23,160 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:39:23,160 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:39:23,161 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:39:23,161 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:39:23,162 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:18" (3/4) ... [2020-07-29 01:39:23,165 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:39:23,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:39:23,167 INFO L168 Benchmark]: Toolchain (without parser) took 6287.21 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 334.5 MB). Free memory was 957.5 MB in the beginning and 1.3 GB in the end (delta: -309.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:23,168 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:39:23,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:23,169 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.45 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:23,170 INFO L168 Benchmark]: Boogie Preprocessor took 26.93 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:23,171 INFO L168 Benchmark]: RCFGBuilder took 506.71 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:23,171 INFO L168 Benchmark]: BuchiAutomizer took 5068.51 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -186.3 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:23,172 INFO L168 Benchmark]: Witness Printer took 4.37 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:39:23,176 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 621.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.45 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.93 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 506.71 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5068.51 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -186.3 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.37 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s1 + length2 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 26 SDtfs, 17 SDslu, 16 SDs, 0 SdLazy, 14 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital209 mio100 ax100 hnf99 lsp97 ukn86 mio100 lsp47 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms 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...